]> git.ipfire.org Git - thirdparty/kea.git/commitdiff
[#1405] generated tests
authorRazvan Becheriu <razvan@isc.org>
Mon, 16 Nov 2020 19:44:42 +0000 (21:44 +0200)
committerRazvan Becheriu <razvan@isc.org>
Wed, 18 Nov 2020 13:55:24 +0000 (15:55 +0200)
src/bin/dhcp4/tests/get_config_unittest.cc
src/bin/dhcp6/tests/get_config_unittest.cc

index 8559b9cf18abacf8ced880770d674dcf398573dc..56d8a4443ee1e264f3106187dd976135be5f3ebf 100644 (file)
@@ -69,11159 +69,11155 @@ namespace {
 ///@{
 /// @brief extracted configurations
 const char* EXTRACTED_CONFIGS[] = {
-            // CONFIGURATION 0
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [ ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 1
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 2
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 3
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"max-valid-lifetime\": 5000,\n"
-        "        \"min-valid-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 4
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"id\": 0,\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.3.101 - 192.0.3.150\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.3.0/24\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.4.101 - 192.0.4.150\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.4.0/24\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.5.101 - 192.0.5.150\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.5.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 5
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"id\": 1024,\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"id\": 100,\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.3.101 - 192.0.3.150\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.3.0/24\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"id\": 1,\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.4.101 - 192.0.4.150\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.4.0/24\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"id\": 34,\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.5.101 - 192.0.5.150\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.5.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 6
-        "{\n"
-        "        \"boot-file-name\": \"bar\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"next-server\": \"1.2.3.4\",\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"server-hostname\": \"foo\",\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 7
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"boot-file-name\": \"bar\",\n"
-        "                \"next-server\": \"1.2.3.4\",\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"server-hostname\": \"foo\",\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 8
-        "{\n"
-        "        \"boot-file-name\": \"nofile\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"next-server\": \"192.0.0.1\",\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"server-hostname\": \"nohost\",\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"boot-file-name\": \"bootfile.efi\",\n"
-        "                \"next-server\": \"1.2.3.4\",\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"server-hostname\": \"some-name.example.org\",\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 9
-        "{\n"
-        "        \"echo-client-id\": false,\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 10
-        "{\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 11
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"match-client-id\": true,\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"match-client-id\": false,\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.3.1 - 192.0.3.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.3.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 12
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"match-client-id\": false,\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.3.1 - 192.0.3.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.3.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 13
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"authoritative\": true,\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"authoritative\": false,\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.3.1 - 192.0.3.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.3.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 14
-        "{\n"
-        "        \"authoritative\": true,\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"authoritative\": false,\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.3.1 - 192.0.3.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.3.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 15
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"max-valid-lifetime\": 5000,\n"
-        "        \"min-valid-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"max-valid-lifetime\": 5,\n"
-        "                \"min-valid-lifetime\": 3,\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2,\n"
-        "                \"renew-timer\": 1,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"valid-lifetime\": 4\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 16
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.0/28\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.200-192.0.2.255\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.3.0/25\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.3.128/25\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.3.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 17
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.128/28\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 18
-        "{\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"code\": 100,\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"ipv4-address\"\n"
-        "            }\n"
-        "        ]\n"
-        "    }\n",
-            // CONFIGURATION 19
-        "{\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"code\": 100,\n"
-        "                \"name\": \"foo\",\n"
-        "                \"record-types\": \"uint16, ipv4-address, ipv6-address, string\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"record\"\n"
-        "            }\n"
-        "        ]\n"
-        "    }\n",
-            // CONFIGURATION 20
-        "{\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"code\": 100,\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"uint32\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"code\": 101,\n"
-        "                \"name\": \"foo-2\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"ipv4-address\"\n"
-        "            }\n"
-        "        ]\n"
-        "    }\n",
-            // CONFIGURATION 21
-        "{\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"array\": true,\n"
-        "                \"code\": 100,\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"uint32\"\n"
-        "            }\n"
-        "        ]\n"
-        "    }\n",
-            // CONFIGURATION 22
-        "{\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"code\": 100,\n"
-        "                \"encapsulate\": \"sub-opts-space\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"uint32\"\n"
-        "            }\n"
-        "        ]\n"
-        "    }\n",
-            // CONFIGURATION 23
-        "{\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"code\": 109,\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"dhcp4\",\n"
-        "                \"type\": \"string\"\n"
-        "            }\n"
-        "        ]\n"
-        "    }\n",
-            // CONFIGURATION 24
-        "{\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"code\": 170,\n"
-        "                \"name\": \"unassigned-option-170\",\n"
-        "                \"space\": \"dhcp4\",\n"
-        "                \"type\": \"string\"\n"
-        "            }\n"
-        "        ]\n"
-        "    }\n",
-            // CONFIGURATION 25
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"csv-format\": false,\n"
-        "                \"data\": \"ABCDEF0105\",\n"
-        "                \"name\": \"dhcp-message\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"csv-format\": false,\n"
-        "                \"data\": \"01\",\n"
-        "                \"name\": \"default-ip-ttl\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 26
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"option-data\": [\n"
-        "                    {\n"
-        "                        \"csv-format\": false,\n"
-        "                        \"data\": \"ABCDEF0105\",\n"
-        "                        \"name\": \"dhcp-message\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"csv-format\": false,\n"
-        "                        \"data\": \"01\",\n"
-        "                        \"name\": \"default-ip-ttl\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 27
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"csv-format\": false,\n"
-        "                \"data\": \"ABCDEF0105\",\n"
-        "                \"name\": \"dhcp-message\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"data\": \"1234\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"isc\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"code\": 56,\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"uint32\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 28
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"data\": \"1234\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"isc\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"data\": \"192.168.2.1\",\n"
-        "                \"name\": \"foo2\",\n"
-        "                \"space\": \"isc\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"code\": 1,\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"uint32\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"code\": 2,\n"
-        "                \"name\": \"foo2\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"ipv4-address\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 29
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"data\": \"11\",\n"
-        "                \"name\": \"base-option\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"data\": \"1234\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"isc\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"data\": \"192.168.2.1\",\n"
-        "                \"name\": \"foo2\",\n"
-        "                \"space\": \"isc\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"code\": 222,\n"
-        "                \"encapsulate\": \"isc\",\n"
-        "                \"name\": \"base-option\",\n"
-        "                \"space\": \"dhcp4\",\n"
-        "                \"type\": \"uint8\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"code\": 1,\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"uint32\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"code\": 2,\n"
-        "                \"name\": \"foo2\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"ipv4-address\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 3000\n"
-        "    }\n",
-            // CONFIGURATION 30
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"csv-format\": false,\n"
-        "                \"data\": \"AB\",\n"
-        "                \"name\": \"dhcp-message\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"option-data\": [\n"
-        "                    {\n"
-        "                        \"csv-format\": false,\n"
-        "                        \"data\": \"ABCDEF0105\",\n"
-        "                        \"name\": \"dhcp-message\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"csv-format\": false,\n"
-        "                        \"data\": \"01\",\n"
-        "                        \"name\": \"default-ip-ttl\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 31
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"option-data\": [\n"
-        "                    {\n"
-        "                        \"csv-format\": false,\n"
-        "                        \"data\": \"0102030405060708090A\",\n"
-        "                        \"name\": \"dhcp-message\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"option-data\": [\n"
-        "                    {\n"
-        "                        \"csv-format\": false,\n"
-        "                        \"data\": \"FF\",\n"
-        "                        \"name\": \"default-ip-ttl\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.3.101 - 192.0.3.150\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.3.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 32
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [\n"
-        "                            {\n"
-        "                                \"csv-format\": false,\n"
-        "                                \"data\": \"ABCDEF0105\",\n"
-        "                                \"name\": \"dhcp-message\"\n"
-        "                            },\n"
-        "                            {\n"
-        "                                \"csv-format\": false,\n"
-        "                                \"data\": \"01\",\n"
-        "                                \"name\": \"default-ip-ttl\"\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 33
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [\n"
-        "                            {\n"
-        "                                \"csv-format\": false,\n"
-        "                                \"data\": \"ABCDEF0105\",\n"
-        "                                \"name\": \"dhcp-message\"\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"option-data\": [\n"
-        "                            {\n"
-        "                                \"csv-format\": false,\n"
-        "                                \"data\": \"01\",\n"
-        "                                \"name\": \"default-ip-ttl\"\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"pool\": \"192.0.2.200 - 192.0.2.250\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 34
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"data\": \"true, 10.0.0.3, 127.0.0.1\",\n"
-        "                \"name\": \"slp-directory-agent\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"data\": \"false, \",\n"
-        "                \"name\": \"slp-service-scope\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 35
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"data\": \"1234\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"vendor-encapsulated-options-space\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"data\": \"192.168.2.1\",\n"
-        "                \"name\": \"foo2\",\n"
-        "                \"space\": \"vendor-encapsulated-options-space\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"code\": 1,\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"vendor-encapsulated-options-space\",\n"
-        "                \"type\": \"uint32\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"code\": 2,\n"
-        "                \"name\": \"foo2\",\n"
-        "                \"space\": \"vendor-encapsulated-options-space\",\n"
-        "                \"type\": \"ipv4-address\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 36
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"csv-format\": false,\n"
-        "                \"name\": \"vendor-encapsulated-options\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"data\": \"1234\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"vendor-encapsulated-options-space\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"code\": 2,\n"
-        "                \"csv-format\": true,\n"
-        "                \"data\": \"192.168.2.1\",\n"
-        "                \"name\": \"foo2\",\n"
-        "                \"space\": \"vendor-encapsulated-options-space\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"code\": 1,\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"vendor-encapsulated-options-space\",\n"
-        "                \"type\": \"uint32\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"code\": 2,\n"
-        "                \"name\": \"foo2\",\n"
-        "                \"space\": \"vendor-encapsulated-options-space\",\n"
-        "                \"type\": \"ipv4-address\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 3000\n"
-        "    }\n",
-            // CONFIGURATION 37
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"code\": 100,\n"
-        "                \"csv-format\": false,\n"
-        "                \"data\": \"ABCDEF0105\",\n"
-        "                \"name\": \"option-one\",\n"
-        "                \"space\": \"vendor-4491\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"code\": 100,\n"
-        "                \"csv-format\": false,\n"
-        "                \"data\": \"1234\",\n"
-        "                \"name\": \"option-two\",\n"
-        "                \"space\": \"vendor-1234\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.10\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 38
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"code\": 100,\n"
-        "                \"data\": \"this is a string vendor-opt\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"vendor-4491\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"code\": 100,\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"vendor-4491\",\n"
-        "                \"type\": \"string\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 39
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"eth0\", \"eth1\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 40
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"eth0\", \"*\", \"eth1\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 41
-        "{\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": true,\n"
-        "            \"max-queue-size\": 2048,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"192.168.2.2\",\n"
-        "            \"sender-port\": 778,\n"
-        "            \"server-ip\": \"192.168.2.1\",\n"
-        "            \"server-port\": 777\n"
-        "        },\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 42
-        "{\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": true,\n"
-        "            \"generated-prefix\": \"test.prefix\",\n"
-        "            \"hostname-char-replacement\": \"x\",\n"
-        "            \"hostname-char-set\": \"[^A-Z]\",\n"
-        "            \"max-queue-size\": 2048,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"override-client-update\": true,\n"
-        "            \"override-no-update\": true,\n"
-        "            \"qualifying-suffix\": \"test.suffix.\",\n"
-        "            \"replace-client-name\": \"when-present\",\n"
-        "            \"sender-ip\": \"192.168.2.2\",\n"
-        "            \"sender-port\": 778,\n"
-        "            \"server-ip\": \"192.168.2.1\",\n"
-        "            \"server-port\": 777\n"
-        "        },\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 43
-        "{\n"
-        "        \"ddns-generated-prefix\": \"global.prefix\",\n"
-        "        \"ddns-override-client-update\": true,\n"
-        "        \"ddns-override-no-update\": true,\n"
-        "        \"ddns-qualifying-suffix\": \"global.suffix.\",\n"
-        "        \"ddns-replace-client-name\": \"always\",\n"
-        "        \"ddns-send-updates\": false,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": true,\n"
-        "            \"generated-prefix\": \"d2.prefix\",\n"
-        "            \"hostname-char-replacement\": \"z\",\n"
-        "            \"hostname-char-set\": \"[^0-9]\",\n"
-        "            \"max-queue-size\": 2048,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"override-client-update\": false,\n"
-        "            \"override-no-update\": false,\n"
-        "            \"qualifying-suffix\": \"d2.suffix.\",\n"
-        "            \"replace-client-name\": \"when-present\",\n"
-        "            \"sender-ip\": \"192.168.2.2\",\n"
-        "            \"sender-port\": 778,\n"
-        "            \"server-ip\": \"192.168.2.1\",\n"
-        "            \"server-port\": 777\n"
-        "        },\n"
-        "        \"hostname-char-replacement\": \"x\",\n"
-        "        \"hostname-char-set\": \"[^A-Z]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 44
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-address\": \"192.0.2.123\"\n"
-        "                },\n"
-        "                \"renew-timer\": 1,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"valid-lifetime\": 4\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 45
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ \"192.0.3.123\", \"192.0.3.124\" ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"valid-lifetime\": 4\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 46
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"client-class\": \"alpha\",\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"client-class\": \"beta\",\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.3.101 - 192.0.3.150\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.3.0/24\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"client-class\": \"gamma\",\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.4.101 - 192.0.4.150\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.4.0/24\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.5.101 - 192.0.5.150\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.5.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 47
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"client-class\": \"alpha\",\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"client-class\": \"beta\",\n"
-        "                        \"pool\": \"192.0.3.101 - 192.0.3.150\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"client-class\": \"gamma\",\n"
-        "                        \"pool\": \"192.0.4.101 - 192.0.4.150\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.5.101 - 192.0.5.150\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.0.0/16\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 48
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"id\": 123,\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"reservations\": [ ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"id\": 234,\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.3.101 - 192.0.3.150\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"reservations\": [\n"
-        "                    {\n"
-        "                        \"duid\": \"01:02:03:04:05:06:07:08:09:0A\",\n"
-        "                        \"hostname\": \"\",\n"
-        "                        \"ip-address\": \"192.0.3.112\",\n"
-        "                        \"option-data\": [\n"
-        "                            {\n"
-        "                                \"data\": \"192.0.3.15\",\n"
-        "                                \"name\": \"name-servers\"\n"
-        "                            },\n"
-        "                            {\n"
-        "                                \"data\": \"32\",\n"
-        "                                \"name\": \"default-ip-ttl\"\n"
-        "                            }\n"
-        "                        ]\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"hostname\": \"\",\n"
-        "                        \"hw-address\": \"01:02:03:04:05:06\",\n"
-        "                        \"ip-address\": \"192.0.3.120\",\n"
-        "                        \"option-data\": [\n"
-        "                            {\n"
-        "                                \"data\": \"192.0.3.95\",\n"
-        "                                \"name\": \"name-servers\"\n"
-        "                            },\n"
-        "                            {\n"
-        "                                \"data\": \"11\",\n"
-        "                                \"name\": \"default-ip-ttl\"\n"
-        "                            }\n"
-        "                        ]\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.3.0/24\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"id\": 542,\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.4.101 - 192.0.4.150\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"reservations\": [\n"
-        "                    {\n"
-        "                        \"duid\": \"0A:09:08:07:06:05:04:03:02:01\",\n"
-        "                        \"hostname\": \"\",\n"
-        "                        \"ip-address\": \"192.0.4.101\",\n"
-        "                        \"option-data\": [\n"
-        "                            {\n"
-        "                                \"data\": \"192.0.4.11\",\n"
-        "                                \"name\": \"name-servers\"\n"
-        "                            },\n"
-        "                            {\n"
-        "                                \"data\": \"95\",\n"
-        "                                \"name\": \"default-ip-ttl\"\n"
-        "                            }\n"
-        "                        ]\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"circuit-id\": \"060504030201\",\n"
-        "                        \"hostname\": \"\",\n"
-        "                        \"ip-address\": \"192.0.4.102\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"client-id\": \"05:01:02:03:04:05:06\",\n"
-        "                        \"hostname\": \"\",\n"
-        "                        \"ip-address\": \"192.0.4.103\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.4.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 49
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"code\": 100,\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"uint32\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"id\": 234,\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.3.101 - 192.0.3.150\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"reservations\": [\n"
-        "                    {\n"
-        "                        \"duid\": \"01:02:03:04:05:06:07:08:09:0A\",\n"
-        "                        \"ip-address\": \"192.0.3.112\",\n"
-        "                        \"option-data\": [\n"
-        "                            {\n"
-        "                                \"data\": \"123\",\n"
-        "                                \"name\": \"foo\",\n"
-        "                                \"space\": \"isc\"\n"
-        "                            }\n"
-        "                        ]\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.3.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 50
-        "{\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.1.0/24\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"reservations-global\": false,\n"
-        "                \"reservations-in-subnet\": true,\n"
-        "                \"reservations-out-of-pool\": false,\n"
-        "                \"subnet\": \"192.0.1.0/24\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.0/24\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"reservations-global\": false,\n"
-        "                \"reservations-in-subnet\": true,\n"
-        "                \"reservations-out-of-pool\": true,\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.3.0/24\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"reservations-global\": false,\n"
-        "                \"reservations-in-subnet\": false,\n"
-        "                \"reservations-out-of-pool\": false,\n"
-        "                \"subnet\": \"192.0.3.0/24\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.4.0/24\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"reservations-global\": true,\n"
-        "                \"reservations-in-subnet\": false,\n"
-        "                \"reservations-out-of-pool\": false,\n"
-        "                \"subnet\": \"192.0.4.0/24\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.5.0/24\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.5.0/24\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.6.0/24\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"reservations-global\": true,\n"
-        "                \"reservations-in-subnet\": true,\n"
-        "                \"reservations-out-of-pool\": false,\n"
-        "                \"subnet\": \"192.0.6.0/24\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.7.0/24\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"reservations-global\": true,\n"
-        "                \"reservations-in-subnet\": true,\n"
-        "                \"reservations-out-of-pool\": true,\n"
-        "                \"subnet\": \"192.0.7.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 51
-        "{\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": true,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.0/24\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"reservations-global\": false,\n"
-        "                \"reservations-in-subnet\": true,\n"
-        "                \"reservations-out-of-pool\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.3.0/24\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.3.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 52
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"subnet4\": [ ]\n"
-        "    }\n",
-            // CONFIGURATION 53
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"subnet4\": [ ]\n"
-        "    }\n",
-            // CONFIGURATION 54
-        "{\n"
-        "        \"decline-probation-period\": 12345,\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"subnet4\": [ ]\n"
-        "    }\n",
-            // CONFIGURATION 55
-        "{\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 35,\n"
-        "            \"hold-reclaimed-time\": 1800,\n"
-        "            \"max-reclaim-leases\": 50,\n"
-        "            \"max-reclaim-time\": 100,\n"
-        "            \"reclaim-timer-wait-time\": 20,\n"
-        "            \"unwarned-reclaim-cycles\": 10\n"
-        "        },\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"subnet4\": [ ]\n"
-        "    }\n",
-            // CONFIGURATION 56
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 57
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-subnet\": \"2001:db8::123/45\",\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 58
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"ethX\",\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 59
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"ethX\",\n"
-        "                \"4o6-subnet\": \"2001:db8::543/21\",\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 60
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface-id\": \"vlan123\",\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 61
-        "{\n"
-        "        \"client-classes\": [\n"
-        "            {\n"
-        "                \"name\": \"one\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"name\": \"two\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"name\": \"three\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 62
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.0/28\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 63
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.0/28\",\n"
-        "                        \"user-context\": { }\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 64
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.0/28\",\n"
-        "                        \"user-context\": {\n"
-        "                            \"bool-param\": true,\n"
-        "                            \"integer-param\": 42,\n"
-        "                            \"string-param\": \"Sagittarius\"\n"
-        "                        }\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 65
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.0 - 192.0.2.15\",\n"
-        "                        \"user-context\": {\n"
-        "                            \"bool-param\": true,\n"
-        "                            \"integer-param\": 42,\n"
-        "                            \"string-param\": \"Sagittarius\"\n"
-        "                        }\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 66
-        "{\n"
-        "        \"hosts-databases\": [\n"
-        "            {\n"
-        "                \"name\": \"keatest1\",\n"
-        "                \"password\": \"keatest\",\n"
-        "                \"type\": \"mysql\",\n"
-        "                \"user\": \"keatest\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"name\": \"keatest2\",\n"
-        "                \"password\": \"keatest\",\n"
-        "                \"type\": \"mysql\",\n"
-        "                \"user\": \"keatest\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 67
-        "{\n"
-        "        \"client-classes\": [\n"
-        "            {\n"
-        "                \"name\": \"all\",\n"
-        "                \"test\": \"'' == ''\",\n"
-        "                \"user-context\": {\n"
-        "                    \"comment\": \"match all\"\n"
-        "                }\n"
-        "            },\n"
-        "            {\n"
-        "                \"name\": \"none\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"name\": \"both\",\n"
-        "                \"user-context\": {\n"
-        "                    \"comment\": \"a comment\",\n"
-        "                    \"version\": 1\n"
-        "                }\n"
-        "            }\n"
-        "        ],\n"
-        "        \"control-socket\": {\n"
-        "            \"socket-name\": \"/tmp/kea4-ctrl-socket\",\n"
-        "            \"socket-type\": \"unix\",\n"
-        "            \"user-context\": {\n"
-        "                \"comment\": \"Indirect comment\"\n"
-        "            }\n"
-        "        },\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"user-context\": {\n"
-        "                \"comment\": \"No dynamic DNS\"\n"
-        "            }\n"
-        "        },\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false,\n"
-        "            \"user-context\": {\n"
-        "                \"comment\": \"Use wildcard\"\n"
-        "            }\n"
-        "        },\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"csv-format\": false,\n"
-        "                \"data\": \"ABCDEF0105\",\n"
-        "                \"name\": \"dhcp-message\",\n"
-        "                \"user-context\": {\n"
-        "                    \"comment\": \"Set option value\"\n"
-        "                }\n"
-        "            }\n"
-        "        ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"code\": 100,\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"ipv4-address\",\n"
-        "                \"user-context\": {\n"
-        "                    \"comment\": \"An option definition\"\n"
-        "                }\n"
-        "            }\n"
-        "        ],\n"
-        "        \"shared-networks\": [\n"
-        "            {\n"
-        "                \"name\": \"foo\",\n"
-        "                \"subnet4\": [\n"
-        "                    {\n"
-        "                        \"id\": 100,\n"
-        "                        \"pools\": [\n"
-        "                            {\n"
-        "                                \"pool\": \"192.0.1.1-192.0.1.10\",\n"
-        "                                \"user-context\": {\n"
-        "                                    \"comment\": \"A pool\"\n"
-        "                                }\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"reservations\": [\n"
-        "                            {\n"
-        "                                \"hostname\": \"foo.example.com\",\n"
-        "                                \"hw-address\": \"AA:BB:CC:DD:EE:FF\",\n"
-        "                                \"option-data\": [\n"
-        "                                    {\n"
-        "                                        \"data\": \"example.com\",\n"
-        "                                        \"name\": \"domain-name\",\n"
-        "                                        \"user-context\": {\n"
-        "                                            \"comment\": \"An option in a reservation\"\n"
-        "                                        }\n"
-        "                                    }\n"
-        "                                ],\n"
-        "                                \"user-context\": {\n"
-        "                                    \"comment\": \"A host reservation\"\n"
-        "                                }\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"subnet\": \"192.0.1.0/24\",\n"
-        "                        \"user-context\": {\n"
-        "                            \"comment\": \"A subnet\"\n"
-        "                        }\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"user-context\": {\n"
-        "                    \"comment\": \"A shared network\"\n"
-        "                }\n"
-        "            }\n"
-        "        ],\n"
-        "        \"user-context\": {\n"
-        "            \"comment\": \"A DHCPv4 server\"\n"
-        "        }\n"
-        "    }\n",
-            // CONFIGURATION 68
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations\": [\n"
-        "            {\n"
-        "                \"duid\": \"01:02:03:04:05:06:07:08:09:0A\",\n"
-        "                \"hostname\": \"global1\",\n"
-        "                \"ip-address\": \"192.0.200.1\",\n"
-        "                \"option-data\": [\n"
-        "                    {\n"
-        "                        \"data\": \"192.0.3.15\",\n"
-        "                        \"name\": \"name-servers\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"data\": \"32\",\n"
-        "                        \"name\": \"default-ip-ttl\"\n"
-        "                    }\n"
-        "                ]\n"
-        "            },\n"
-        "            {\n"
-        "                \"hostname\": \"global2\",\n"
-        "                \"hw-address\": \"01:02:03:04:05:06\",\n"
-        "                \"option-data\": [\n"
-        "                    {\n"
-        "                        \"data\": \"192.0.3.95\",\n"
-        "                        \"name\": \"name-servers\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"data\": \"11\",\n"
-        "                        \"name\": \"default-ip-ttl\"\n"
-        "                    }\n"
-        "                ]\n"
-        "            }\n"
-        "        ],\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"id\": 123,\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"reservations\": [ ],\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"id\": 542,\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.4.101 - 192.0.4.150\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.4.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 69
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"shared-networks\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"name\": \"foo\",\n"
-        "                \"subnet4\": [\n"
-        "                    {\n"
-        "                        \"calculate-tee-times\": false,\n"
-        "                        \"id\": 100,\n"
-        "                        \"pools\": [\n"
-        "                            {\n"
-        "                                \"pool\": \"192.0.1.1-192.0.1.10\"\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"subnet\": \"192.0.1.0/24\",\n"
-        "                        \"t1-percent\": 0.45,\n"
-        "                        \"t2-percent\": 0.65\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"id\": 200,\n"
-        "                        \"pools\": [\n"
-        "                            {\n"
-        "                                \"pool\": \"192.0.2.1-192.0.2.10\"\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"subnet\": \"192.0.2.0/24\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"t1-percent\": 0.4,\n"
-        "                \"t2-percent\": 0.75\n"
-        "            }\n"
-        "        ],\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"id\": 300,\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.3.0 - 192.0.3.15\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.3.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 70
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"store-extended-info\": true,\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.3.1 - 192.0.3.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.3.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 71
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"store-extended-info\": true,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"192.0.3.1 - 192.0.3.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"192.0.3.0/24\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 72
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"statistic-default-sample-age\": 5,\n"
-        "        \"statistic-default-sample-count\": 10,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 73
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"subnet4\": [ ]\n"
-        "    }\n",
-            // CONFIGURATION 74
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": true,\n"
-        "            \"packet-queue-size\": 1024,\n"
-        "            \"thread-pool-size\": 48\n"
-        "        },\n"
-        "        \"subnet4\": [ ]\n"
-        "    }\n"
+    // CONFIGURATION 0
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [ ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 1
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 2
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 3
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"max-valid-lifetime\": 5000,\n"
+"        \"min-valid-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 4
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            },\n"
+"            {\n"
+"                \"id\": 0,\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.3.101 - 192.0.3.150\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.3.0/24\"\n"
+"            },\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.4.101 - 192.0.4.150\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.4.0/24\"\n"
+"            },\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.5.101 - 192.0.5.150\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.5.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 5
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"id\": 1024,\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            },\n"
+"            {\n"
+"                \"id\": 100,\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.3.101 - 192.0.3.150\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.3.0/24\"\n"
+"            },\n"
+"            {\n"
+"                \"id\": 1,\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.4.101 - 192.0.4.150\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.4.0/24\"\n"
+"            },\n"
+"            {\n"
+"                \"id\": 34,\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.5.101 - 192.0.5.150\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.5.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 6
+"{\n"
+"        \"boot-file-name\": \"bar\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"next-server\": \"1.2.3.4\",\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"server-hostname\": \"foo\",\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 7
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"boot-file-name\": \"bar\",\n"
+"                \"next-server\": \"1.2.3.4\",\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"server-hostname\": \"foo\",\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 8
+"{\n"
+"        \"boot-file-name\": \"nofile\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"next-server\": \"192.0.0.1\",\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"server-hostname\": \"nohost\",\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"boot-file-name\": \"bootfile.efi\",\n"
+"                \"next-server\": \"1.2.3.4\",\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"server-hostname\": \"some-name.example.org\",\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 9
+"{\n"
+"        \"echo-client-id\": false,\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 10
+"{\n"
+"        \"echo-client-id\": true,\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 11
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"match-client-id\": true,\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            },\n"
+"            {\n"
+"                \"match-client-id\": false,\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.3.1 - 192.0.3.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.3.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 12
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"match-client-id\": false,\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            },\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.3.1 - 192.0.3.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.3.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 13
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"authoritative\": true,\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            },\n"
+"            {\n"
+"                \"authoritative\": false,\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.3.1 - 192.0.3.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.3.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 14
+"{\n"
+"        \"authoritative\": true,\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"authoritative\": false,\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            },\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.3.1 - 192.0.3.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.3.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 15
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"max-valid-lifetime\": 5000,\n"
+"        \"min-valid-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"max-valid-lifetime\": 5,\n"
+"                \"min-valid-lifetime\": 3,\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2,\n"
+"                \"renew-timer\": 1,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"valid-lifetime\": 4\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 16
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.0/28\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.200-192.0.2.255\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            },\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.3.0/25\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"pool\": \"192.0.3.128/25\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.3.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 17
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.128/28\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 18
+"{\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"code\": 100,\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"ipv4-address\"\n"
+"            }\n"
+"        ]\n"
+"    }\n",
+    // CONFIGURATION 19
+"{\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"code\": 100,\n"
+"                \"name\": \"foo\",\n"
+"                \"record-types\": \"uint16, ipv4-address, ipv6-address, string\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"record\"\n"
+"            }\n"
+"        ]\n"
+"    }\n",
+    // CONFIGURATION 20
+"{\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"code\": 100,\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"uint32\"\n"
+"            },\n"
+"            {\n"
+"                \"code\": 101,\n"
+"                \"name\": \"foo-2\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"ipv4-address\"\n"
+"            }\n"
+"        ]\n"
+"    }\n",
+    // CONFIGURATION 21
+"{\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"array\": true,\n"
+"                \"code\": 100,\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"uint32\"\n"
+"            }\n"
+"        ]\n"
+"    }\n",
+    // CONFIGURATION 22
+"{\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"code\": 100,\n"
+"                \"encapsulate\": \"sub-opts-space\",\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"uint32\"\n"
+"            }\n"
+"        ]\n"
+"    }\n",
+    // CONFIGURATION 23
+"{\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"code\": 109,\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"dhcp4\",\n"
+"                \"type\": \"string\"\n"
+"            }\n"
+"        ]\n"
+"    }\n",
+    // CONFIGURATION 24
+"{\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"code\": 170,\n"
+"                \"name\": \"unassigned-option-170\",\n"
+"                \"space\": \"dhcp4\",\n"
+"                \"type\": \"string\"\n"
+"            }\n"
+"        ]\n"
+"    }\n",
+    // CONFIGURATION 25
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"csv-format\": false,\n"
+"                \"data\": \"ABCDEF0105\",\n"
+"                \"name\": \"dhcp-message\"\n"
+"            },\n"
+"            {\n"
+"                \"csv-format\": false,\n"
+"                \"data\": \"01\",\n"
+"                \"name\": \"default-ip-ttl\"\n"
+"            }\n"
+"        ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 26
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"option-data\": [\n"
+"                    {\n"
+"                        \"csv-format\": false,\n"
+"                        \"data\": \"ABCDEF0105\",\n"
+"                        \"name\": \"dhcp-message\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"csv-format\": false,\n"
+"                        \"data\": \"01\",\n"
+"                        \"name\": \"default-ip-ttl\"\n"
+"                    }\n"
+"                ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 27
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"csv-format\": false,\n"
+"                \"data\": \"ABCDEF0105\",\n"
+"                \"name\": \"dhcp-message\"\n"
+"            },\n"
+"            {\n"
+"                \"data\": \"1234\",\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"isc\"\n"
+"            }\n"
+"        ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"code\": 56,\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"uint32\"\n"
+"            }\n"
+"        ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 28
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"data\": \"1234\",\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"isc\"\n"
+"            },\n"
+"            {\n"
+"                \"data\": \"192.168.2.1\",\n"
+"                \"name\": \"foo2\",\n"
+"                \"space\": \"isc\"\n"
+"            }\n"
+"        ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"code\": 1,\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"uint32\"\n"
+"            },\n"
+"            {\n"
+"                \"code\": 2,\n"
+"                \"name\": \"foo2\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"ipv4-address\"\n"
+"            }\n"
+"        ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 29
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"data\": \"11\",\n"
+"                \"name\": \"base-option\"\n"
+"            },\n"
+"            {\n"
+"                \"data\": \"1234\",\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"isc\"\n"
+"            },\n"
+"            {\n"
+"                \"data\": \"192.168.2.1\",\n"
+"                \"name\": \"foo2\",\n"
+"                \"space\": \"isc\"\n"
+"            }\n"
+"        ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"code\": 222,\n"
+"                \"encapsulate\": \"isc\",\n"
+"                \"name\": \"base-option\",\n"
+"                \"space\": \"dhcp4\",\n"
+"                \"type\": \"uint8\"\n"
+"            },\n"
+"            {\n"
+"                \"code\": 1,\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"uint32\"\n"
+"            },\n"
+"            {\n"
+"                \"code\": 2,\n"
+"                \"name\": \"foo2\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"ipv4-address\"\n"
+"            }\n"
+"        ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 3000\n"
+"    }\n",
+    // CONFIGURATION 30
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"csv-format\": false,\n"
+"                \"data\": \"AB\",\n"
+"                \"name\": \"dhcp-message\"\n"
+"            }\n"
+"        ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"option-data\": [\n"
+"                    {\n"
+"                        \"csv-format\": false,\n"
+"                        \"data\": \"ABCDEF0105\",\n"
+"                        \"name\": \"dhcp-message\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"csv-format\": false,\n"
+"                        \"data\": \"01\",\n"
+"                        \"name\": \"default-ip-ttl\"\n"
+"                    }\n"
+"                ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 31
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"option-data\": [\n"
+"                    {\n"
+"                        \"csv-format\": false,\n"
+"                        \"data\": \"0102030405060708090A\",\n"
+"                        \"name\": \"dhcp-message\"\n"
+"                    }\n"
+"                ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            },\n"
+"            {\n"
+"                \"option-data\": [\n"
+"                    {\n"
+"                        \"csv-format\": false,\n"
+"                        \"data\": \"FF\",\n"
+"                        \"name\": \"default-ip-ttl\"\n"
+"                    }\n"
+"                ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.3.101 - 192.0.3.150\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.3.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 32
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [\n"
+"                            {\n"
+"                                \"csv-format\": false,\n"
+"                                \"data\": \"ABCDEF0105\",\n"
+"                                \"name\": \"dhcp-message\"\n"
+"                            },\n"
+"                            {\n"
+"                                \"csv-format\": false,\n"
+"                                \"data\": \"01\",\n"
+"                                \"name\": \"default-ip-ttl\"\n"
+"                            }\n"
+"                        ],\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 33
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [\n"
+"                            {\n"
+"                                \"csv-format\": false,\n"
+"                                \"data\": \"ABCDEF0105\",\n"
+"                                \"name\": \"dhcp-message\"\n"
+"                            }\n"
+"                        ],\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"option-data\": [\n"
+"                            {\n"
+"                                \"csv-format\": false,\n"
+"                                \"data\": \"01\",\n"
+"                                \"name\": \"default-ip-ttl\"\n"
+"                            }\n"
+"                        ],\n"
+"                        \"pool\": \"192.0.2.200 - 192.0.2.250\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 34
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"data\": \"true, 10.0.0.3, 127.0.0.1\",\n"
+"                \"name\": \"slp-directory-agent\"\n"
+"            },\n"
+"            {\n"
+"                \"data\": \"false, \",\n"
+"                \"name\": \"slp-service-scope\"\n"
+"            }\n"
+"        ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 35
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"data\": \"1234\",\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"vendor-encapsulated-options-space\"\n"
+"            },\n"
+"            {\n"
+"                \"data\": \"192.168.2.1\",\n"
+"                \"name\": \"foo2\",\n"
+"                \"space\": \"vendor-encapsulated-options-space\"\n"
+"            }\n"
+"        ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"code\": 1,\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"vendor-encapsulated-options-space\",\n"
+"                \"type\": \"uint32\"\n"
+"            },\n"
+"            {\n"
+"                \"code\": 2,\n"
+"                \"name\": \"foo2\",\n"
+"                \"space\": \"vendor-encapsulated-options-space\",\n"
+"                \"type\": \"ipv4-address\"\n"
+"            }\n"
+"        ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 36
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"csv-format\": false,\n"
+"                \"name\": \"vendor-encapsulated-options\"\n"
+"            },\n"
+"            {\n"
+"                \"data\": \"1234\",\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"vendor-encapsulated-options-space\"\n"
+"            },\n"
+"            {\n"
+"                \"code\": 2,\n"
+"                \"csv-format\": true,\n"
+"                \"data\": \"192.168.2.1\",\n"
+"                \"name\": \"foo2\",\n"
+"                \"space\": \"vendor-encapsulated-options-space\"\n"
+"            }\n"
+"        ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"code\": 1,\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"vendor-encapsulated-options-space\",\n"
+"                \"type\": \"uint32\"\n"
+"            },\n"
+"            {\n"
+"                \"code\": 2,\n"
+"                \"name\": \"foo2\",\n"
+"                \"space\": \"vendor-encapsulated-options-space\",\n"
+"                \"type\": \"ipv4-address\"\n"
+"            }\n"
+"        ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 3000\n"
+"    }\n",
+    // CONFIGURATION 37
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"code\": 100,\n"
+"                \"csv-format\": false,\n"
+"                \"data\": \"ABCDEF0105\",\n"
+"                \"name\": \"option-one\",\n"
+"                \"space\": \"vendor-4491\"\n"
+"            },\n"
+"            {\n"
+"                \"code\": 100,\n"
+"                \"csv-format\": false,\n"
+"                \"data\": \"1234\",\n"
+"                \"name\": \"option-two\",\n"
+"                \"space\": \"vendor-1234\"\n"
+"            }\n"
+"        ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.10\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 38
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"code\": 100,\n"
+"                \"data\": \"this is a string vendor-opt\",\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"vendor-4491\"\n"
+"            }\n"
+"        ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"code\": 100,\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"vendor-4491\",\n"
+"                \"type\": \"string\"\n"
+"            }\n"
+"        ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 39
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"eth0\", \"eth1\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 40
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"eth0\", \"*\", \"eth1\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 41
+"{\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": true,\n"
+"            \"max-queue-size\": 2048,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"192.168.2.2\",\n"
+"            \"sender-port\": 778,\n"
+"            \"server-ip\": \"192.168.2.1\",\n"
+"            \"server-port\": 777\n"
+"        },\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 42
+"{\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": true,\n"
+"            \"generated-prefix\": \"test.prefix\",\n"
+"            \"hostname-char-replacement\": \"x\",\n"
+"            \"hostname-char-set\": \"[^A-Z]\",\n"
+"            \"max-queue-size\": 2048,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"override-client-update\": true,\n"
+"            \"override-no-update\": true,\n"
+"            \"qualifying-suffix\": \"test.suffix.\",\n"
+"            \"replace-client-name\": \"when-present\",\n"
+"            \"sender-ip\": \"192.168.2.2\",\n"
+"            \"sender-port\": 778,\n"
+"            \"server-ip\": \"192.168.2.1\",\n"
+"            \"server-port\": 777\n"
+"        },\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 43
+"{\n"
+"        \"ddns-generated-prefix\": \"global.prefix\",\n"
+"        \"ddns-override-client-update\": true,\n"
+"        \"ddns-override-no-update\": true,\n"
+"        \"ddns-qualifying-suffix\": \"global.suffix.\",\n"
+"        \"ddns-replace-client-name\": \"always\",\n"
+"        \"ddns-send-updates\": false,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": true,\n"
+"            \"generated-prefix\": \"d2.prefix\",\n"
+"            \"hostname-char-replacement\": \"z\",\n"
+"            \"hostname-char-set\": \"[^0-9]\",\n"
+"            \"max-queue-size\": 2048,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"override-client-update\": false,\n"
+"            \"override-no-update\": false,\n"
+"            \"qualifying-suffix\": \"d2.suffix.\",\n"
+"            \"replace-client-name\": \"when-present\",\n"
+"            \"sender-ip\": \"192.168.2.2\",\n"
+"            \"sender-port\": 778,\n"
+"            \"server-ip\": \"192.168.2.1\",\n"
+"            \"server-port\": 777\n"
+"        },\n"
+"        \"hostname-char-replacement\": \"x\",\n"
+"        \"hostname-char-set\": \"[^A-Z]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 44
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2,\n"
+"                \"relay\": {\n"
+"                    \"ip-address\": \"192.0.2.123\"\n"
+"                },\n"
+"                \"renew-timer\": 1,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"valid-lifetime\": 4\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 45
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ \"192.0.3.123\", \"192.0.3.124\" ]\n"
+"                },\n"
+"                \"renew-timer\": 1,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"valid-lifetime\": 4\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 46
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"client-class\": \"alpha\",\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            },\n"
+"            {\n"
+"                \"client-class\": \"beta\",\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.3.101 - 192.0.3.150\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.3.0/24\"\n"
+"            },\n"
+"            {\n"
+"                \"client-class\": \"gamma\",\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.4.101 - 192.0.4.150\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.4.0/24\"\n"
+"            },\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.5.101 - 192.0.5.150\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.5.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 47
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"client-class\": \"alpha\",\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"client-class\": \"beta\",\n"
+"                        \"pool\": \"192.0.3.101 - 192.0.3.150\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"client-class\": \"gamma\",\n"
+"                        \"pool\": \"192.0.4.101 - 192.0.4.150\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"pool\": \"192.0.5.101 - 192.0.5.150\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.0.0/16\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 48
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"id\": 123,\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"reservations\": [ ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            },\n"
+"            {\n"
+"                \"id\": 234,\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.3.101 - 192.0.3.150\"\n"
+"                    }\n"
+"                ],\n"
+"                \"reservations\": [\n"
+"                    {\n"
+"                        \"duid\": \"01:02:03:04:05:06:07:08:09:0A\",\n"
+"                        \"hostname\": \"\",\n"
+"                        \"ip-address\": \"192.0.3.112\",\n"
+"                        \"option-data\": [\n"
+"                            {\n"
+"                                \"data\": \"192.0.3.15\",\n"
+"                                \"name\": \"name-servers\"\n"
+"                            },\n"
+"                            {\n"
+"                                \"data\": \"32\",\n"
+"                                \"name\": \"default-ip-ttl\"\n"
+"                            }\n"
+"                        ]\n"
+"                    },\n"
+"                    {\n"
+"                        \"hostname\": \"\",\n"
+"                        \"hw-address\": \"01:02:03:04:05:06\",\n"
+"                        \"ip-address\": \"192.0.3.120\",\n"
+"                        \"option-data\": [\n"
+"                            {\n"
+"                                \"data\": \"192.0.3.95\",\n"
+"                                \"name\": \"name-servers\"\n"
+"                            },\n"
+"                            {\n"
+"                                \"data\": \"11\",\n"
+"                                \"name\": \"default-ip-ttl\"\n"
+"                            }\n"
+"                        ]\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.3.0/24\"\n"
+"            },\n"
+"            {\n"
+"                \"id\": 542,\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.4.101 - 192.0.4.150\"\n"
+"                    }\n"
+"                ],\n"
+"                \"reservations\": [\n"
+"                    {\n"
+"                        \"duid\": \"0A:09:08:07:06:05:04:03:02:01\",\n"
+"                        \"hostname\": \"\",\n"
+"                        \"ip-address\": \"192.0.4.101\",\n"
+"                        \"option-data\": [\n"
+"                            {\n"
+"                                \"data\": \"192.0.4.11\",\n"
+"                                \"name\": \"name-servers\"\n"
+"                            },\n"
+"                            {\n"
+"                                \"data\": \"95\",\n"
+"                                \"name\": \"default-ip-ttl\"\n"
+"                            }\n"
+"                        ]\n"
+"                    },\n"
+"                    {\n"
+"                        \"circuit-id\": \"060504030201\",\n"
+"                        \"hostname\": \"\",\n"
+"                        \"ip-address\": \"192.0.4.102\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"client-id\": \"05:01:02:03:04:05:06\",\n"
+"                        \"hostname\": \"\",\n"
+"                        \"ip-address\": \"192.0.4.103\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.4.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 49
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"code\": 100,\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"uint32\"\n"
+"            }\n"
+"        ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"id\": 234,\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.3.101 - 192.0.3.150\"\n"
+"                    }\n"
+"                ],\n"
+"                \"reservations\": [\n"
+"                    {\n"
+"                        \"duid\": \"01:02:03:04:05:06:07:08:09:0A\",\n"
+"                        \"ip-address\": \"192.0.3.112\",\n"
+"                        \"option-data\": [\n"
+"                            {\n"
+"                                \"data\": \"123\",\n"
+"                                \"name\": \"foo\",\n"
+"                                \"space\": \"isc\"\n"
+"                            }\n"
+"                        ]\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.3.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 50
+"{\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.1.0/24\"\n"
+"                    }\n"
+"                ],\n"
+"                \"reservations-global\": false,\n"
+"                \"reservations-in-subnet\": true,\n"
+"                \"reservations-out-of-pool\": false,\n"
+"                \"subnet\": \"192.0.1.0/24\"\n"
+"            },\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.0/24\"\n"
+"                    }\n"
+"                ],\n"
+"                \"reservations-global\": false,\n"
+"                \"reservations-in-subnet\": true,\n"
+"                \"reservations-out-of-pool\": true,\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            },\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.3.0/24\"\n"
+"                    }\n"
+"                ],\n"
+"                \"reservations-global\": false,\n"
+"                \"reservations-in-subnet\": false,\n"
+"                \"subnet\": \"192.0.3.0/24\"\n"
+"            },\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.4.0/24\"\n"
+"                    }\n"
+"                ],\n"
+"                \"reservations-global\": true,\n"
+"                \"reservations-in-subnet\": false,\n"
+"                \"subnet\": \"192.0.4.0/24\"\n"
+"            },\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.5.0/24\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.5.0/24\"\n"
+"            },\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.6.0/24\"\n"
+"                    }\n"
+"                ],\n"
+"                \"reservations-global\": true,\n"
+"                \"reservations-in-subnet\": true,\n"
+"                \"reservations-out-of-pool\": false,\n"
+"                \"subnet\": \"192.0.6.0/24\"\n"
+"            },\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.7.0/24\"\n"
+"                    }\n"
+"                ],\n"
+"                \"reservations-global\": true,\n"
+"                \"reservations-in-subnet\": true,\n"
+"                \"reservations-out-of-pool\": true,\n"
+"                \"subnet\": \"192.0.7.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 51
+"{\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": true,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.0/24\"\n"
+"                    }\n"
+"                ],\n"
+"                \"reservations-global\": false,\n"
+"                \"reservations-in-subnet\": true,\n"
+"                \"reservations-out-of-pool\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            },\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.3.0/24\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.3.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 52
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"subnet4\": [ ]\n"
+"    }\n",
+    // CONFIGURATION 53
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"subnet4\": [ ]\n"
+"    }\n",
+    // CONFIGURATION 54
+"{\n"
+"        \"decline-probation-period\": 12345,\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"subnet4\": [ ]\n"
+"    }\n",
+    // CONFIGURATION 55
+"{\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 35,\n"
+"            \"hold-reclaimed-time\": 1800,\n"
+"            \"max-reclaim-leases\": 50,\n"
+"            \"max-reclaim-time\": 100,\n"
+"            \"reclaim-timer-wait-time\": 20,\n"
+"            \"unwarned-reclaim-cycles\": 10\n"
+"        },\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"subnet4\": [ ]\n"
+"    }\n",
+    // CONFIGURATION 56
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 57
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-subnet\": \"2001:db8::123/45\",\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 58
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"ethX\",\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 59
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"ethX\",\n"
+"                \"4o6-subnet\": \"2001:db8::543/21\",\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 60
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface-id\": \"vlan123\",\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 61
+"{\n"
+"        \"client-classes\": [\n"
+"            {\n"
+"                \"name\": \"one\"\n"
+"            },\n"
+"            {\n"
+"                \"name\": \"two\"\n"
+"            },\n"
+"            {\n"
+"                \"name\": \"three\"\n"
+"            }\n"
+"        ],\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 62
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.0/28\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 63
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.0/28\",\n"
+"                        \"user-context\": { }\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 64
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.0/28\",\n"
+"                        \"user-context\": {\n"
+"                            \"bool-param\": true,\n"
+"                            \"integer-param\": 42,\n"
+"                            \"string-param\": \"Sagittarius\"\n"
+"                        }\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 65
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.0 - 192.0.2.15\",\n"
+"                        \"user-context\": {\n"
+"                            \"bool-param\": true,\n"
+"                            \"integer-param\": 42,\n"
+"                            \"string-param\": \"Sagittarius\"\n"
+"                        }\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 66
+"{\n"
+"        \"hosts-databases\": [\n"
+"            {\n"
+"                \"name\": \"keatest1\",\n"
+"                \"password\": \"keatest\",\n"
+"                \"type\": \"mysql\",\n"
+"                \"user\": \"keatest\"\n"
+"            },\n"
+"            {\n"
+"                \"name\": \"keatest2\",\n"
+"                \"password\": \"keatest\",\n"
+"                \"type\": \"mysql\",\n"
+"                \"user\": \"keatest\"\n"
+"            }\n"
+"        ],\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 67
+"{\n"
+"        \"client-classes\": [\n"
+"            {\n"
+"                \"name\": \"all\",\n"
+"                \"test\": \"'' == ''\",\n"
+"                \"user-context\": {\n"
+"                    \"comment\": \"match all\"\n"
+"                }\n"
+"            },\n"
+"            {\n"
+"                \"name\": \"none\"\n"
+"            },\n"
+"            {\n"
+"                \"name\": \"both\",\n"
+"                \"user-context\": {\n"
+"                    \"comment\": \"a comment\",\n"
+"                    \"version\": 1\n"
+"                }\n"
+"            }\n"
+"        ],\n"
+"        \"control-socket\": {\n"
+"            \"socket-name\": \"/tmp/kea4-ctrl-socket\",\n"
+"            \"socket-type\": \"unix\",\n"
+"            \"user-context\": {\n"
+"                \"comment\": \"Indirect comment\"\n"
+"            }\n"
+"        },\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"user-context\": {\n"
+"                \"comment\": \"No dynamic DNS\"\n"
+"            }\n"
+"        },\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false,\n"
+"            \"user-context\": {\n"
+"                \"comment\": \"Use wildcard\"\n"
+"            }\n"
+"        },\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"csv-format\": false,\n"
+"                \"data\": \"ABCDEF0105\",\n"
+"                \"name\": \"dhcp-message\",\n"
+"                \"user-context\": {\n"
+"                    \"comment\": \"Set option value\"\n"
+"                }\n"
+"            }\n"
+"        ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"code\": 100,\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"ipv4-address\",\n"
+"                \"user-context\": {\n"
+"                    \"comment\": \"An option definition\"\n"
+"                }\n"
+"            }\n"
+"        ],\n"
+"        \"shared-networks\": [\n"
+"            {\n"
+"                \"name\": \"foo\",\n"
+"                \"subnet4\": [\n"
+"                    {\n"
+"                        \"id\": 100,\n"
+"                        \"pools\": [\n"
+"                            {\n"
+"                                \"pool\": \"192.0.1.1-192.0.1.10\",\n"
+"                                \"user-context\": {\n"
+"                                    \"comment\": \"A pool\"\n"
+"                                }\n"
+"                            }\n"
+"                        ],\n"
+"                        \"reservations\": [\n"
+"                            {\n"
+"                                \"hostname\": \"foo.example.com\",\n"
+"                                \"hw-address\": \"AA:BB:CC:DD:EE:FF\",\n"
+"                                \"option-data\": [\n"
+"                                    {\n"
+"                                        \"data\": \"example.com\",\n"
+"                                        \"name\": \"domain-name\",\n"
+"                                        \"user-context\": {\n"
+"                                            \"comment\": \"An option in a reservation\"\n"
+"                                        }\n"
+"                                    }\n"
+"                                ],\n"
+"                                \"user-context\": {\n"
+"                                    \"comment\": \"A host reservation\"\n"
+"                                }\n"
+"                            }\n"
+"                        ],\n"
+"                        \"subnet\": \"192.0.1.0/24\",\n"
+"                        \"user-context\": {\n"
+"                            \"comment\": \"A subnet\"\n"
+"                        }\n"
+"                    }\n"
+"                ],\n"
+"                \"user-context\": {\n"
+"                    \"comment\": \"A shared network\"\n"
+"                }\n"
+"            }\n"
+"        ],\n"
+"        \"user-context\": {\n"
+"            \"comment\": \"A DHCPv4 server\"\n"
+"        }\n"
+"    }\n",
+    // CONFIGURATION 68
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations\": [\n"
+"            {\n"
+"                \"duid\": \"01:02:03:04:05:06:07:08:09:0A\",\n"
+"                \"hostname\": \"global1\",\n"
+"                \"ip-address\": \"192.0.200.1\",\n"
+"                \"option-data\": [\n"
+"                    {\n"
+"                        \"data\": \"192.0.3.15\",\n"
+"                        \"name\": \"name-servers\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"data\": \"32\",\n"
+"                        \"name\": \"default-ip-ttl\"\n"
+"                    }\n"
+"                ]\n"
+"            },\n"
+"            {\n"
+"                \"hostname\": \"global2\",\n"
+"                \"hw-address\": \"01:02:03:04:05:06\",\n"
+"                \"option-data\": [\n"
+"                    {\n"
+"                        \"data\": \"192.0.3.95\",\n"
+"                        \"name\": \"name-servers\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"data\": \"11\",\n"
+"                        \"name\": \"default-ip-ttl\"\n"
+"                    }\n"
+"                ]\n"
+"            }\n"
+"        ],\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"id\": 123,\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"reservations\": [ ],\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            },\n"
+"            {\n"
+"                \"id\": 542,\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.4.101 - 192.0.4.150\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.4.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 69
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"shared-networks\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"name\": \"foo\",\n"
+"                \"subnet4\": [\n"
+"                    {\n"
+"                        \"calculate-tee-times\": false,\n"
+"                        \"id\": 100,\n"
+"                        \"pools\": [\n"
+"                            {\n"
+"                                \"pool\": \"192.0.1.1-192.0.1.10\"\n"
+"                            }\n"
+"                        ],\n"
+"                        \"subnet\": \"192.0.1.0/24\",\n"
+"                        \"t1-percent\": 0.45,\n"
+"                        \"t2-percent\": 0.65\n"
+"                    },\n"
+"                    {\n"
+"                        \"id\": 200,\n"
+"                        \"pools\": [\n"
+"                            {\n"
+"                                \"pool\": \"192.0.2.1-192.0.2.10\"\n"
+"                            }\n"
+"                        ],\n"
+"                        \"subnet\": \"192.0.2.0/24\"\n"
+"                    }\n"
+"                ],\n"
+"                \"t1-percent\": 0.4,\n"
+"                \"t2-percent\": 0.75\n"
+"            }\n"
+"        ],\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"id\": 300,\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.3.0 - 192.0.3.15\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.3.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 70
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"store-extended-info\": true,\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            },\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.3.1 - 192.0.3.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.3.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 71
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"store-extended-info\": true,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.2.1 - 192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\"\n"
+"            },\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"192.0.3.1 - 192.0.3.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"192.0.3.0/24\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 72
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"statistic-default-sample-age\": 5,\n"
+"        \"statistic-default-sample-count\": 10,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 73
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"subnet4\": [ ]\n"
+"    }\n",
+    // CONFIGURATION 74
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": true,\n"
+"            \"packet-queue-size\": 1024,\n"
+"            \"thread-pool-size\": 48\n"
+"        },\n"
+"        \"subnet4\": [ ]\n"
+"    }\n"
 };
 
 /// @brief unparsed configurations
 const char* UNPARSED_CONFIGS[] = {
-            // CONFIGURATION 0
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 1
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 2
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 3
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"max-valid-lifetime\": 5000,\n"
-        "        \"min-valid-lifetime\": 3000,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"max-valid-lifetime\": 5000,\n"
-        "                \"min-valid-lifetime\": 3000,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 4
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 2,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.3.101-192.0.3.150\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.3.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 3,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.4.101-192.0.4.150\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.4.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 4,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.5.101-192.0.5.150\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.5.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 5
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.4.101-192.0.4.150\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.4.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 34,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.5.101-192.0.5.150\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.5.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 100,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.3.101-192.0.3.150\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.3.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1024,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 6
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"bar\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"1.2.3.4\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"foo\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 7
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"boot-file-name\": \"bar\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"next-server\": \"1.2.3.4\",\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"server-hostname\": \"foo\",\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 8
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"nofile\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"192.0.0.1\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"nohost\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"boot-file-name\": \"bootfile.efi\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"next-server\": \"1.2.3.4\",\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"server-hostname\": \"some-name.example.org\",\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 9
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": false,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 10
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 11
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"match-client-id\": true,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 2,\n"
-        "                \"match-client-id\": false,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.3.1-192.0.3.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.3.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 12
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"match-client-id\": false,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 2,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.3.1-192.0.3.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.3.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 13
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"authoritative\": true,\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"authoritative\": false,\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 2,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.3.1-192.0.3.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.3.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 14
-        "{\n"
-        "        \"authoritative\": true,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"authoritative\": false,\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 2,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.3.1-192.0.3.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.3.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 15
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"max-valid-lifetime\": 5000,\n"
-        "        \"min-valid-lifetime\": 3000,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"max-valid-lifetime\": 5,\n"
-        "                \"min-valid-lifetime\": 3,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 16
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.0/28\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.200-192.0.2.255\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 2,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.3.0/25\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.3.128/25\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.3.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 17
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.128/28\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 18
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"array\": false,\n"
-        "                \"code\": 100,\n"
-        "                \"encapsulate\": \"\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"record-types\": \"\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"ipv4-address\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 7200\n"
-        "    }\n",
-            // CONFIGURATION 19
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"array\": false,\n"
-        "                \"code\": 100,\n"
-        "                \"encapsulate\": \"\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"record-types\": \"uint16, ipv4-address, ipv6-address, string\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"record\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 7200\n"
-        "    }\n",
-            // CONFIGURATION 20
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"array\": false,\n"
-        "                \"code\": 100,\n"
-        "                \"encapsulate\": \"\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"record-types\": \"\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"uint32\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"array\": false,\n"
-        "                \"code\": 101,\n"
-        "                \"encapsulate\": \"\",\n"
-        "                \"name\": \"foo-2\",\n"
-        "                \"record-types\": \"\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"ipv4-address\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 7200\n"
-        "    }\n",
-            // CONFIGURATION 21
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"array\": true,\n"
-        "                \"code\": 100,\n"
-        "                \"encapsulate\": \"\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"record-types\": \"\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"uint32\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 7200\n"
-        "    }\n",
-            // CONFIGURATION 22
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"array\": false,\n"
-        "                \"code\": 100,\n"
-        "                \"encapsulate\": \"sub-opts-space\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"record-types\": \"\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"uint32\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 7200\n"
-        "    }\n",
-            // CONFIGURATION 23
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"array\": false,\n"
-        "                \"code\": 109,\n"
-        "                \"encapsulate\": \"\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"record-types\": \"\",\n"
-        "                \"space\": \"dhcp4\",\n"
-        "                \"type\": \"string\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 7200\n"
-        "    }\n",
-            // CONFIGURATION 24
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"array\": false,\n"
-        "                \"code\": 170,\n"
-        "                \"encapsulate\": \"\",\n"
-        "                \"name\": \"unassigned-option-170\",\n"
-        "                \"record-types\": \"\",\n"
-        "                \"space\": \"dhcp4\",\n"
-        "                \"type\": \"string\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 7200\n"
-        "    }\n",
-            // CONFIGURATION 25
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"always-send\": false,\n"
-        "                \"code\": 56,\n"
-        "                \"csv-format\": false,\n"
-        "                \"data\": \"ABCDEF0105\",\n"
-        "                \"name\": \"dhcp-message\",\n"
-        "                \"space\": \"dhcp4\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"always-send\": false,\n"
-        "                \"code\": 23,\n"
-        "                \"csv-format\": false,\n"
-        "                \"data\": \"01\",\n"
-        "                \"name\": \"default-ip-ttl\",\n"
-        "                \"space\": \"dhcp4\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 26
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [\n"
-        "                    {\n"
-        "                        \"always-send\": false,\n"
-        "                        \"code\": 56,\n"
-        "                        \"csv-format\": false,\n"
-        "                        \"data\": \"ABCDEF0105\",\n"
-        "                        \"name\": \"dhcp-message\",\n"
-        "                        \"space\": \"dhcp4\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"always-send\": false,\n"
-        "                        \"code\": 23,\n"
-        "                        \"csv-format\": false,\n"
-        "                        \"data\": \"01\",\n"
-        "                        \"name\": \"default-ip-ttl\",\n"
-        "                        \"space\": \"dhcp4\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 27
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"always-send\": false,\n"
-        "                \"code\": 56,\n"
-        "                \"csv-format\": false,\n"
-        "                \"data\": \"ABCDEF0105\",\n"
-        "                \"name\": \"dhcp-message\",\n"
-        "                \"space\": \"dhcp4\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"always-send\": false,\n"
-        "                \"code\": 56,\n"
-        "                \"csv-format\": true,\n"
-        "                \"data\": \"1234\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"isc\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"array\": false,\n"
-        "                \"code\": 56,\n"
-        "                \"encapsulate\": \"\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"record-types\": \"\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"uint32\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 28
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"always-send\": false,\n"
-        "                \"code\": 1,\n"
-        "                \"csv-format\": true,\n"
-        "                \"data\": \"1234\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"isc\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"always-send\": false,\n"
-        "                \"code\": 2,\n"
-        "                \"csv-format\": true,\n"
-        "                \"data\": \"192.168.2.1\",\n"
-        "                \"name\": \"foo2\",\n"
-        "                \"space\": \"isc\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"array\": false,\n"
-        "                \"code\": 1,\n"
-        "                \"encapsulate\": \"\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"record-types\": \"\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"uint32\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"array\": false,\n"
-        "                \"code\": 2,\n"
-        "                \"encapsulate\": \"\",\n"
-        "                \"name\": \"foo2\",\n"
-        "                \"record-types\": \"\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"ipv4-address\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 29
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"always-send\": false,\n"
-        "                \"code\": 222,\n"
-        "                \"csv-format\": true,\n"
-        "                \"data\": \"11\",\n"
-        "                \"name\": \"base-option\",\n"
-        "                \"space\": \"dhcp4\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"always-send\": false,\n"
-        "                \"code\": 1,\n"
-        "                \"csv-format\": true,\n"
-        "                \"data\": \"1234\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"isc\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"always-send\": false,\n"
-        "                \"code\": 2,\n"
-        "                \"csv-format\": true,\n"
-        "                \"data\": \"192.168.2.1\",\n"
-        "                \"name\": \"foo2\",\n"
-        "                \"space\": \"isc\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"array\": false,\n"
-        "                \"code\": 222,\n"
-        "                \"encapsulate\": \"isc\",\n"
-        "                \"name\": \"base-option\",\n"
-        "                \"record-types\": \"\",\n"
-        "                \"space\": \"dhcp4\",\n"
-        "                \"type\": \"uint8\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"array\": false,\n"
-        "                \"code\": 1,\n"
-        "                \"encapsulate\": \"\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"record-types\": \"\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"uint32\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"array\": false,\n"
-        "                \"code\": 2,\n"
-        "                \"encapsulate\": \"\",\n"
-        "                \"name\": \"foo2\",\n"
-        "                \"record-types\": \"\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"ipv4-address\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 3000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 3000\n"
-        "    }\n",
-            // CONFIGURATION 30
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"always-send\": false,\n"
-        "                \"code\": 56,\n"
-        "                \"csv-format\": false,\n"
-        "                \"data\": \"AB\",\n"
-        "                \"name\": \"dhcp-message\",\n"
-        "                \"space\": \"dhcp4\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [\n"
-        "                    {\n"
-        "                        \"always-send\": false,\n"
-        "                        \"code\": 56,\n"
-        "                        \"csv-format\": false,\n"
-        "                        \"data\": \"ABCDEF0105\",\n"
-        "                        \"name\": \"dhcp-message\",\n"
-        "                        \"space\": \"dhcp4\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"always-send\": false,\n"
-        "                        \"code\": 23,\n"
-        "                        \"csv-format\": false,\n"
-        "                        \"data\": \"01\",\n"
-        "                        \"name\": \"default-ip-ttl\",\n"
-        "                        \"space\": \"dhcp4\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 31
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [\n"
-        "                    {\n"
-        "                        \"always-send\": false,\n"
-        "                        \"code\": 56,\n"
-        "                        \"csv-format\": false,\n"
-        "                        \"data\": \"0102030405060708090A\",\n"
-        "                        \"name\": \"dhcp-message\",\n"
-        "                        \"space\": \"dhcp4\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 2,\n"
-        "                \"option-data\": [\n"
-        "                    {\n"
-        "                        \"always-send\": false,\n"
-        "                        \"code\": 23,\n"
-        "                        \"csv-format\": false,\n"
-        "                        \"data\": \"FF\",\n"
-        "                        \"name\": \"default-ip-ttl\",\n"
-        "                        \"space\": \"dhcp4\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.3.101-192.0.3.150\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.3.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 32
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [\n"
-        "                            {\n"
-        "                                \"always-send\": false,\n"
-        "                                \"code\": 56,\n"
-        "                                \"csv-format\": false,\n"
-        "                                \"data\": \"ABCDEF0105\",\n"
-        "                                \"name\": \"dhcp-message\",\n"
-        "                                \"space\": \"dhcp4\"\n"
-        "                            },\n"
-        "                            {\n"
-        "                                \"always-send\": false,\n"
-        "                                \"code\": 23,\n"
-        "                                \"csv-format\": false,\n"
-        "                                \"data\": \"01\",\n"
-        "                                \"name\": \"default-ip-ttl\",\n"
-        "                                \"space\": \"dhcp4\"\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 33
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [\n"
-        "                            {\n"
-        "                                \"always-send\": false,\n"
-        "                                \"code\": 56,\n"
-        "                                \"csv-format\": false,\n"
-        "                                \"data\": \"ABCDEF0105\",\n"
-        "                                \"name\": \"dhcp-message\",\n"
-        "                                \"space\": \"dhcp4\"\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"option-data\": [\n"
-        "                            {\n"
-        "                                \"always-send\": false,\n"
-        "                                \"code\": 23,\n"
-        "                                \"csv-format\": false,\n"
-        "                                \"data\": \"01\",\n"
-        "                                \"name\": \"default-ip-ttl\",\n"
-        "                                \"space\": \"dhcp4\"\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"pool\": \"192.0.2.200-192.0.2.250\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 34
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"always-send\": false,\n"
-        "                \"code\": 78,\n"
-        "                \"csv-format\": true,\n"
-        "                \"data\": \"true, 10.0.0.3, 127.0.0.1\",\n"
-        "                \"name\": \"slp-directory-agent\",\n"
-        "                \"space\": \"dhcp4\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"always-send\": false,\n"
-        "                \"code\": 79,\n"
-        "                \"csv-format\": true,\n"
-        "                \"data\": \"false, \",\n"
-        "                \"name\": \"slp-service-scope\",\n"
-        "                \"space\": \"dhcp4\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 35
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"always-send\": false,\n"
-        "                \"code\": 1,\n"
-        "                \"csv-format\": true,\n"
-        "                \"data\": \"1234\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"vendor-encapsulated-options-space\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"always-send\": false,\n"
-        "                \"code\": 2,\n"
-        "                \"csv-format\": true,\n"
-        "                \"data\": \"192.168.2.1\",\n"
-        "                \"name\": \"foo2\",\n"
-        "                \"space\": \"vendor-encapsulated-options-space\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"array\": false,\n"
-        "                \"code\": 1,\n"
-        "                \"encapsulate\": \"\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"record-types\": \"\",\n"
-        "                \"space\": \"vendor-encapsulated-options-space\",\n"
-        "                \"type\": \"uint32\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"array\": false,\n"
-        "                \"code\": 2,\n"
-        "                \"encapsulate\": \"\",\n"
-        "                \"name\": \"foo2\",\n"
-        "                \"record-types\": \"\",\n"
-        "                \"space\": \"vendor-encapsulated-options-space\",\n"
-        "                \"type\": \"ipv4-address\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 36
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"always-send\": false,\n"
-        "                \"code\": 43,\n"
-        "                \"csv-format\": false,\n"
-        "                \"data\": \"0104000004D20204C0A80201\",\n"
-        "                \"name\": \"vendor-encapsulated-options\",\n"
-        "                \"space\": \"dhcp4\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"always-send\": false,\n"
-        "                \"code\": 1,\n"
-        "                \"csv-format\": true,\n"
-        "                \"data\": \"1234\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"vendor-encapsulated-options-space\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"always-send\": false,\n"
-        "                \"code\": 2,\n"
-        "                \"csv-format\": true,\n"
-        "                \"data\": \"192.168.2.1\",\n"
-        "                \"name\": \"foo2\",\n"
-        "                \"space\": \"vendor-encapsulated-options-space\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"array\": false,\n"
-        "                \"code\": 1,\n"
-        "                \"encapsulate\": \"\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"record-types\": \"\",\n"
-        "                \"space\": \"vendor-encapsulated-options-space\",\n"
-        "                \"type\": \"uint32\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"array\": false,\n"
-        "                \"code\": 2,\n"
-        "                \"encapsulate\": \"\",\n"
-        "                \"name\": \"foo2\",\n"
-        "                \"record-types\": \"\",\n"
-        "                \"space\": \"vendor-encapsulated-options-space\",\n"
-        "                \"type\": \"ipv4-address\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 3000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 3000\n"
-        "    }\n",
-            // CONFIGURATION 37
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"always-send\": false,\n"
-        "                \"code\": 100,\n"
-        "                \"csv-format\": false,\n"
-        "                \"data\": \"1234\",\n"
-        "                \"space\": \"vendor-1234\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"always-send\": false,\n"
-        "                \"code\": 100,\n"
-        "                \"csv-format\": false,\n"
-        "                \"data\": \"ABCDEF0105\",\n"
-        "                \"space\": \"vendor-4491\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.10\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 38
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"always-send\": false,\n"
-        "                \"code\": 100,\n"
-        "                \"csv-format\": true,\n"
-        "                \"data\": \"this is a string vendor-opt\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"vendor-4491\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"array\": false,\n"
-        "                \"code\": 100,\n"
-        "                \"encapsulate\": \"\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"record-types\": \"\",\n"
-        "                \"space\": \"vendor-4491\",\n"
-        "                \"type\": \"string\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 39
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"eth0\", \"eth1\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 40
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\", \"eth0\", \"eth1\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 41
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": true,\n"
-        "            \"max-queue-size\": 2048,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"192.168.2.2\",\n"
-        "            \"sender-port\": 778,\n"
-        "            \"server-ip\": \"192.168.2.1\",\n"
-        "            \"server-port\": 777\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 42
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"test.prefix\",\n"
-        "        \"ddns-override-client-update\": true,\n"
-        "        \"ddns-override-no-update\": true,\n"
-        "        \"ddns-qualifying-suffix\": \"test.suffix.\",\n"
-        "        \"ddns-replace-client-name\": \"when-present\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": true,\n"
-        "            \"max-queue-size\": 2048,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"192.168.2.2\",\n"
-        "            \"sender-port\": 778,\n"
-        "            \"server-ip\": \"192.168.2.1\",\n"
-        "            \"server-port\": 777\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"x\",\n"
-        "        \"hostname-char-set\": \"[^A-Z]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 43
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"global.prefix\",\n"
-        "        \"ddns-override-client-update\": true,\n"
-        "        \"ddns-override-no-update\": true,\n"
-        "        \"ddns-qualifying-suffix\": \"global.suffix.\",\n"
-        "        \"ddns-replace-client-name\": \"always\",\n"
-        "        \"ddns-send-updates\": false,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": true,\n"
-        "            \"max-queue-size\": 2048,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"192.168.2.2\",\n"
-        "            \"sender-port\": 778,\n"
-        "            \"server-ip\": \"192.168.2.1\",\n"
-        "            \"server-port\": 777\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"x\",\n"
-        "        \"hostname-char-set\": \"[^A-Z]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 44
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ \"192.0.2.123\" ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 45
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ \"192.0.3.123\", \"192.0.3.124\" ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 46
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"client-class\": \"alpha\",\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"client-class\": \"beta\",\n"
-        "                \"id\": 2,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.3.101-192.0.3.150\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.3.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"client-class\": \"gamma\",\n"
-        "                \"id\": 3,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.4.101-192.0.4.150\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.4.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 4,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.5.101-192.0.5.150\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.5.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 47
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"client-class\": \"alpha\",\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"client-class\": \"beta\",\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.3.101-192.0.3.150\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"client-class\": \"gamma\",\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.4.101-192.0.4.150\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.5.101-192.0.5.150\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.0.0/16\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 48
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 123,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 234,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.3.101-192.0.3.150\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [\n"
-        "                    {\n"
-        "                        \"boot-file-name\": \"\",\n"
-        "                        \"client-classes\": [ ],\n"
-        "                        \"hostname\": \"\",\n"
-        "                        \"hw-address\": \"01:02:03:04:05:06\",\n"
-        "                        \"ip-address\": \"192.0.3.120\",\n"
-        "                        \"next-server\": \"0.0.0.0\",\n"
-        "                        \"option-data\": [\n"
-        "                            {\n"
-        "                                \"always-send\": false,\n"
-        "                                \"code\": 5,\n"
-        "                                \"csv-format\": true,\n"
-        "                                \"data\": \"192.0.3.95\",\n"
-        "                                \"name\": \"name-servers\",\n"
-        "                                \"space\": \"dhcp4\"\n"
-        "                            },\n"
-        "                            {\n"
-        "                                \"always-send\": false,\n"
-        "                                \"code\": 23,\n"
-        "                                \"csv-format\": true,\n"
-        "                                \"data\": \"11\",\n"
-        "                                \"name\": \"default-ip-ttl\",\n"
-        "                                \"space\": \"dhcp4\"\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"server-hostname\": \"\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"boot-file-name\": \"\",\n"
-        "                        \"client-classes\": [ ],\n"
-        "                        \"duid\": \"01:02:03:04:05:06:07:08:09:0a\",\n"
-        "                        \"hostname\": \"\",\n"
-        "                        \"ip-address\": \"192.0.3.112\",\n"
-        "                        \"next-server\": \"0.0.0.0\",\n"
-        "                        \"option-data\": [\n"
-        "                            {\n"
-        "                                \"always-send\": false,\n"
-        "                                \"code\": 5,\n"
-        "                                \"csv-format\": true,\n"
-        "                                \"data\": \"192.0.3.15\",\n"
-        "                                \"name\": \"name-servers\",\n"
-        "                                \"space\": \"dhcp4\"\n"
-        "                            },\n"
-        "                            {\n"
-        "                                \"always-send\": false,\n"
-        "                                \"code\": 23,\n"
-        "                                \"csv-format\": true,\n"
-        "                                \"data\": \"32\",\n"
-        "                                \"name\": \"default-ip-ttl\",\n"
-        "                                \"space\": \"dhcp4\"\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"server-hostname\": \"\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.3.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 542,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.4.101-192.0.4.150\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [\n"
-        "                    {\n"
-        "                        \"boot-file-name\": \"\",\n"
-        "                        \"client-classes\": [ ],\n"
-        "                        \"client-id\": \"05010203040506\",\n"
-        "                        \"hostname\": \"\",\n"
-        "                        \"ip-address\": \"192.0.4.103\",\n"
-        "                        \"next-server\": \"0.0.0.0\",\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"server-hostname\": \"\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"boot-file-name\": \"\",\n"
-        "                        \"circuit-id\": \"060504030201\",\n"
-        "                        \"client-classes\": [ ],\n"
-        "                        \"hostname\": \"\",\n"
-        "                        \"ip-address\": \"192.0.4.102\",\n"
-        "                        \"next-server\": \"0.0.0.0\",\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"server-hostname\": \"\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"boot-file-name\": \"\",\n"
-        "                        \"client-classes\": [ ],\n"
-        "                        \"duid\": \"0a:09:08:07:06:05:04:03:02:01\",\n"
-        "                        \"hostname\": \"\",\n"
-        "                        \"ip-address\": \"192.0.4.101\",\n"
-        "                        \"next-server\": \"0.0.0.0\",\n"
-        "                        \"option-data\": [\n"
-        "                            {\n"
-        "                                \"always-send\": false,\n"
-        "                                \"code\": 5,\n"
-        "                                \"csv-format\": true,\n"
-        "                                \"data\": \"192.0.4.11\",\n"
-        "                                \"name\": \"name-servers\",\n"
-        "                                \"space\": \"dhcp4\"\n"
-        "                            },\n"
-        "                            {\n"
-        "                                \"always-send\": false,\n"
-        "                                \"code\": 23,\n"
-        "                                \"csv-format\": true,\n"
-        "                                \"data\": \"95\",\n"
-        "                                \"name\": \"default-ip-ttl\",\n"
-        "                                \"space\": \"dhcp4\"\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"server-hostname\": \"\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.4.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 49
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"array\": false,\n"
-        "                \"code\": 100,\n"
-        "                \"encapsulate\": \"\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"record-types\": \"\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"uint32\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 234,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.3.101-192.0.3.150\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [\n"
-        "                    {\n"
-        "                        \"boot-file-name\": \"\",\n"
-        "                        \"client-classes\": [ ],\n"
-        "                        \"duid\": \"01:02:03:04:05:06:07:08:09:0a\",\n"
-        "                        \"hostname\": \"\",\n"
-        "                        \"ip-address\": \"192.0.3.112\",\n"
-        "                        \"next-server\": \"0.0.0.0\",\n"
-        "                        \"option-data\": [\n"
-        "                            {\n"
-        "                                \"always-send\": false,\n"
-        "                                \"code\": 100,\n"
-        "                                \"csv-format\": true,\n"
-        "                                \"data\": \"123\",\n"
-        "                                \"name\": \"foo\",\n"
-        "                                \"space\": \"isc\"\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"server-hostname\": \"\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.3.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 50
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.1.0/24\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"reservations-global\": false,\n"
-        "                \"reservations-in-subnet\": true,\n"
-        "                \"reservations-out-of-pool\": false,\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.1.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 2,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.0/24\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"reservations-global\": false,\n"
-        "                \"reservations-in-subnet\": true,\n"
-        "                \"reservations-out-of-pool\": true,\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 3,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.3.0/24\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"reservations-global\": false,\n"
-        "                \"reservations-in-subnet\": false,\n"
-        "                \"reservations-out-of-pool\": false,\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.3.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 4,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.4.0/24\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"reservations-global\": true,\n"
-        "                \"reservations-in-subnet\": false,\n"
-        "                \"reservations-out-of-pool\": false,\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.4.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 5,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.5.0/24\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.5.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 6,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.6.0/24\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"reservations-global\": true,\n"
-        "                \"reservations-in-subnet\": true,\n"
-        "                \"reservations-out-of-pool\": false,\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.6.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 7,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.7.0/24\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"reservations-global\": true,\n"
-        "                \"reservations-in-subnet\": true,\n"
-        "                \"reservations-out-of-pool\": true,\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.7.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 51
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": true,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.0/24\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"reservations-global\": false,\n"
-        "                \"reservations-in-subnet\": true,\n"
-        "                \"reservations-out-of-pool\": false,\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 2,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.3.0/24\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.3.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 52
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 7200\n"
-        "    }\n",
-            // CONFIGURATION 53
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 7200\n"
-        "    }\n",
-            // CONFIGURATION 54
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 12345,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 7200\n"
-        "    }\n",
-            // CONFIGURATION 55
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 35,\n"
-        "            \"hold-reclaimed-time\": 1800,\n"
-        "            \"max-reclaim-leases\": 50,\n"
-        "            \"max-reclaim-time\": 100,\n"
-        "            \"reclaim-timer-wait-time\": 20,\n"
-        "            \"unwarned-reclaim-cycles\": 10\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 7200\n"
-        "    }\n",
-            // CONFIGURATION 56
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 57
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"2001:db8::123/45\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 58
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"ethX\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 59
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"ethX\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"2001:db8::543/21\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 60
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"vlan123\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 61
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"client-classes\": [\n"
-        "            {\n"
-        "                \"boot-file-name\": \"\",\n"
-        "                \"name\": \"one\",\n"
-        "                \"next-server\": \"0.0.0.0\",\n"
-        "                \"option-data\": [ ],\n"
-        "                \"option-def\": [ ],\n"
-        "                \"server-hostname\": \"\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"boot-file-name\": \"\",\n"
-        "                \"name\": \"two\",\n"
-        "                \"next-server\": \"0.0.0.0\",\n"
-        "                \"option-data\": [ ],\n"
-        "                \"option-def\": [ ],\n"
-        "                \"server-hostname\": \"\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"boot-file-name\": \"\",\n"
-        "                \"name\": \"three\",\n"
-        "                \"next-server\": \"0.0.0.0\",\n"
-        "                \"option-data\": [ ],\n"
-        "                \"option-def\": [ ],\n"
-        "                \"server-hostname\": \"\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 62
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.0/28\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 63
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.0/28\",\n"
-        "                        \"user-context\": { }\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 64
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.0/28\",\n"
-        "                        \"user-context\": {\n"
-        "                            \"bool-param\": true,\n"
-        "                            \"integer-param\": 42,\n"
-        "                            \"string-param\": \"Sagittarius\"\n"
-        "                        }\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 65
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.0/28\",\n"
-        "                        \"user-context\": {\n"
-        "                            \"bool-param\": true,\n"
-        "                            \"integer-param\": 42,\n"
-        "                            \"string-param\": \"Sagittarius\"\n"
-        "                        }\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 66
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"hosts-databases\": [\n"
-        "            {\n"
-        "                \"name\": \"keatest1\",\n"
-        "                \"password\": \"keatest\",\n"
-        "                \"type\": \"mysql\",\n"
-        "                \"user\": \"keatest\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"name\": \"keatest2\",\n"
-        "                \"password\": \"keatest\",\n"
-        "                \"type\": \"mysql\",\n"
-        "                \"user\": \"keatest\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 67
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"client-classes\": [\n"
-        "            {\n"
-        "                \"boot-file-name\": \"\",\n"
-        "                \"name\": \"all\",\n"
-        "                \"next-server\": \"0.0.0.0\",\n"
-        "                \"option-data\": [ ],\n"
-        "                \"option-def\": [ ],\n"
-        "                \"server-hostname\": \"\",\n"
-        "                \"test\": \"'' == ''\",\n"
-        "                \"user-context\": {\n"
-        "                    \"comment\": \"match all\"\n"
-        "                }\n"
-        "            },\n"
-        "            {\n"
-        "                \"boot-file-name\": \"\",\n"
-        "                \"name\": \"none\",\n"
-        "                \"next-server\": \"0.0.0.0\",\n"
-        "                \"option-data\": [ ],\n"
-        "                \"option-def\": [ ],\n"
-        "                \"server-hostname\": \"\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"boot-file-name\": \"\",\n"
-        "                \"name\": \"both\",\n"
-        "                \"next-server\": \"0.0.0.0\",\n"
-        "                \"option-data\": [ ],\n"
-        "                \"option-def\": [ ],\n"
-        "                \"server-hostname\": \"\",\n"
-        "                \"user-context\": {\n"
-        "                    \"comment\": \"a comment\",\n"
-        "                    \"version\": 1\n"
-        "                }\n"
-        "            }\n"
-        "        ],\n"
-        "        \"control-socket\": {\n"
-        "            \"socket-name\": \"/tmp/kea4-ctrl-socket\",\n"
-        "            \"socket-type\": \"unix\",\n"
-        "            \"user-context\": {\n"
-        "                \"comment\": \"Indirect comment\"\n"
-        "            }\n"
-        "        },\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001,\n"
-        "            \"user-context\": {\n"
-        "                \"comment\": \"No dynamic DNS\"\n"
-        "            }\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false,\n"
-        "            \"user-context\": {\n"
-        "                \"comment\": \"Use wildcard\"\n"
-        "            }\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"always-send\": false,\n"
-        "                \"code\": 56,\n"
-        "                \"csv-format\": false,\n"
-        "                \"data\": \"ABCDEF0105\",\n"
-        "                \"name\": \"dhcp-message\",\n"
-        "                \"space\": \"dhcp4\",\n"
-        "                \"user-context\": {\n"
-        "                    \"comment\": \"Set option value\"\n"
-        "                }\n"
-        "            }\n"
-        "        ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"array\": false,\n"
-        "                \"code\": 100,\n"
-        "                \"encapsulate\": \"\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"record-types\": \"\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"ipv4-address\",\n"
-        "                \"user-context\": {\n"
-        "                    \"comment\": \"An option definition\"\n"
-        "                }\n"
-        "            }\n"
-        "        ],\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"name\": \"foo\",\n"
-        "                \"option-data\": [ ],\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet4\": [\n"
-        "                    {\n"
-        "                        \"4o6-interface\": \"\",\n"
-        "                        \"4o6-interface-id\": \"\",\n"
-        "                        \"4o6-subnet\": \"\",\n"
-        "                        \"calculate-tee-times\": false,\n"
-        "                        \"id\": 100,\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pools\": [\n"
-        "                            {\n"
-        "                                \"option-data\": [ ],\n"
-        "                                \"pool\": \"192.0.1.1-192.0.1.10\",\n"
-        "                                \"user-context\": {\n"
-        "                                    \"comment\": \"A pool\"\n"
-        "                                }\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"relay\": {\n"
-        "                            \"ip-addresses\": [ ]\n"
-        "                        },\n"
-        "                        \"reservations\": [\n"
-        "                            {\n"
-        "                                \"boot-file-name\": \"\",\n"
-        "                                \"client-classes\": [ ],\n"
-        "                                \"hostname\": \"foo.example.com\",\n"
-        "                                \"hw-address\": \"aa:bb:cc:dd:ee:ff\",\n"
-        "                                \"next-server\": \"0.0.0.0\",\n"
-        "                                \"option-data\": [\n"
-        "                                    {\n"
-        "                                        \"always-send\": false,\n"
-        "                                        \"code\": 15,\n"
-        "                                        \"csv-format\": true,\n"
-        "                                        \"data\": \"example.com\",\n"
-        "                                        \"name\": \"domain-name\",\n"
-        "                                        \"space\": \"dhcp4\",\n"
-        "                                        \"user-context\": {\n"
-        "                                            \"comment\": \"An option in a reservation\"\n"
-        "                                        }\n"
-        "                                    }\n"
-        "                                ],\n"
-        "                                \"server-hostname\": \"\",\n"
-        "                                \"user-context\": {\n"
-        "                                    \"comment\": \"A host reservation\"\n"
-        "                                }\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"store-extended-info\": false,\n"
-        "                        \"subnet\": \"192.0.1.0/24\",\n"
-        "                        \"t1-percent\": 0.5,\n"
-        "                        \"t2-percent\": 0.875,\n"
-        "                        \"user-context\": {\n"
-        "                            \"comment\": \"A subnet\"\n"
-        "                        },\n"
-        "                        \"valid-lifetime\": 7200\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"user-context\": {\n"
-        "                    \"comment\": \"A shared network\"\n"
-        "                },\n"
-        "                \"valid-lifetime\": 7200\n"
-        "            }\n"
-        "        ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"user-context\": {\n"
-        "            \"comment\": \"A DHCPv4 server\"\n"
-        "        },\n"
-        "        \"valid-lifetime\": 7200\n"
-        "    }\n",
-            // CONFIGURATION 68
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations\": [\n"
-        "            {\n"
-        "                \"boot-file-name\": \"\",\n"
-        "                \"client-classes\": [ ],\n"
-        "                \"hostname\": \"global2\",\n"
-        "                \"hw-address\": \"01:02:03:04:05:06\",\n"
-        "                \"next-server\": \"0.0.0.0\",\n"
-        "                \"option-data\": [\n"
-        "                    {\n"
-        "                        \"always-send\": false,\n"
-        "                        \"code\": 5,\n"
-        "                        \"csv-format\": true,\n"
-        "                        \"data\": \"192.0.3.95\",\n"
-        "                        \"name\": \"name-servers\",\n"
-        "                        \"space\": \"dhcp4\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"always-send\": false,\n"
-        "                        \"code\": 23,\n"
-        "                        \"csv-format\": true,\n"
-        "                        \"data\": \"11\",\n"
-        "                        \"name\": \"default-ip-ttl\",\n"
-        "                        \"space\": \"dhcp4\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"server-hostname\": \"\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"boot-file-name\": \"\",\n"
-        "                \"client-classes\": [ ],\n"
-        "                \"duid\": \"01:02:03:04:05:06:07:08:09:0a\",\n"
-        "                \"hostname\": \"global1\",\n"
-        "                \"ip-address\": \"192.0.200.1\",\n"
-        "                \"next-server\": \"0.0.0.0\",\n"
-        "                \"option-data\": [\n"
-        "                    {\n"
-        "                        \"always-send\": false,\n"
-        "                        \"code\": 5,\n"
-        "                        \"csv-format\": true,\n"
-        "                        \"data\": \"192.0.3.15\",\n"
-        "                        \"name\": \"name-servers\",\n"
-        "                        \"space\": \"dhcp4\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"always-send\": false,\n"
-        "                        \"code\": 23,\n"
-        "                        \"csv-format\": true,\n"
-        "                        \"data\": \"32\",\n"
-        "                        \"name\": \"default-ip-ttl\",\n"
-        "                        \"space\": \"dhcp4\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"server-hostname\": \"\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 123,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 542,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.4.101-192.0.4.150\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.4.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 69
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"name\": \"foo\",\n"
-        "                \"option-data\": [ ],\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet4\": [\n"
-        "                    {\n"
-        "                        \"4o6-interface\": \"\",\n"
-        "                        \"4o6-interface-id\": \"\",\n"
-        "                        \"4o6-subnet\": \"\",\n"
-        "                        \"calculate-tee-times\": false,\n"
-        "                        \"id\": 100,\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pools\": [\n"
-        "                            {\n"
-        "                                \"option-data\": [ ],\n"
-        "                                \"pool\": \"192.0.1.1-192.0.1.10\"\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"relay\": {\n"
-        "                            \"ip-addresses\": [ ]\n"
-        "                        },\n"
-        "                        \"reservations\": [ ],\n"
-        "                        \"store-extended-info\": false,\n"
-        "                        \"subnet\": \"192.0.1.0/24\",\n"
-        "                        \"t1-percent\": 0.45,\n"
-        "                        \"t2-percent\": 0.65,\n"
-        "                        \"valid-lifetime\": 4000\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"4o6-interface\": \"\",\n"
-        "                        \"4o6-interface-id\": \"\",\n"
-        "                        \"4o6-subnet\": \"\",\n"
-        "                        \"calculate-tee-times\": true,\n"
-        "                        \"id\": 200,\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pools\": [\n"
-        "                            {\n"
-        "                                \"option-data\": [ ],\n"
-        "                                \"pool\": \"192.0.2.1-192.0.2.10\"\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"relay\": {\n"
-        "                            \"ip-addresses\": [ ]\n"
-        "                        },\n"
-        "                        \"reservations\": [ ],\n"
-        "                        \"store-extended-info\": false,\n"
-        "                        \"subnet\": \"192.0.2.0/24\",\n"
-        "                        \"t1-percent\": 0.4,\n"
-        "                        \"t2-percent\": 0.75,\n"
-        "                        \"valid-lifetime\": 4000\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"t1-percent\": 0.4,\n"
-        "                \"t2-percent\": 0.75,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 300,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.3.0/28\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.3.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 70
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": true,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 2,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.3.1-192.0.3.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.3.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 71
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": true,\n"
-        "        \"subnet4\": [\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"192.0.2.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"4o6-interface\": \"\",\n"
-        "                \"4o6-interface-id\": \"\",\n"
-        "                \"4o6-subnet\": \"\",\n"
-        "                \"calculate-tee-times\": false,\n"
-        "                \"id\": 2,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"192.0.3.1-192.0.3.100\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": true,\n"
-        "                \"subnet\": \"192.0.3.0/24\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.875,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 72
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 5,\n"
-        "        \"statistic-default-sample-count\": 10,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 73
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 7200\n"
-        "    }\n",
-            // CONFIGURATION 74
-        "{\n"
-        "        \"authoritative\": false,\n"
-        "        \"boot-file-name\": \"\",\n"
-        "        \"calculate-tee-times\": false,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring4\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"echo-client-id\": true,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"match-client-id\": true,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": true,\n"
-        "            \"packet-queue-size\": 1024,\n"
-        "            \"thread-pool-size\": 48\n"
-        "        },\n"
-        "        \"next-server\": \"0.0.0.0\",\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-hostname\": \"\",\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet4\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.875,\n"
-        "        \"valid-lifetime\": 7200\n"
-        "    }\n"
+    // CONFIGURATION 0
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 1
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 2
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 3
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"max-valid-lifetime\": 5000,\n"
+"        \"min-valid-lifetime\": 3000,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"max-valid-lifetime\": 5000,\n"
+"                \"min-valid-lifetime\": 3000,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 4
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 2,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.3.101-192.0.3.150\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.3.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 3,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.4.101-192.0.4.150\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.4.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 4,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.5.101-192.0.5.150\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.5.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 5
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.4.101-192.0.4.150\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.4.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 34,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.5.101-192.0.5.150\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.5.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 100,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.3.101-192.0.3.150\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.3.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1024,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 6
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"bar\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"1.2.3.4\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"foo\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 7
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"boot-file-name\": \"bar\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"next-server\": \"1.2.3.4\",\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"server-hostname\": \"foo\",\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 8
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"nofile\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"192.0.0.1\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"nohost\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"boot-file-name\": \"bootfile.efi\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"next-server\": \"1.2.3.4\",\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"server-hostname\": \"some-name.example.org\",\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 9
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": false,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 10
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 11
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"match-client-id\": true,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 2,\n"
+"                \"match-client-id\": false,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.3.1-192.0.3.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.3.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 12
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"match-client-id\": false,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 2,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.3.1-192.0.3.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.3.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 13
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"authoritative\": true,\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"authoritative\": false,\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 2,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.3.1-192.0.3.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.3.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 14
+"{\n"
+"        \"authoritative\": true,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"authoritative\": false,\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 2,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.3.1-192.0.3.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.3.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 15
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"max-valid-lifetime\": 5000,\n"
+"        \"min-valid-lifetime\": 3000,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"max-valid-lifetime\": 5,\n"
+"                \"min-valid-lifetime\": 3,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 16
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.0/28\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.200-192.0.2.255\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 2,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.3.0/25\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.3.128/25\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.3.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 17
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.128/28\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 18
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"array\": false,\n"
+"                \"code\": 100,\n"
+"                \"encapsulate\": \"\",\n"
+"                \"name\": \"foo\",\n"
+"                \"record-types\": \"\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"ipv4-address\"\n"
+"            }\n"
+"        ],\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 7200\n"
+"    }\n",
+    // CONFIGURATION 19
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"array\": false,\n"
+"                \"code\": 100,\n"
+"                \"encapsulate\": \"\",\n"
+"                \"name\": \"foo\",\n"
+"                \"record-types\": \"uint16, ipv4-address, ipv6-address, string\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"record\"\n"
+"            }\n"
+"        ],\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 7200\n"
+"    }\n",
+    // CONFIGURATION 20
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"array\": false,\n"
+"                \"code\": 100,\n"
+"                \"encapsulate\": \"\",\n"
+"                \"name\": \"foo\",\n"
+"                \"record-types\": \"\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"uint32\"\n"
+"            },\n"
+"            {\n"
+"                \"array\": false,\n"
+"                \"code\": 101,\n"
+"                \"encapsulate\": \"\",\n"
+"                \"name\": \"foo-2\",\n"
+"                \"record-types\": \"\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"ipv4-address\"\n"
+"            }\n"
+"        ],\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 7200\n"
+"    }\n",
+    // CONFIGURATION 21
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"array\": true,\n"
+"                \"code\": 100,\n"
+"                \"encapsulate\": \"\",\n"
+"                \"name\": \"foo\",\n"
+"                \"record-types\": \"\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"uint32\"\n"
+"            }\n"
+"        ],\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 7200\n"
+"    }\n",
+    // CONFIGURATION 22
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"array\": false,\n"
+"                \"code\": 100,\n"
+"                \"encapsulate\": \"sub-opts-space\",\n"
+"                \"name\": \"foo\",\n"
+"                \"record-types\": \"\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"uint32\"\n"
+"            }\n"
+"        ],\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 7200\n"
+"    }\n",
+    // CONFIGURATION 23
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"array\": false,\n"
+"                \"code\": 109,\n"
+"                \"encapsulate\": \"\",\n"
+"                \"name\": \"foo\",\n"
+"                \"record-types\": \"\",\n"
+"                \"space\": \"dhcp4\",\n"
+"                \"type\": \"string\"\n"
+"            }\n"
+"        ],\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 7200\n"
+"    }\n",
+    // CONFIGURATION 24
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"array\": false,\n"
+"                \"code\": 170,\n"
+"                \"encapsulate\": \"\",\n"
+"                \"name\": \"unassigned-option-170\",\n"
+"                \"record-types\": \"\",\n"
+"                \"space\": \"dhcp4\",\n"
+"                \"type\": \"string\"\n"
+"            }\n"
+"        ],\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 7200\n"
+"    }\n",
+    // CONFIGURATION 25
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"always-send\": false,\n"
+"                \"code\": 56,\n"
+"                \"csv-format\": false,\n"
+"                \"data\": \"ABCDEF0105\",\n"
+"                \"name\": \"dhcp-message\",\n"
+"                \"space\": \"dhcp4\"\n"
+"            },\n"
+"            {\n"
+"                \"always-send\": false,\n"
+"                \"code\": 23,\n"
+"                \"csv-format\": false,\n"
+"                \"data\": \"01\",\n"
+"                \"name\": \"default-ip-ttl\",\n"
+"                \"space\": \"dhcp4\"\n"
+"            }\n"
+"        ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 26
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [\n"
+"                    {\n"
+"                        \"always-send\": false,\n"
+"                        \"code\": 56,\n"
+"                        \"csv-format\": false,\n"
+"                        \"data\": \"ABCDEF0105\",\n"
+"                        \"name\": \"dhcp-message\",\n"
+"                        \"space\": \"dhcp4\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"always-send\": false,\n"
+"                        \"code\": 23,\n"
+"                        \"csv-format\": false,\n"
+"                        \"data\": \"01\",\n"
+"                        \"name\": \"default-ip-ttl\",\n"
+"                        \"space\": \"dhcp4\"\n"
+"                    }\n"
+"                ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 27
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"always-send\": false,\n"
+"                \"code\": 56,\n"
+"                \"csv-format\": false,\n"
+"                \"data\": \"ABCDEF0105\",\n"
+"                \"name\": \"dhcp-message\",\n"
+"                \"space\": \"dhcp4\"\n"
+"            },\n"
+"            {\n"
+"                \"always-send\": false,\n"
+"                \"code\": 56,\n"
+"                \"csv-format\": true,\n"
+"                \"data\": \"1234\",\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"isc\"\n"
+"            }\n"
+"        ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"array\": false,\n"
+"                \"code\": 56,\n"
+"                \"encapsulate\": \"\",\n"
+"                \"name\": \"foo\",\n"
+"                \"record-types\": \"\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"uint32\"\n"
+"            }\n"
+"        ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 28
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"always-send\": false,\n"
+"                \"code\": 1,\n"
+"                \"csv-format\": true,\n"
+"                \"data\": \"1234\",\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"isc\"\n"
+"            },\n"
+"            {\n"
+"                \"always-send\": false,\n"
+"                \"code\": 2,\n"
+"                \"csv-format\": true,\n"
+"                \"data\": \"192.168.2.1\",\n"
+"                \"name\": \"foo2\",\n"
+"                \"space\": \"isc\"\n"
+"            }\n"
+"        ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"array\": false,\n"
+"                \"code\": 1,\n"
+"                \"encapsulate\": \"\",\n"
+"                \"name\": \"foo\",\n"
+"                \"record-types\": \"\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"uint32\"\n"
+"            },\n"
+"            {\n"
+"                \"array\": false,\n"
+"                \"code\": 2,\n"
+"                \"encapsulate\": \"\",\n"
+"                \"name\": \"foo2\",\n"
+"                \"record-types\": \"\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"ipv4-address\"\n"
+"            }\n"
+"        ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 29
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"always-send\": false,\n"
+"                \"code\": 222,\n"
+"                \"csv-format\": true,\n"
+"                \"data\": \"11\",\n"
+"                \"name\": \"base-option\",\n"
+"                \"space\": \"dhcp4\"\n"
+"            },\n"
+"            {\n"
+"                \"always-send\": false,\n"
+"                \"code\": 1,\n"
+"                \"csv-format\": true,\n"
+"                \"data\": \"1234\",\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"isc\"\n"
+"            },\n"
+"            {\n"
+"                \"always-send\": false,\n"
+"                \"code\": 2,\n"
+"                \"csv-format\": true,\n"
+"                \"data\": \"192.168.2.1\",\n"
+"                \"name\": \"foo2\",\n"
+"                \"space\": \"isc\"\n"
+"            }\n"
+"        ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"array\": false,\n"
+"                \"code\": 222,\n"
+"                \"encapsulate\": \"isc\",\n"
+"                \"name\": \"base-option\",\n"
+"                \"record-types\": \"\",\n"
+"                \"space\": \"dhcp4\",\n"
+"                \"type\": \"uint8\"\n"
+"            },\n"
+"            {\n"
+"                \"array\": false,\n"
+"                \"code\": 1,\n"
+"                \"encapsulate\": \"\",\n"
+"                \"name\": \"foo\",\n"
+"                \"record-types\": \"\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"uint32\"\n"
+"            },\n"
+"            {\n"
+"                \"array\": false,\n"
+"                \"code\": 2,\n"
+"                \"encapsulate\": \"\",\n"
+"                \"name\": \"foo2\",\n"
+"                \"record-types\": \"\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"ipv4-address\"\n"
+"            }\n"
+"        ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 3000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 3000\n"
+"    }\n",
+    // CONFIGURATION 30
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"always-send\": false,\n"
+"                \"code\": 56,\n"
+"                \"csv-format\": false,\n"
+"                \"data\": \"AB\",\n"
+"                \"name\": \"dhcp-message\",\n"
+"                \"space\": \"dhcp4\"\n"
+"            }\n"
+"        ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [\n"
+"                    {\n"
+"                        \"always-send\": false,\n"
+"                        \"code\": 56,\n"
+"                        \"csv-format\": false,\n"
+"                        \"data\": \"ABCDEF0105\",\n"
+"                        \"name\": \"dhcp-message\",\n"
+"                        \"space\": \"dhcp4\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"always-send\": false,\n"
+"                        \"code\": 23,\n"
+"                        \"csv-format\": false,\n"
+"                        \"data\": \"01\",\n"
+"                        \"name\": \"default-ip-ttl\",\n"
+"                        \"space\": \"dhcp4\"\n"
+"                    }\n"
+"                ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 31
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [\n"
+"                    {\n"
+"                        \"always-send\": false,\n"
+"                        \"code\": 56,\n"
+"                        \"csv-format\": false,\n"
+"                        \"data\": \"0102030405060708090A\",\n"
+"                        \"name\": \"dhcp-message\",\n"
+"                        \"space\": \"dhcp4\"\n"
+"                    }\n"
+"                ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 2,\n"
+"                \"option-data\": [\n"
+"                    {\n"
+"                        \"always-send\": false,\n"
+"                        \"code\": 23,\n"
+"                        \"csv-format\": false,\n"
+"                        \"data\": \"FF\",\n"
+"                        \"name\": \"default-ip-ttl\",\n"
+"                        \"space\": \"dhcp4\"\n"
+"                    }\n"
+"                ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.3.101-192.0.3.150\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.3.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 32
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [\n"
+"                            {\n"
+"                                \"always-send\": false,\n"
+"                                \"code\": 56,\n"
+"                                \"csv-format\": false,\n"
+"                                \"data\": \"ABCDEF0105\",\n"
+"                                \"name\": \"dhcp-message\",\n"
+"                                \"space\": \"dhcp4\"\n"
+"                            },\n"
+"                            {\n"
+"                                \"always-send\": false,\n"
+"                                \"code\": 23,\n"
+"                                \"csv-format\": false,\n"
+"                                \"data\": \"01\",\n"
+"                                \"name\": \"default-ip-ttl\",\n"
+"                                \"space\": \"dhcp4\"\n"
+"                            }\n"
+"                        ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 33
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [\n"
+"                            {\n"
+"                                \"always-send\": false,\n"
+"                                \"code\": 56,\n"
+"                                \"csv-format\": false,\n"
+"                                \"data\": \"ABCDEF0105\",\n"
+"                                \"name\": \"dhcp-message\",\n"
+"                                \"space\": \"dhcp4\"\n"
+"                            }\n"
+"                        ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"option-data\": [\n"
+"                            {\n"
+"                                \"always-send\": false,\n"
+"                                \"code\": 23,\n"
+"                                \"csv-format\": false,\n"
+"                                \"data\": \"01\",\n"
+"                                \"name\": \"default-ip-ttl\",\n"
+"                                \"space\": \"dhcp4\"\n"
+"                            }\n"
+"                        ],\n"
+"                        \"pool\": \"192.0.2.200-192.0.2.250\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 34
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"always-send\": false,\n"
+"                \"code\": 78,\n"
+"                \"csv-format\": true,\n"
+"                \"data\": \"true, 10.0.0.3, 127.0.0.1\",\n"
+"                \"name\": \"slp-directory-agent\",\n"
+"                \"space\": \"dhcp4\"\n"
+"            },\n"
+"            {\n"
+"                \"always-send\": false,\n"
+"                \"code\": 79,\n"
+"                \"csv-format\": true,\n"
+"                \"data\": \"false, \",\n"
+"                \"name\": \"slp-service-scope\",\n"
+"                \"space\": \"dhcp4\"\n"
+"            }\n"
+"        ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 35
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"always-send\": false,\n"
+"                \"code\": 1,\n"
+"                \"csv-format\": true,\n"
+"                \"data\": \"1234\",\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"vendor-encapsulated-options-space\"\n"
+"            },\n"
+"            {\n"
+"                \"always-send\": false,\n"
+"                \"code\": 2,\n"
+"                \"csv-format\": true,\n"
+"                \"data\": \"192.168.2.1\",\n"
+"                \"name\": \"foo2\",\n"
+"                \"space\": \"vendor-encapsulated-options-space\"\n"
+"            }\n"
+"        ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"array\": false,\n"
+"                \"code\": 1,\n"
+"                \"encapsulate\": \"\",\n"
+"                \"name\": \"foo\",\n"
+"                \"record-types\": \"\",\n"
+"                \"space\": \"vendor-encapsulated-options-space\",\n"
+"                \"type\": \"uint32\"\n"
+"            },\n"
+"            {\n"
+"                \"array\": false,\n"
+"                \"code\": 2,\n"
+"                \"encapsulate\": \"\",\n"
+"                \"name\": \"foo2\",\n"
+"                \"record-types\": \"\",\n"
+"                \"space\": \"vendor-encapsulated-options-space\",\n"
+"                \"type\": \"ipv4-address\"\n"
+"            }\n"
+"        ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 36
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"always-send\": false,\n"
+"                \"code\": 43,\n"
+"                \"csv-format\": false,\n"
+"                \"data\": \"0104000004D20204C0A80201\",\n"
+"                \"name\": \"vendor-encapsulated-options\",\n"
+"                \"space\": \"dhcp4\"\n"
+"            },\n"
+"            {\n"
+"                \"always-send\": false,\n"
+"                \"code\": 1,\n"
+"                \"csv-format\": true,\n"
+"                \"data\": \"1234\",\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"vendor-encapsulated-options-space\"\n"
+"            },\n"
+"            {\n"
+"                \"always-send\": false,\n"
+"                \"code\": 2,\n"
+"                \"csv-format\": true,\n"
+"                \"data\": \"192.168.2.1\",\n"
+"                \"name\": \"foo2\",\n"
+"                \"space\": \"vendor-encapsulated-options-space\"\n"
+"            }\n"
+"        ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"array\": false,\n"
+"                \"code\": 1,\n"
+"                \"encapsulate\": \"\",\n"
+"                \"name\": \"foo\",\n"
+"                \"record-types\": \"\",\n"
+"                \"space\": \"vendor-encapsulated-options-space\",\n"
+"                \"type\": \"uint32\"\n"
+"            },\n"
+"            {\n"
+"                \"array\": false,\n"
+"                \"code\": 2,\n"
+"                \"encapsulate\": \"\",\n"
+"                \"name\": \"foo2\",\n"
+"                \"record-types\": \"\",\n"
+"                \"space\": \"vendor-encapsulated-options-space\",\n"
+"                \"type\": \"ipv4-address\"\n"
+"            }\n"
+"        ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 3000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 3000\n"
+"    }\n",
+    // CONFIGURATION 37
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"always-send\": false,\n"
+"                \"code\": 100,\n"
+"                \"csv-format\": false,\n"
+"                \"data\": \"1234\",\n"
+"                \"space\": \"vendor-1234\"\n"
+"            },\n"
+"            {\n"
+"                \"always-send\": false,\n"
+"                \"code\": 100,\n"
+"                \"csv-format\": false,\n"
+"                \"data\": \"ABCDEF0105\",\n"
+"                \"space\": \"vendor-4491\"\n"
+"            }\n"
+"        ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.10\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 38
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"always-send\": false,\n"
+"                \"code\": 100,\n"
+"                \"csv-format\": true,\n"
+"                \"data\": \"this is a string vendor-opt\",\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"vendor-4491\"\n"
+"            }\n"
+"        ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"array\": false,\n"
+"                \"code\": 100,\n"
+"                \"encapsulate\": \"\",\n"
+"                \"name\": \"foo\",\n"
+"                \"record-types\": \"\",\n"
+"                \"space\": \"vendor-4491\",\n"
+"                \"type\": \"string\"\n"
+"            }\n"
+"        ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 39
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"eth0\", \"eth1\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 40
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\", \"eth0\", \"eth1\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 41
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": true,\n"
+"            \"max-queue-size\": 2048,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"192.168.2.2\",\n"
+"            \"sender-port\": 778,\n"
+"            \"server-ip\": \"192.168.2.1\",\n"
+"            \"server-port\": 777\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 42
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"test.prefix\",\n"
+"        \"ddns-override-client-update\": true,\n"
+"        \"ddns-override-no-update\": true,\n"
+"        \"ddns-qualifying-suffix\": \"test.suffix.\",\n"
+"        \"ddns-replace-client-name\": \"when-present\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": true,\n"
+"            \"max-queue-size\": 2048,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"192.168.2.2\",\n"
+"            \"sender-port\": 778,\n"
+"            \"server-ip\": \"192.168.2.1\",\n"
+"            \"server-port\": 777\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"x\",\n"
+"        \"hostname-char-set\": \"[^A-Z]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 43
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"global.prefix\",\n"
+"        \"ddns-override-client-update\": true,\n"
+"        \"ddns-override-no-update\": true,\n"
+"        \"ddns-qualifying-suffix\": \"global.suffix.\",\n"
+"        \"ddns-replace-client-name\": \"always\",\n"
+"        \"ddns-send-updates\": false,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": true,\n"
+"            \"max-queue-size\": 2048,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"192.168.2.2\",\n"
+"            \"sender-port\": 778,\n"
+"            \"server-ip\": \"192.168.2.1\",\n"
+"            \"server-port\": 777\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"x\",\n"
+"        \"hostname-char-set\": \"[^A-Z]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 44
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ \"192.0.2.123\" ]\n"
+"                },\n"
+"                \"renew-timer\": 1,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 45
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ \"192.0.3.123\", \"192.0.3.124\" ]\n"
+"                },\n"
+"                \"renew-timer\": 1,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 46
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"client-class\": \"alpha\",\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"client-class\": \"beta\",\n"
+"                \"id\": 2,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.3.101-192.0.3.150\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.3.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"client-class\": \"gamma\",\n"
+"                \"id\": 3,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.4.101-192.0.4.150\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.4.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 4,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.5.101-192.0.5.150\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.5.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 47
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"client-class\": \"alpha\",\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"client-class\": \"beta\",\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.3.101-192.0.3.150\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"client-class\": \"gamma\",\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.4.101-192.0.4.150\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.5.101-192.0.5.150\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.0.0/16\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 48
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 123,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 234,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.3.101-192.0.3.150\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [\n"
+"                    {\n"
+"                        \"boot-file-name\": \"\",\n"
+"                        \"client-classes\": [ ],\n"
+"                        \"hostname\": \"\",\n"
+"                        \"hw-address\": \"01:02:03:04:05:06\",\n"
+"                        \"ip-address\": \"192.0.3.120\",\n"
+"                        \"next-server\": \"0.0.0.0\",\n"
+"                        \"option-data\": [\n"
+"                            {\n"
+"                                \"always-send\": false,\n"
+"                                \"code\": 5,\n"
+"                                \"csv-format\": true,\n"
+"                                \"data\": \"192.0.3.95\",\n"
+"                                \"name\": \"name-servers\",\n"
+"                                \"space\": \"dhcp4\"\n"
+"                            },\n"
+"                            {\n"
+"                                \"always-send\": false,\n"
+"                                \"code\": 23,\n"
+"                                \"csv-format\": true,\n"
+"                                \"data\": \"11\",\n"
+"                                \"name\": \"default-ip-ttl\",\n"
+"                                \"space\": \"dhcp4\"\n"
+"                            }\n"
+"                        ],\n"
+"                        \"server-hostname\": \"\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"boot-file-name\": \"\",\n"
+"                        \"client-classes\": [ ],\n"
+"                        \"duid\": \"01:02:03:04:05:06:07:08:09:0a\",\n"
+"                        \"hostname\": \"\",\n"
+"                        \"ip-address\": \"192.0.3.112\",\n"
+"                        \"next-server\": \"0.0.0.0\",\n"
+"                        \"option-data\": [\n"
+"                            {\n"
+"                                \"always-send\": false,\n"
+"                                \"code\": 5,\n"
+"                                \"csv-format\": true,\n"
+"                                \"data\": \"192.0.3.15\",\n"
+"                                \"name\": \"name-servers\",\n"
+"                                \"space\": \"dhcp4\"\n"
+"                            },\n"
+"                            {\n"
+"                                \"always-send\": false,\n"
+"                                \"code\": 23,\n"
+"                                \"csv-format\": true,\n"
+"                                \"data\": \"32\",\n"
+"                                \"name\": \"default-ip-ttl\",\n"
+"                                \"space\": \"dhcp4\"\n"
+"                            }\n"
+"                        ],\n"
+"                        \"server-hostname\": \"\"\n"
+"                    }\n"
+"                ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.3.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 542,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.4.101-192.0.4.150\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [\n"
+"                    {\n"
+"                        \"boot-file-name\": \"\",\n"
+"                        \"client-classes\": [ ],\n"
+"                        \"client-id\": \"05010203040506\",\n"
+"                        \"hostname\": \"\",\n"
+"                        \"ip-address\": \"192.0.4.103\",\n"
+"                        \"next-server\": \"0.0.0.0\",\n"
+"                        \"option-data\": [ ],\n"
+"                        \"server-hostname\": \"\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"boot-file-name\": \"\",\n"
+"                        \"circuit-id\": \"060504030201\",\n"
+"                        \"client-classes\": [ ],\n"
+"                        \"hostname\": \"\",\n"
+"                        \"ip-address\": \"192.0.4.102\",\n"
+"                        \"next-server\": \"0.0.0.0\",\n"
+"                        \"option-data\": [ ],\n"
+"                        \"server-hostname\": \"\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"boot-file-name\": \"\",\n"
+"                        \"client-classes\": [ ],\n"
+"                        \"duid\": \"0a:09:08:07:06:05:04:03:02:01\",\n"
+"                        \"hostname\": \"\",\n"
+"                        \"ip-address\": \"192.0.4.101\",\n"
+"                        \"next-server\": \"0.0.0.0\",\n"
+"                        \"option-data\": [\n"
+"                            {\n"
+"                                \"always-send\": false,\n"
+"                                \"code\": 5,\n"
+"                                \"csv-format\": true,\n"
+"                                \"data\": \"192.0.4.11\",\n"
+"                                \"name\": \"name-servers\",\n"
+"                                \"space\": \"dhcp4\"\n"
+"                            },\n"
+"                            {\n"
+"                                \"always-send\": false,\n"
+"                                \"code\": 23,\n"
+"                                \"csv-format\": true,\n"
+"                                \"data\": \"95\",\n"
+"                                \"name\": \"default-ip-ttl\",\n"
+"                                \"space\": \"dhcp4\"\n"
+"                            }\n"
+"                        ],\n"
+"                        \"server-hostname\": \"\"\n"
+"                    }\n"
+"                ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.4.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 49
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"array\": false,\n"
+"                \"code\": 100,\n"
+"                \"encapsulate\": \"\",\n"
+"                \"name\": \"foo\",\n"
+"                \"record-types\": \"\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"uint32\"\n"
+"            }\n"
+"        ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 234,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.3.101-192.0.3.150\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [\n"
+"                    {\n"
+"                        \"boot-file-name\": \"\",\n"
+"                        \"client-classes\": [ ],\n"
+"                        \"duid\": \"01:02:03:04:05:06:07:08:09:0a\",\n"
+"                        \"hostname\": \"\",\n"
+"                        \"ip-address\": \"192.0.3.112\",\n"
+"                        \"next-server\": \"0.0.0.0\",\n"
+"                        \"option-data\": [\n"
+"                            {\n"
+"                                \"always-send\": false,\n"
+"                                \"code\": 100,\n"
+"                                \"csv-format\": true,\n"
+"                                \"data\": \"123\",\n"
+"                                \"name\": \"foo\",\n"
+"                                \"space\": \"isc\"\n"
+"                            }\n"
+"                        ],\n"
+"                        \"server-hostname\": \"\"\n"
+"                    }\n"
+"                ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.3.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 50
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.1.0/24\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"reservations-global\": false,\n"
+"                \"reservations-in-subnet\": true,\n"
+"                \"reservations-out-of-pool\": false,\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.1.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 2,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.0/24\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"reservations-global\": false,\n"
+"                \"reservations-in-subnet\": true,\n"
+"                \"reservations-out-of-pool\": true,\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 3,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.3.0/24\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"reservations-global\": false,\n"
+"                \"reservations-in-subnet\": false,\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.3.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 4,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.4.0/24\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"reservations-global\": true,\n"
+"                \"reservations-in-subnet\": false,\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.4.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 5,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.5.0/24\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.5.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 6,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.6.0/24\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"reservations-global\": true,\n"
+"                \"reservations-in-subnet\": true,\n"
+"                \"reservations-out-of-pool\": false,\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.6.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 7,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.7.0/24\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"reservations-global\": true,\n"
+"                \"reservations-in-subnet\": true,\n"
+"                \"reservations-out-of-pool\": true,\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.7.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 51
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": true,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.0/24\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"reservations-global\": false,\n"
+"                \"reservations-in-subnet\": true,\n"
+"                \"reservations-out-of-pool\": false,\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 2,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.3.0/24\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.3.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 52
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 7200\n"
+"    }\n",
+    // CONFIGURATION 53
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 7200\n"
+"    }\n",
+    // CONFIGURATION 54
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 12345,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 7200\n"
+"    }\n",
+    // CONFIGURATION 55
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 35,\n"
+"            \"hold-reclaimed-time\": 1800,\n"
+"            \"max-reclaim-leases\": 50,\n"
+"            \"max-reclaim-time\": 100,\n"
+"            \"reclaim-timer-wait-time\": 20,\n"
+"            \"unwarned-reclaim-cycles\": 10\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 7200\n"
+"    }\n",
+    // CONFIGURATION 56
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 57
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"2001:db8::123/45\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 58
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"ethX\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 59
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"ethX\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"2001:db8::543/21\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 60
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"vlan123\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 61
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"client-classes\": [\n"
+"            {\n"
+"                \"boot-file-name\": \"\",\n"
+"                \"name\": \"one\",\n"
+"                \"next-server\": \"0.0.0.0\",\n"
+"                \"option-data\": [ ],\n"
+"                \"option-def\": [ ],\n"
+"                \"server-hostname\": \"\"\n"
+"            },\n"
+"            {\n"
+"                \"boot-file-name\": \"\",\n"
+"                \"name\": \"two\",\n"
+"                \"next-server\": \"0.0.0.0\",\n"
+"                \"option-data\": [ ],\n"
+"                \"option-def\": [ ],\n"
+"                \"server-hostname\": \"\"\n"
+"            },\n"
+"            {\n"
+"                \"boot-file-name\": \"\",\n"
+"                \"name\": \"three\",\n"
+"                \"next-server\": \"0.0.0.0\",\n"
+"                \"option-data\": [ ],\n"
+"                \"option-def\": [ ],\n"
+"                \"server-hostname\": \"\"\n"
+"            }\n"
+"        ],\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 62
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.0/28\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 63
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.0/28\",\n"
+"                        \"user-context\": { }\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 64
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.0/28\",\n"
+"                        \"user-context\": {\n"
+"                            \"bool-param\": true,\n"
+"                            \"integer-param\": 42,\n"
+"                            \"string-param\": \"Sagittarius\"\n"
+"                        }\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 65
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.0/28\",\n"
+"                        \"user-context\": {\n"
+"                            \"bool-param\": true,\n"
+"                            \"integer-param\": 42,\n"
+"                            \"string-param\": \"Sagittarius\"\n"
+"                        }\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 66
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"hosts-databases\": [\n"
+"            {\n"
+"                \"name\": \"keatest1\",\n"
+"                \"password\": \"keatest\",\n"
+"                \"type\": \"mysql\",\n"
+"                \"user\": \"keatest\"\n"
+"            },\n"
+"            {\n"
+"                \"name\": \"keatest2\",\n"
+"                \"password\": \"keatest\",\n"
+"                \"type\": \"mysql\",\n"
+"                \"user\": \"keatest\"\n"
+"            }\n"
+"        ],\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 67
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"client-classes\": [\n"
+"            {\n"
+"                \"boot-file-name\": \"\",\n"
+"                \"name\": \"all\",\n"
+"                \"next-server\": \"0.0.0.0\",\n"
+"                \"option-data\": [ ],\n"
+"                \"option-def\": [ ],\n"
+"                \"server-hostname\": \"\",\n"
+"                \"test\": \"'' == ''\",\n"
+"                \"user-context\": {\n"
+"                    \"comment\": \"match all\"\n"
+"                }\n"
+"            },\n"
+"            {\n"
+"                \"boot-file-name\": \"\",\n"
+"                \"name\": \"none\",\n"
+"                \"next-server\": \"0.0.0.0\",\n"
+"                \"option-data\": [ ],\n"
+"                \"option-def\": [ ],\n"
+"                \"server-hostname\": \"\"\n"
+"            },\n"
+"            {\n"
+"                \"boot-file-name\": \"\",\n"
+"                \"name\": \"both\",\n"
+"                \"next-server\": \"0.0.0.0\",\n"
+"                \"option-data\": [ ],\n"
+"                \"option-def\": [ ],\n"
+"                \"server-hostname\": \"\",\n"
+"                \"user-context\": {\n"
+"                    \"comment\": \"a comment\",\n"
+"                    \"version\": 1\n"
+"                }\n"
+"            }\n"
+"        ],\n"
+"        \"control-socket\": {\n"
+"            \"socket-name\": \"/tmp/kea4-ctrl-socket\",\n"
+"            \"socket-type\": \"unix\",\n"
+"            \"user-context\": {\n"
+"                \"comment\": \"Indirect comment\"\n"
+"            }\n"
+"        },\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001,\n"
+"            \"user-context\": {\n"
+"                \"comment\": \"No dynamic DNS\"\n"
+"            }\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false,\n"
+"            \"user-context\": {\n"
+"                \"comment\": \"Use wildcard\"\n"
+"            }\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"always-send\": false,\n"
+"                \"code\": 56,\n"
+"                \"csv-format\": false,\n"
+"                \"data\": \"ABCDEF0105\",\n"
+"                \"name\": \"dhcp-message\",\n"
+"                \"space\": \"dhcp4\",\n"
+"                \"user-context\": {\n"
+"                    \"comment\": \"Set option value\"\n"
+"                }\n"
+"            }\n"
+"        ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"array\": false,\n"
+"                \"code\": 100,\n"
+"                \"encapsulate\": \"\",\n"
+"                \"name\": \"foo\",\n"
+"                \"record-types\": \"\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"ipv4-address\",\n"
+"                \"user-context\": {\n"
+"                    \"comment\": \"An option definition\"\n"
+"                }\n"
+"            }\n"
+"        ],\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"name\": \"foo\",\n"
+"                \"option-data\": [ ],\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet4\": [\n"
+"                    {\n"
+"                        \"4o6-interface\": \"\",\n"
+"                        \"4o6-interface-id\": \"\",\n"
+"                        \"4o6-subnet\": \"\",\n"
+"                        \"calculate-tee-times\": false,\n"
+"                        \"id\": 100,\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pools\": [\n"
+"                            {\n"
+"                                \"option-data\": [ ],\n"
+"                                \"pool\": \"192.0.1.1-192.0.1.10\",\n"
+"                                \"user-context\": {\n"
+"                                    \"comment\": \"A pool\"\n"
+"                                }\n"
+"                            }\n"
+"                        ],\n"
+"                        \"relay\": {\n"
+"                            \"ip-addresses\": [ ]\n"
+"                        },\n"
+"                        \"reservations\": [\n"
+"                            {\n"
+"                                \"boot-file-name\": \"\",\n"
+"                                \"client-classes\": [ ],\n"
+"                                \"hostname\": \"foo.example.com\",\n"
+"                                \"hw-address\": \"aa:bb:cc:dd:ee:ff\",\n"
+"                                \"next-server\": \"0.0.0.0\",\n"
+"                                \"option-data\": [\n"
+"                                    {\n"
+"                                        \"always-send\": false,\n"
+"                                        \"code\": 15,\n"
+"                                        \"csv-format\": true,\n"
+"                                        \"data\": \"example.com\",\n"
+"                                        \"name\": \"domain-name\",\n"
+"                                        \"space\": \"dhcp4\",\n"
+"                                        \"user-context\": {\n"
+"                                            \"comment\": \"An option in a reservation\"\n"
+"                                        }\n"
+"                                    }\n"
+"                                ],\n"
+"                                \"server-hostname\": \"\",\n"
+"                                \"user-context\": {\n"
+"                                    \"comment\": \"A host reservation\"\n"
+"                                }\n"
+"                            }\n"
+"                        ],\n"
+"                        \"store-extended-info\": false,\n"
+"                        \"subnet\": \"192.0.1.0/24\",\n"
+"                        \"t1-percent\": 0.5,\n"
+"                        \"t2-percent\": 0.875,\n"
+"                        \"user-context\": {\n"
+"                            \"comment\": \"A subnet\"\n"
+"                        },\n"
+"                        \"valid-lifetime\": 7200\n"
+"                    }\n"
+"                ],\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"user-context\": {\n"
+"                    \"comment\": \"A shared network\"\n"
+"                },\n"
+"                \"valid-lifetime\": 7200\n"
+"            }\n"
+"        ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"user-context\": {\n"
+"            \"comment\": \"A DHCPv4 server\"\n"
+"        },\n"
+"        \"valid-lifetime\": 7200\n"
+"    }\n",
+    // CONFIGURATION 68
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations\": [\n"
+"            {\n"
+"                \"boot-file-name\": \"\",\n"
+"                \"client-classes\": [ ],\n"
+"                \"hostname\": \"global2\",\n"
+"                \"hw-address\": \"01:02:03:04:05:06\",\n"
+"                \"next-server\": \"0.0.0.0\",\n"
+"                \"option-data\": [\n"
+"                    {\n"
+"                        \"always-send\": false,\n"
+"                        \"code\": 5,\n"
+"                        \"csv-format\": true,\n"
+"                        \"data\": \"192.0.3.95\",\n"
+"                        \"name\": \"name-servers\",\n"
+"                        \"space\": \"dhcp4\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"always-send\": false,\n"
+"                        \"code\": 23,\n"
+"                        \"csv-format\": true,\n"
+"                        \"data\": \"11\",\n"
+"                        \"name\": \"default-ip-ttl\",\n"
+"                        \"space\": \"dhcp4\"\n"
+"                    }\n"
+"                ],\n"
+"                \"server-hostname\": \"\"\n"
+"            },\n"
+"            {\n"
+"                \"boot-file-name\": \"\",\n"
+"                \"client-classes\": [ ],\n"
+"                \"duid\": \"01:02:03:04:05:06:07:08:09:0a\",\n"
+"                \"hostname\": \"global1\",\n"
+"                \"ip-address\": \"192.0.200.1\",\n"
+"                \"next-server\": \"0.0.0.0\",\n"
+"                \"option-data\": [\n"
+"                    {\n"
+"                        \"always-send\": false,\n"
+"                        \"code\": 5,\n"
+"                        \"csv-format\": true,\n"
+"                        \"data\": \"192.0.3.15\",\n"
+"                        \"name\": \"name-servers\",\n"
+"                        \"space\": \"dhcp4\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"always-send\": false,\n"
+"                        \"code\": 23,\n"
+"                        \"csv-format\": true,\n"
+"                        \"data\": \"32\",\n"
+"                        \"name\": \"default-ip-ttl\",\n"
+"                        \"space\": \"dhcp4\"\n"
+"                    }\n"
+"                ],\n"
+"                \"server-hostname\": \"\"\n"
+"            }\n"
+"        ],\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 123,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 542,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.4.101-192.0.4.150\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.4.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 69
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"name\": \"foo\",\n"
+"                \"option-data\": [ ],\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet4\": [\n"
+"                    {\n"
+"                        \"4o6-interface\": \"\",\n"
+"                        \"4o6-interface-id\": \"\",\n"
+"                        \"4o6-subnet\": \"\",\n"
+"                        \"calculate-tee-times\": false,\n"
+"                        \"id\": 100,\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pools\": [\n"
+"                            {\n"
+"                                \"option-data\": [ ],\n"
+"                                \"pool\": \"192.0.1.1-192.0.1.10\"\n"
+"                            }\n"
+"                        ],\n"
+"                        \"relay\": {\n"
+"                            \"ip-addresses\": [ ]\n"
+"                        },\n"
+"                        \"reservations\": [ ],\n"
+"                        \"store-extended-info\": false,\n"
+"                        \"subnet\": \"192.0.1.0/24\",\n"
+"                        \"t1-percent\": 0.45,\n"
+"                        \"t2-percent\": 0.65,\n"
+"                        \"valid-lifetime\": 4000\n"
+"                    },\n"
+"                    {\n"
+"                        \"4o6-interface\": \"\",\n"
+"                        \"4o6-interface-id\": \"\",\n"
+"                        \"4o6-subnet\": \"\",\n"
+"                        \"calculate-tee-times\": true,\n"
+"                        \"id\": 200,\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pools\": [\n"
+"                            {\n"
+"                                \"option-data\": [ ],\n"
+"                                \"pool\": \"192.0.2.1-192.0.2.10\"\n"
+"                            }\n"
+"                        ],\n"
+"                        \"relay\": {\n"
+"                            \"ip-addresses\": [ ]\n"
+"                        },\n"
+"                        \"reservations\": [ ],\n"
+"                        \"store-extended-info\": false,\n"
+"                        \"subnet\": \"192.0.2.0/24\",\n"
+"                        \"t1-percent\": 0.4,\n"
+"                        \"t2-percent\": 0.75,\n"
+"                        \"valid-lifetime\": 4000\n"
+"                    }\n"
+"                ],\n"
+"                \"t1-percent\": 0.4,\n"
+"                \"t2-percent\": 0.75,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 300,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.3.0/28\"\n"
+"                    }\n"
+"                ],\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.3.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 70
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": true,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 2,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.3.1-192.0.3.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.3.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 71
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": true,\n"
+"        \"subnet4\": [\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.2.1-192.0.2.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"192.0.2.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"4o6-interface\": \"\",\n"
+"                \"4o6-interface-id\": \"\",\n"
+"                \"4o6-subnet\": \"\",\n"
+"                \"calculate-tee-times\": false,\n"
+"                \"id\": 2,\n"
+"                \"option-data\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"192.0.3.1-192.0.3.100\"\n"
+"                    }\n"
+"                ],\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": true,\n"
+"                \"subnet\": \"192.0.3.0/24\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.875,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 72
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 5,\n"
+"        \"statistic-default-sample-count\": 10,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 73
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 7200\n"
+"    }\n",
+    // CONFIGURATION 74
+"{\n"
+"        \"authoritative\": false,\n"
+"        \"boot-file-name\": \"\",\n"
+"        \"calculate-tee-times\": false,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring4\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"echo-client-id\": true,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\", \"circuit-id\", \"client-id\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"match-client-id\": true,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": true,\n"
+"            \"packet-queue-size\": 1024,\n"
+"            \"thread-pool-size\": 48\n"
+"        },\n"
+"        \"next-server\": \"0.0.0.0\",\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-hostname\": \"\",\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet4\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.875,\n"
+"        \"valid-lifetime\": 7200\n"
+"    }\n"
 };
 
 /// @brief the number of configurations
index 5b329c06c3f4763e1e4fb66a5706b221abd88424..ec8f46b78267d5ef17f1aba244a07e528bec28c4 100644 (file)
@@ -70,9713 +70,9709 @@ namespace {
 ///@{
 /// @brief extracted configurations
 const char* EXTRACTED_CONFIGS[] = {
-            // CONFIGURATION 0
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [ ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 1
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"max-preferred-lifetime\": 4000,\n"
-        "        \"max-valid-lifetime\": 5000,\n"
-        "        \"min-preferred-lifetime\": 2000,\n"
-        "        \"min-valid-lifetime\": 3000,\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:1::1 - 2001:db8:1::ffff\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:1::/64\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 2
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:1::/64\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"id\": 0,\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:2::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:2::/64\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:3::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:3::/64\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:4::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:4::/64\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 3
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"id\": 1024,\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:1::/64\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"id\": 100,\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:2::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:2::/64\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"id\": 1,\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:3::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:3::/64\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"id\": 34,\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:4::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:4::/64\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 4
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"id\": 1,\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:1::/64\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"id\": 2,\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:2::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:2::/64\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"id\": 3,\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:3::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:3::/64\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"id\": 4,\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:4::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:4::/64\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 5
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"max-preferred-lifetime\": 4000,\n"
-        "        \"max-valid-lifetime\": 5000,\n"
-        "        \"min-preferred-lifetime\": 2000,\n"
-        "        \"min-valid-lifetime\": 3000,\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"max-preferred-lifetime\": 4,\n"
-        "                \"max-valid-lifetime\": 5,\n"
-        "                \"min-preferred-lifetime\": 2,\n"
-        "                \"min-valid-lifetime\": 3,\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:1::1 - 2001:db8:1::ffff\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3,\n"
-        "                \"rebind-timer\": 2,\n"
-        "                \"renew-timer\": 1,\n"
-        "                \"subnet\": \"2001:db8:1::/64\",\n"
-        "                \"valid-lifetime\": 4\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 6
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"interface\": \"eth0\",\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:1::1 - 2001:db8:1::ffff\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:1::/64\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 7
-        "{\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"interface-id\": \"foobar\",\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:1::1 - 2001:db8:1::ffff\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:1::/64\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 8
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:1::/96\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:1:0:abcd::/112\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:1::/64\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:2::1 - 2001:db8:2::ff\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:2::300 - 2001:db8:2::3ff\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:2::/64\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 9
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:1::/64\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 10
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"pd-pools\": [\n"
-        "                    {\n"
-        "                        \"delegated-len\": 128,\n"
-        "                        \"prefix\": \"2001:db8:1::\",\n"
-        "                        \"prefix-len\": 64\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:1::/64\",\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ]\n"
-        "    }\n",
-            // CONFIGURATION 11
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"pd-pools\": [\n"
-        "                    {\n"
-        "                        \"delegated-len\": 64,\n"
-        "                        \"excluded-prefix\": \"3000:0:0:0:1000::\",\n"
-        "                        \"excluded-prefix-len\": 72,\n"
-        "                        \"prefix\": \"3000::\",\n"
-        "                        \"prefix-len\": 48\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:1::/64\",\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ]\n"
-        "    }\n",
-            // CONFIGURATION 12
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"pd-pools\": [\n"
-        "                    {\n"
-        "                        \"delegated-len\": 80,\n"
-        "                        \"prefix\": \"2001:db8:1:01::\",\n"
-        "                        \"prefix-len\": 72\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"delegated-len\": 88,\n"
-        "                        \"prefix\": \"2001:db8:1:02::\",\n"
-        "                        \"prefix-len\": 72\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"delegated-len\": 96,\n"
-        "                        \"prefix\": \"3000:1:03::\",\n"
-        "                        \"prefix-len\": 72\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:1:04::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:1::/40\",\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ]\n"
-        "    }\n",
-            // CONFIGURATION 13
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"pd-pools\": [\n"
-        "                    {\n"
-        "                        \"delegated-len\": 64,\n"
-        "                        \"prefix\": \"2001:db8:1::\",\n"
-        "                        \"prefix-len\": 64\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:1::/64\",\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ]\n"
-        "    }\n",
-            // CONFIGURATION 14
-        "{\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"code\": 100,\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"ipv6-address\"\n"
-        "            }\n"
-        "        ]\n"
-        "    }\n",
-            // CONFIGURATION 15
-        "{\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"code\": 100,\n"
-        "                \"name\": \"foo\",\n"
-        "                \"record-types\": \"uint16, ipv4-address, ipv6-address, string\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"record\"\n"
-        "            }\n"
-        "        ]\n"
-        "    }\n",
-            // CONFIGURATION 16
-        "{\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"code\": 100,\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"uint32\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"code\": 101,\n"
-        "                \"name\": \"foo-2\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"ipv4-address\"\n"
-        "            }\n"
-        "        ]\n"
-        "    }\n",
-            // CONFIGURATION 17
-        "{\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"array\": true,\n"
-        "                \"code\": 100,\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"uint32\"\n"
-        "            }\n"
-        "        ]\n"
-        "    }\n",
-            // CONFIGURATION 18
-        "{\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"code\": 100,\n"
-        "                \"encapsulate\": \"sub-opts-space\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"uint32\"\n"
-        "            }\n"
-        "        ]\n"
-        "    }\n",
-            // CONFIGURATION 19
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"csv-format\": false,\n"
-        "                \"data\": \"ABCDEF0105\",\n"
-        "                \"name\": \"subscriber-id\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"data\": \"01\",\n"
-        "                \"name\": \"preference\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:1::/64\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 20
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"option-data\": [\n"
-        "                    {\n"
-        "                        \"csv-format\": false,\n"
-        "                        \"data\": \"ABCDEF0105\",\n"
-        "                        \"name\": \"subscriber-id\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"data\": \"01\",\n"
-        "                        \"name\": \"preference\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:1::/64\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 21
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"csv-format\": false,\n"
-        "                \"data\": \"ABCDEF0105\",\n"
-        "                \"name\": \"subscriber-id\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"data\": \"1234\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"isc\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"code\": 38,\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"uint32\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:1::/64\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 22
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"data\": \"1234\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"isc\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"data\": \"192.168.2.1\",\n"
-        "                \"name\": \"foo2\",\n"
-        "                \"space\": \"isc\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"code\": 110,\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"uint32\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"code\": 111,\n"
-        "                \"name\": \"foo2\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"ipv4-address\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 23
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"data\": \"11\",\n"
-        "                \"name\": \"base-option\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"data\": \"1234\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"isc\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"data\": \"192.168.2.1\",\n"
-        "                \"name\": \"foo2\",\n"
-        "                \"space\": \"isc\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"code\": 100,\n"
-        "                \"encapsulate\": \"isc\",\n"
-        "                \"name\": \"base-option\",\n"
-        "                \"space\": \"dhcp6\",\n"
-        "                \"type\": \"uint8\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"code\": 110,\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"uint32\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"code\": 111,\n"
-        "                \"name\": \"foo2\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"ipv4-address\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:1::/64\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 24
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"option-data\": [\n"
-        "                    {\n"
-        "                        \"csv-format\": false,\n"
-        "                        \"data\": \"0102030405060708090A\",\n"
-        "                        \"name\": \"subscriber-id\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:1::/64\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"option-data\": [\n"
-        "                    {\n"
-        "                        \"csv-format\": false,\n"
-        "                        \"data\": \"FFFEFDFCFB\",\n"
-        "                        \"name\": \"user-class\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:2::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:2::/64\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 25
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"pd-pools\": [\n"
-        "                    {\n"
-        "                        \"delegated-len\": 64,\n"
-        "                        \"option-data\": [\n"
-        "                            {\n"
-        "                                \"csv-format\": false,\n"
-        "                                \"data\": \"112233445566\",\n"
-        "                                \"name\": \"subscriber-id\"\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"prefix\": \"3000::\",\n"
-        "                        \"prefix-len\": 48\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"delegated-len\": 64,\n"
-        "                        \"option-data\": [\n"
-        "                            {\n"
-        "                                \"csv-format\": false,\n"
-        "                                \"data\": \"aabbccddee\",\n"
-        "                                \"name\": \"user-class\"\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"prefix\": \"3001::\",\n"
-        "                        \"prefix-len\": 48\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [\n"
-        "                            {\n"
-        "                                \"csv-format\": false,\n"
-        "                                \"data\": \"0102030405060708090A\",\n"
-        "                                \"name\": \"subscriber-id\"\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"pool\": \"2001:db8:1::10 - 2001:db8:1::100\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"option-data\": [\n"
-        "                            {\n"
-        "                                \"csv-format\": false,\n"
-        "                                \"data\": \"FFFEFDFCFB\",\n"
-        "                                \"name\": \"user-class\"\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"pool\": \"2001:db8:1::300 - 2001:db8:1::400\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:1::/64\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 26
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"code\": 100,\n"
-        "                \"csv-format\": false,\n"
-        "                \"data\": \"ABCDEF0105\",\n"
-        "                \"name\": \"option-one\",\n"
-        "                \"space\": \"vendor-4491\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"code\": 100,\n"
-        "                \"csv-format\": false,\n"
-        "                \"data\": \"1234\",\n"
-        "                \"name\": \"option-two\",\n"
-        "                \"space\": \"vendor-1234\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:1::/64\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 27
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"code\": 100,\n"
-        "                \"data\": \"this is a string vendor-opt\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"vendor-4491\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"code\": 100,\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"vendor-4491\",\n"
-        "                \"type\": \"string\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:1::/64\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 28
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"eth0\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 29
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"eth0\", \"eth1\", \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 30
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:1::1 - 2001:db8:1::ffff\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"relay\": {\n"
-        "                    \"ip-address\": \"2001:db8:1::abcd\"\n"
-        "                },\n"
-        "                \"subnet\": \"2001:db8:1::/64\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 31
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:1::1 - 2001:db8:1::ffff\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ \"2001:db9::abcd\", \"2001:db9::abce\" ]\n"
-        "                },\n"
-        "                \"subnet\": \"2001:db8:1::/64\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 32
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"client-class\": \"alpha\",\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:1::/64\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"client-class\": \"beta\",\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:2::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:2::/64\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"client-class\": \"gamma\",\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:3::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:3::/64\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:4::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:4::/64\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 33
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"client-class\": \"alpha\",\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"client-class\": \"beta\",\n"
-        "                        \"pool\": \"2001:db8:2::/80\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"client-class\": \"gamma\",\n"
-        "                        \"pool\": \"2001:db8:3::/80\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:4::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:0::/40\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 34
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"pd-pools\": [\n"
-        "                    {\n"
-        "                        \"client-class\": \"alpha\",\n"
-        "                        \"delegated-len\": 64,\n"
-        "                        \"prefix\": \"2001:db8:1::\",\n"
-        "                        \"prefix-len\": 48\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"client-class\": \"beta\",\n"
-        "                        \"delegated-len\": 64,\n"
-        "                        \"prefix\": \"2001:db8:2::\",\n"
-        "                        \"prefix-len\": 48\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"client-class\": \"gamma\",\n"
-        "                        \"delegated-len\": 64,\n"
-        "                        \"prefix\": \"2001:db8:3::\",\n"
-        "                        \"prefix-len\": 48\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"delegated-len\": 64,\n"
-        "                        \"prefix\": \"2001:db8:4::\",\n"
-        "                        \"prefix-len\": 48\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8::/64\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 35
-        "{\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": true,\n"
-        "            \"max-queue-size\": 2048,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"3001::2\",\n"
-        "            \"sender-port\": 778,\n"
-        "            \"server-ip\": \"3001::1\",\n"
-        "            \"server-port\": 777\n"
-        "        },\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:1::/64\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 36
-        "{\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": true,\n"
-        "            \"generated-prefix\": \"test.prefix\",\n"
-        "            \"hostname-char-replacement\": \"x\",\n"
-        "            \"hostname-char-set\": \"[^A-Z]\",\n"
-        "            \"max-queue-size\": 2048,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"override-client-update\": true,\n"
-        "            \"override-no-update\": true,\n"
-        "            \"qualifying-suffix\": \"test.suffix.\",\n"
-        "            \"replace-client-name\": \"when-present\",\n"
-        "            \"sender-ip\": \"3001::2\",\n"
-        "            \"sender-port\": 778,\n"
-        "            \"server-ip\": \"3001::1\",\n"
-        "            \"server-port\": 777\n"
-        "        },\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:1::/64\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 37
-        "{\n"
-        "        \"ddns-generated-prefix\": \"global.prefix\",\n"
-        "        \"ddns-override-client-update\": true,\n"
-        "        \"ddns-override-no-update\": true,\n"
-        "        \"ddns-qualifying-suffix\": \"global.suffix.\",\n"
-        "        \"ddns-replace-client-name\": \"always\",\n"
-        "        \"ddns-send-updates\": false,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": true,\n"
-        "            \"generated-prefix\": \"d2.prefix\",\n"
-        "            \"hostname-char-replacement\": \"z\",\n"
-        "            \"hostname-char-set\": \"[^0-9]\",\n"
-        "            \"max-queue-size\": 2048,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"override-client-update\": false,\n"
-        "            \"override-no-update\": false,\n"
-        "            \"qualifying-suffix\": \"d2.suffix.\",\n"
-        "            \"replace-client-name\": \"when-present\",\n"
-        "            \"sender-ip\": \"3001::2\",\n"
-        "            \"sender-port\": 778,\n"
-        "            \"server-ip\": \"3001::1\",\n"
-        "            \"server-port\": 777\n"
-        "        },\n"
-        "        \"hostname-char-replacement\": \"x\",\n"
-        "        \"hostname-char-set\": \"[^A-Z]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:1::/64\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 38
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"id\": 123,\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"reservations\": [ ],\n"
-        "                \"subnet\": \"2001:db8:1::/64\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"id\": 234,\n"
-        "                \"pools\": [ ],\n"
-        "                \"reservations\": [\n"
-        "                    {\n"
-        "                        \"duid\": \"01:02:03:04:05:06:07:08:09:0A\",\n"
-        "                        \"hostname\": \"\",\n"
-        "                        \"ip-addresses\": [ \"2001:db8:2::1234\" ],\n"
-        "                        \"option-data\": [\n"
-        "                            {\n"
-        "                                \"data\": \"2001:db8:2::1111\",\n"
-        "                                \"name\": \"dns-servers\"\n"
-        "                            },\n"
-        "                            {\n"
-        "                                \"data\": \"11\",\n"
-        "                                \"name\": \"preference\"\n"
-        "                            }\n"
-        "                        ]\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"hostname\": \"\",\n"
-        "                        \"hw-address\": \"01:02:03:04:05:06\",\n"
-        "                        \"ip-addresses\": [ \"2001:db8:2::abcd\" ],\n"
-        "                        \"option-data\": [\n"
-        "                            {\n"
-        "                                \"data\": \"2001:db8:2::abbc\",\n"
-        "                                \"name\": \"dns-servers\"\n"
-        "                            },\n"
-        "                            {\n"
-        "                                \"data\": \"25\",\n"
-        "                                \"name\": \"preference\"\n"
-        "                            }\n"
-        "                        ]\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:2::/64\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"id\": 542,\n"
-        "                \"pools\": [ ],\n"
-        "                \"reservations\": [\n"
-        "                    {\n"
-        "                        \"duid\": \"0A:09:08:07:06:05:04:03:02:01\",\n"
-        "                        \"hostname\": \"\",\n"
-        "                        \"option-data\": [\n"
-        "                            {\n"
-        "                                \"data\": \"2001:db8:3::3333\",\n"
-        "                                \"name\": \"dns-servers\"\n"
-        "                            },\n"
-        "                            {\n"
-        "                                \"data\": \"33\",\n"
-        "                                \"name\": \"preference\"\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"prefixes\": [ \"2001:db8:3:2::/96\" ]\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"hostname\": \"\",\n"
-        "                        \"hw-address\": \"06:05:04:03:02:01\",\n"
-        "                        \"prefixes\": [ \"2001:db8:3:1::/96\" ]\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:3::/64\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 39
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"code\": 100,\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"uint32\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"id\": 234,\n"
-        "                \"pools\": [ ],\n"
-        "                \"reservations\": [\n"
-        "                    {\n"
-        "                        \"duid\": \"01:02:03:04:05:06:07:08:09:0A\",\n"
-        "                        \"hostname\": \"\",\n"
-        "                        \"ip-addresses\": [ \"2001:db8:2::1234\" ],\n"
-        "                        \"option-data\": [\n"
-        "                            {\n"
-        "                                \"data\": \"11\",\n"
-        "                                \"name\": \"foo\",\n"
-        "                                \"space\": \"isc\"\n"
-        "                            }\n"
-        "                        ]\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:2::/64\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 40
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"rfc6939\", \"rfc4649\", \"rfc4580\" ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [ ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 41
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"client-link-addr-option\", \"remote-id\", \"subscriber-id\" ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [ ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 42
-        "{\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:1::/64\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"reservations-global\": false,\n"
-        "                \"reservations-in-subnet\": true,\n"
-        "                \"reservations-out-of-pool\": false,\n"
-        "                \"subnet\": \"2001:db8:1::/48\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:2::/64\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"reservations-global\": false,\n"
-        "                \"reservations-in-subnet\": true,\n"
-        "                \"reservations-out-of-pool\": true,\n"
-        "                \"subnet\": \"2001:db8:2::/48\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:3::/64\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"reservations-global\": false,\n"
-        "                \"reservations-in-subnet\": false,\n"
-        "                \"reservations-out-of-pool\": false,\n"
-        "                \"subnet\": \"2001:db8:3::/48\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:4::/64\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"reservations-global\": true,\n"
-        "                \"reservations-in-subnet\": false,\n"
-        "                \"reservations-out-of-pool\": false,\n"
-        "                \"subnet\": \"2001:db8:4::/48\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:5::/64\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:5::/48\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:6::/64\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"reservations-global\": true,\n"
-        "                \"reservations-in-subnet\": true,\n"
-        "                \"reservations-out-of-pool\": false,\n"
-        "                \"subnet\": \"2001:db8:6::/48\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:7::/64\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"reservations-global\": true,\n"
-        "                \"reservations-in-subnet\": true,\n"
-        "                \"reservations-out-of-pool\": true,\n"
-        "                \"subnet\": \"2001:db8:7::/48\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 43
-        "{\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": true,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:1::/64\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"reservations-global\": false,\n"
-        "                \"reservations-in-subnet\": true,\n"
-        "                \"reservations-out-of-pool\": false,\n"
-        "                \"subnet\": \"2001:db8:1::/48\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:2::/64\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:2::/48\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 44
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"dns-servers\", \"remote-id\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [ ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 45
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"subnet6\": [ ]\n"
-        "    }\n",
-            // CONFIGURATION 46
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"subnet6\": [ ]\n"
-        "    }\n",
-            // CONFIGURATION 47
-        "{\n"
-        "        \"decline-probation-period\": 12345,\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"subnet6\": [ ]\n"
-        "    }\n",
-            // CONFIGURATION 48
-        "{\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 35,\n"
-        "            \"hold-reclaimed-time\": 1800,\n"
-        "            \"max-reclaim-leases\": 50,\n"
-        "            \"max-reclaim-time\": 100,\n"
-        "            \"reclaim-timer-wait-time\": 20,\n"
-        "            \"unwarned-reclaim-cycles\": 10\n"
-        "        },\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"subnet6\": [ ]\n"
-        "    }\n",
-            // CONFIGURATION 49
-        "{\n"
-        "        \"client-classes\": [\n"
-        "            {\n"
-        "                \"name\": \"one\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"name\": \"two\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"name\": \"three\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:1::1 - 2001:db8:1::ffff\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8:1::/64\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 50
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8::/64\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8::/32\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 51
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8::/64\",\n"
-        "                        \"user-context\": { }\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8::/32\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 52
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8::/64\",\n"
-        "                        \"user-context\": {\n"
-        "                            \"lw4over6-bind-prefix-len\": 56,\n"
-        "                            \"lw4over6-sharing-ratio\": 64,\n"
-        "                            \"lw4over6-sysports-exclude\": true,\n"
-        "                            \"lw4over6-v4-pool\": \"192.0.2.0/24\"\n"
-        "                        }\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8::/32\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 53
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:: - 2001:db8::ffff:ffff:ffff:ffff\",\n"
-        "                        \"user-context\": {\n"
-        "                            \"lw4over6-bind-prefix-len\": 56,\n"
-        "                            \"lw4over6-sharing-ratio\": 64,\n"
-        "                            \"lw4over6-sysports-exclude\": true,\n"
-        "                            \"lw4over6-v4-pool\": \"192.0.2.0/24\"\n"
-        "                        }\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8::/32\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 54
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"pd-pools\": [\n"
-        "                    {\n"
-        "                        \"delegated-len\": 64,\n"
-        "                        \"prefix\": \"2001:db8::\",\n"
-        "                        \"prefix-len\": 56\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8::/32\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 55
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"pd-pools\": [\n"
-        "                    {\n"
-        "                        \"delegated-len\": 64,\n"
-        "                        \"prefix\": \"2001:db8::\",\n"
-        "                        \"prefix-len\": 56,\n"
-        "                        \"user-context\": { }\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8::/32\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 56
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"pd-pools\": [\n"
-        "                    {\n"
-        "                        \"delegated-len\": 64,\n"
-        "                        \"prefix\": \"2001:db8::\",\n"
-        "                        \"prefix-len\": 56,\n"
-        "                        \"user-context\": {\n"
-        "                            \"lw4over6-bind-prefix-len\": 56,\n"
-        "                            \"lw4over6-sharing-ratio\": 64,\n"
-        "                            \"lw4over6-sysports-exclude\": true,\n"
-        "                            \"lw4over6-v4-pool\": \"192.0.2.0/24\"\n"
-        "                        }\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"subnet\": \"2001:db8::/32\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 57
-        "{\n"
-        "        \"hosts-databases\": [\n"
-        "            {\n"
-        "                \"name\": \"keatest1\",\n"
-        "                \"password\": \"keatest\",\n"
-        "                \"type\": \"mysql\",\n"
-        "                \"user\": \"keatest\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"name\": \"keatest2\",\n"
-        "                \"password\": \"keatest\",\n"
-        "                \"type\": \"mysql\",\n"
-        "                \"user\": \"keatest\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 58
-        "{\n"
-        "        \"client-classes\": [\n"
-        "            {\n"
-        "                \"name\": \"all\",\n"
-        "                \"test\": \"'' == ''\",\n"
-        "                \"user-context\": {\n"
-        "                    \"comment\": \"match all\"\n"
-        "                }\n"
-        "            },\n"
-        "            {\n"
-        "                \"name\": \"none\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"name\": \"both\",\n"
-        "                \"user-context\": {\n"
-        "                    \"comment\": \"a comment\",\n"
-        "                    \"version\": 1\n"
-        "                }\n"
-        "            }\n"
-        "        ],\n"
-        "        \"control-socket\": {\n"
-        "            \"socket-name\": \"/tmp/kea6-ctrl-socket\",\n"
-        "            \"socket-type\": \"unix\",\n"
-        "            \"user-context\": {\n"
-        "                \"comment\": \"Indirect comment\"\n"
-        "            }\n"
-        "        },\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"user-context\": {\n"
-        "                \"comment\": \"No dynamic DNS\"\n"
-        "            }\n"
-        "        },\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false,\n"
-        "            \"user-context\": {\n"
-        "                \"comment\": \"Use wildcard\"\n"
-        "            }\n"
-        "        },\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"csv-format\": false,\n"
-        "                \"data\": \"ABCDEF0105\",\n"
-        "                \"name\": \"subscriber-id\",\n"
-        "                \"user-context\": {\n"
-        "                    \"comment\": \"Set option value\"\n"
-        "                }\n"
-        "            }\n"
-        "        ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"code\": 100,\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"ipv6-address\",\n"
-        "                \"user-context\": {\n"
-        "                    \"comment\": \"An option definition\"\n"
-        "                }\n"
-        "            }\n"
-        "        ],\n"
-        "        \"server-id\": {\n"
-        "            \"type\": \"LL\",\n"
-        "            \"user-context\": {\n"
-        "                \"comment\": \"DHCPv6 specific\"\n"
-        "            }\n"
-        "        },\n"
-        "        \"shared-networks\": [\n"
-        "            {\n"
-        "                \"name\": \"foo\",\n"
-        "                \"subnet6\": [\n"
-        "                    {\n"
-        "                        \"id\": 100,\n"
-        "                        \"pd-pools\": [\n"
-        "                            {\n"
-        "                                \"delegated-len\": 64,\n"
-        "                                \"prefix\": \"2001:db2::\",\n"
-        "                                \"prefix-len\": 48,\n"
-        "                                \"user-context\": {\n"
-        "                                    \"comment\": \"A prefix pool\"\n"
-        "                                }\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"pools\": [\n"
-        "                            {\n"
-        "                                \"pool\": \"2001:db1::/64\",\n"
-        "                                \"user-context\": {\n"
-        "                                    \"comment\": \"A pool\"\n"
-        "                                }\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"reservations\": [\n"
-        "                            {\n"
-        "                                \"hostname\": \"foo.example.com\",\n"
-        "                                \"hw-address\": \"AA:BB:CC:DD:EE:FF\",\n"
-        "                                \"option-data\": [\n"
-        "                                    {\n"
-        "                                        \"data\": \"example.com\",\n"
-        "                                        \"name\": \"domain-search\",\n"
-        "                                        \"user-context\": {\n"
-        "                                            \"comment\": \"An option in a reservation\"\n"
-        "                                        }\n"
-        "                                    }\n"
-        "                                ],\n"
-        "                                \"user-context\": {\n"
-        "                                    \"comment\": \"A host reservation\"\n"
-        "                                }\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"subnet\": \"2001:db1::/48\",\n"
-        "                        \"user-context\": {\n"
-        "                            \"comment\": \"A subnet\"\n"
-        "                        }\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"user-context\": {\n"
-        "                    \"comment\": \"A shared network\"\n"
-        "                }\n"
-        "            }\n"
-        "        ],\n"
-        "        \"user-context\": {\n"
-        "            \"comment\": \"A DHCPv6 server\"\n"
-        "        }\n"
-        "    }\n",
-            // CONFIGURATION 59
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations\": [\n"
-        "            {\n"
-        "                \"duid\": \"01:02:03:04:05:06:07:08:09:0A\",\n"
-        "                \"hostname\": \"\",\n"
-        "                \"ip-addresses\": [ \"2001:db8:2::1234\" ],\n"
-        "                \"option-data\": [\n"
-        "                    {\n"
-        "                        \"data\": \"2001:db8:2::1111\",\n"
-        "                        \"name\": \"dns-servers\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"data\": \"11\",\n"
-        "                        \"name\": \"preference\"\n"
-        "                    }\n"
-        "                ]\n"
-        "            },\n"
-        "            {\n"
-        "                \"hostname\": \"\",\n"
-        "                \"hw-address\": \"01:02:03:04:05:06\",\n"
-        "                \"ip-addresses\": [ \"2001:db8:2::abcd\" ],\n"
-        "                \"option-data\": [\n"
-        "                    {\n"
-        "                        \"data\": \"2001:db8:2::abbc\",\n"
-        "                        \"name\": \"dns-servers\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"data\": \"25\",\n"
-        "                        \"name\": \"preference\"\n"
-        "                    }\n"
-        "                ]\n"
-        "            }\n"
-        "        ],\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"id\": 123,\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"reservations\": [ ],\n"
-        "                \"subnet\": \"2001:db8:1::/64\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"id\": 234,\n"
-        "                \"pools\": [ ],\n"
-        "                \"subnet\": \"2001:db8:2::/64\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"id\": 542,\n"
-        "                \"pools\": [ ],\n"
-        "                \"subnet\": \"2001:db8:3::/64\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 60
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"statistic-default-sample-age\": 5,\n"
-        "        \"statistic-default-sample-count\": 10,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 61
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"subnet6\": [ ]\n"
-        "    }\n",
-            // CONFIGURATION 62
-        "{\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": true,\n"
-        "            \"packet-queue-size\": 1024,\n"
-        "            \"thread-pool-size\": 48\n"
-        "        },\n"
-        "        \"subnet6\": [ ]\n"
-        "    }\n"
+    // CONFIGURATION 0
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [ ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 1
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"max-preferred-lifetime\": 4000,\n"
+"        \"max-valid-lifetime\": 5000,\n"
+"        \"min-preferred-lifetime\": 2000,\n"
+"        \"min-valid-lifetime\": 3000,\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:1::1 - 2001:db8:1::ffff\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:1::/64\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 2
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:1::/64\"\n"
+"            },\n"
+"            {\n"
+"                \"id\": 0,\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:2::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:2::/64\"\n"
+"            },\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:3::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:3::/64\"\n"
+"            },\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:4::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:4::/64\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 3
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"id\": 1024,\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:1::/64\"\n"
+"            },\n"
+"            {\n"
+"                \"id\": 100,\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:2::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:2::/64\"\n"
+"            },\n"
+"            {\n"
+"                \"id\": 1,\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:3::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:3::/64\"\n"
+"            },\n"
+"            {\n"
+"                \"id\": 34,\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:4::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:4::/64\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 4
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"id\": 1,\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:1::/64\"\n"
+"            },\n"
+"            {\n"
+"                \"id\": 2,\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:2::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:2::/64\"\n"
+"            },\n"
+"            {\n"
+"                \"id\": 3,\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:3::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:3::/64\"\n"
+"            },\n"
+"            {\n"
+"                \"id\": 4,\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:4::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:4::/64\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 5
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"max-preferred-lifetime\": 4000,\n"
+"        \"max-valid-lifetime\": 5000,\n"
+"        \"min-preferred-lifetime\": 2000,\n"
+"        \"min-valid-lifetime\": 3000,\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"max-preferred-lifetime\": 4,\n"
+"                \"max-valid-lifetime\": 5,\n"
+"                \"min-preferred-lifetime\": 2,\n"
+"                \"min-valid-lifetime\": 3,\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:1::1 - 2001:db8:1::ffff\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3,\n"
+"                \"rebind-timer\": 2,\n"
+"                \"renew-timer\": 1,\n"
+"                \"subnet\": \"2001:db8:1::/64\",\n"
+"                \"valid-lifetime\": 4\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 6
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"interface\": \"eth0\",\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:1::1 - 2001:db8:1::ffff\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:1::/64\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 7
+"{\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"interface-id\": \"foobar\",\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:1::1 - 2001:db8:1::ffff\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:1::/64\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 8
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:1::/96\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:1:0:abcd::/112\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:1::/64\"\n"
+"            },\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:2::1 - 2001:db8:2::ff\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:2::300 - 2001:db8:2::3ff\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:2::/64\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 9
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:1::/64\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 10
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"pd-pools\": [\n"
+"                    {\n"
+"                        \"delegated-len\": 128,\n"
+"                        \"prefix\": \"2001:db8:1::\",\n"
+"                        \"prefix-len\": 64\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:1::/64\",\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ]\n"
+"    }\n",
+    // CONFIGURATION 11
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"pd-pools\": [\n"
+"                    {\n"
+"                        \"delegated-len\": 64,\n"
+"                        \"excluded-prefix\": \"3000:0:0:0:1000::\",\n"
+"                        \"excluded-prefix-len\": 72,\n"
+"                        \"prefix\": \"3000::\",\n"
+"                        \"prefix-len\": 48\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:1::/64\",\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ]\n"
+"    }\n",
+    // CONFIGURATION 12
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"pd-pools\": [\n"
+"                    {\n"
+"                        \"delegated-len\": 80,\n"
+"                        \"prefix\": \"2001:db8:1:01::\",\n"
+"                        \"prefix-len\": 72\n"
+"                    },\n"
+"                    {\n"
+"                        \"delegated-len\": 88,\n"
+"                        \"prefix\": \"2001:db8:1:02::\",\n"
+"                        \"prefix-len\": 72\n"
+"                    },\n"
+"                    {\n"
+"                        \"delegated-len\": 96,\n"
+"                        \"prefix\": \"3000:1:03::\",\n"
+"                        \"prefix-len\": 72\n"
+"                    }\n"
+"                ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:1:04::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:1::/40\",\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ]\n"
+"    }\n",
+    // CONFIGURATION 13
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"pd-pools\": [\n"
+"                    {\n"
+"                        \"delegated-len\": 64,\n"
+"                        \"prefix\": \"2001:db8:1::\",\n"
+"                        \"prefix-len\": 64\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:1::/64\",\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ]\n"
+"    }\n",
+    // CONFIGURATION 14
+"{\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"code\": 100,\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"ipv6-address\"\n"
+"            }\n"
+"        ]\n"
+"    }\n",
+    // CONFIGURATION 15
+"{\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"code\": 100,\n"
+"                \"name\": \"foo\",\n"
+"                \"record-types\": \"uint16, ipv4-address, ipv6-address, string\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"record\"\n"
+"            }\n"
+"        ]\n"
+"    }\n",
+    // CONFIGURATION 16
+"{\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"code\": 100,\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"uint32\"\n"
+"            },\n"
+"            {\n"
+"                \"code\": 101,\n"
+"                \"name\": \"foo-2\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"ipv4-address\"\n"
+"            }\n"
+"        ]\n"
+"    }\n",
+    // CONFIGURATION 17
+"{\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"array\": true,\n"
+"                \"code\": 100,\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"uint32\"\n"
+"            }\n"
+"        ]\n"
+"    }\n",
+    // CONFIGURATION 18
+"{\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"code\": 100,\n"
+"                \"encapsulate\": \"sub-opts-space\",\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"uint32\"\n"
+"            }\n"
+"        ]\n"
+"    }\n",
+    // CONFIGURATION 19
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"csv-format\": false,\n"
+"                \"data\": \"ABCDEF0105\",\n"
+"                \"name\": \"subscriber-id\"\n"
+"            },\n"
+"            {\n"
+"                \"data\": \"01\",\n"
+"                \"name\": \"preference\"\n"
+"            }\n"
+"        ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:1::/64\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 20
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"option-data\": [\n"
+"                    {\n"
+"                        \"csv-format\": false,\n"
+"                        \"data\": \"ABCDEF0105\",\n"
+"                        \"name\": \"subscriber-id\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"data\": \"01\",\n"
+"                        \"name\": \"preference\"\n"
+"                    }\n"
+"                ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:1::/64\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 21
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"csv-format\": false,\n"
+"                \"data\": \"ABCDEF0105\",\n"
+"                \"name\": \"subscriber-id\"\n"
+"            },\n"
+"            {\n"
+"                \"data\": \"1234\",\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"isc\"\n"
+"            }\n"
+"        ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"code\": 38,\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"uint32\"\n"
+"            }\n"
+"        ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:1::/64\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 22
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"data\": \"1234\",\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"isc\"\n"
+"            },\n"
+"            {\n"
+"                \"data\": \"192.168.2.1\",\n"
+"                \"name\": \"foo2\",\n"
+"                \"space\": \"isc\"\n"
+"            }\n"
+"        ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"code\": 110,\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"uint32\"\n"
+"            },\n"
+"            {\n"
+"                \"code\": 111,\n"
+"                \"name\": \"foo2\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"ipv4-address\"\n"
+"            }\n"
+"        ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 23
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"data\": \"11\",\n"
+"                \"name\": \"base-option\"\n"
+"            },\n"
+"            {\n"
+"                \"data\": \"1234\",\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"isc\"\n"
+"            },\n"
+"            {\n"
+"                \"data\": \"192.168.2.1\",\n"
+"                \"name\": \"foo2\",\n"
+"                \"space\": \"isc\"\n"
+"            }\n"
+"        ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"code\": 100,\n"
+"                \"encapsulate\": \"isc\",\n"
+"                \"name\": \"base-option\",\n"
+"                \"space\": \"dhcp6\",\n"
+"                \"type\": \"uint8\"\n"
+"            },\n"
+"            {\n"
+"                \"code\": 110,\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"uint32\"\n"
+"            },\n"
+"            {\n"
+"                \"code\": 111,\n"
+"                \"name\": \"foo2\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"ipv4-address\"\n"
+"            }\n"
+"        ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:1::/64\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 24
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"option-data\": [\n"
+"                    {\n"
+"                        \"csv-format\": false,\n"
+"                        \"data\": \"0102030405060708090A\",\n"
+"                        \"name\": \"subscriber-id\"\n"
+"                    }\n"
+"                ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:1::/64\"\n"
+"            },\n"
+"            {\n"
+"                \"option-data\": [\n"
+"                    {\n"
+"                        \"csv-format\": false,\n"
+"                        \"data\": \"FFFEFDFCFB\",\n"
+"                        \"name\": \"user-class\"\n"
+"                    }\n"
+"                ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:2::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:2::/64\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 25
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"pd-pools\": [\n"
+"                    {\n"
+"                        \"delegated-len\": 64,\n"
+"                        \"option-data\": [\n"
+"                            {\n"
+"                                \"csv-format\": false,\n"
+"                                \"data\": \"112233445566\",\n"
+"                                \"name\": \"subscriber-id\"\n"
+"                            }\n"
+"                        ],\n"
+"                        \"prefix\": \"3000::\",\n"
+"                        \"prefix-len\": 48\n"
+"                    },\n"
+"                    {\n"
+"                        \"delegated-len\": 64,\n"
+"                        \"option-data\": [\n"
+"                            {\n"
+"                                \"csv-format\": false,\n"
+"                                \"data\": \"aabbccddee\",\n"
+"                                \"name\": \"user-class\"\n"
+"                            }\n"
+"                        ],\n"
+"                        \"prefix\": \"3001::\",\n"
+"                        \"prefix-len\": 48\n"
+"                    }\n"
+"                ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [\n"
+"                            {\n"
+"                                \"csv-format\": false,\n"
+"                                \"data\": \"0102030405060708090A\",\n"
+"                                \"name\": \"subscriber-id\"\n"
+"                            }\n"
+"                        ],\n"
+"                        \"pool\": \"2001:db8:1::10 - 2001:db8:1::100\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"option-data\": [\n"
+"                            {\n"
+"                                \"csv-format\": false,\n"
+"                                \"data\": \"FFFEFDFCFB\",\n"
+"                                \"name\": \"user-class\"\n"
+"                            }\n"
+"                        ],\n"
+"                        \"pool\": \"2001:db8:1::300 - 2001:db8:1::400\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:1::/64\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 26
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"code\": 100,\n"
+"                \"csv-format\": false,\n"
+"                \"data\": \"ABCDEF0105\",\n"
+"                \"name\": \"option-one\",\n"
+"                \"space\": \"vendor-4491\"\n"
+"            },\n"
+"            {\n"
+"                \"code\": 100,\n"
+"                \"csv-format\": false,\n"
+"                \"data\": \"1234\",\n"
+"                \"name\": \"option-two\",\n"
+"                \"space\": \"vendor-1234\"\n"
+"            }\n"
+"        ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:1::/64\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 27
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"code\": 100,\n"
+"                \"data\": \"this is a string vendor-opt\",\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"vendor-4491\"\n"
+"            }\n"
+"        ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"code\": 100,\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"vendor-4491\",\n"
+"                \"type\": \"string\"\n"
+"            }\n"
+"        ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:1::/64\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 28
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"eth0\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 29
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"eth0\", \"eth1\", \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 30
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:1::1 - 2001:db8:1::ffff\"\n"
+"                    }\n"
+"                ],\n"
+"                \"relay\": {\n"
+"                    \"ip-address\": \"2001:db8:1::abcd\"\n"
+"                },\n"
+"                \"subnet\": \"2001:db8:1::/64\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 31
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:1::1 - 2001:db8:1::ffff\"\n"
+"                    }\n"
+"                ],\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ \"2001:db9::abcd\", \"2001:db9::abce\" ]\n"
+"                },\n"
+"                \"subnet\": \"2001:db8:1::/64\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 32
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"client-class\": \"alpha\",\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:1::/64\"\n"
+"            },\n"
+"            {\n"
+"                \"client-class\": \"beta\",\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:2::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:2::/64\"\n"
+"            },\n"
+"            {\n"
+"                \"client-class\": \"gamma\",\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:3::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:3::/64\"\n"
+"            },\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:4::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:4::/64\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 33
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"client-class\": \"alpha\",\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"client-class\": \"beta\",\n"
+"                        \"pool\": \"2001:db8:2::/80\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"client-class\": \"gamma\",\n"
+"                        \"pool\": \"2001:db8:3::/80\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:4::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:0::/40\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 34
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"pd-pools\": [\n"
+"                    {\n"
+"                        \"client-class\": \"alpha\",\n"
+"                        \"delegated-len\": 64,\n"
+"                        \"prefix\": \"2001:db8:1::\",\n"
+"                        \"prefix-len\": 48\n"
+"                    },\n"
+"                    {\n"
+"                        \"client-class\": \"beta\",\n"
+"                        \"delegated-len\": 64,\n"
+"                        \"prefix\": \"2001:db8:2::\",\n"
+"                        \"prefix-len\": 48\n"
+"                    },\n"
+"                    {\n"
+"                        \"client-class\": \"gamma\",\n"
+"                        \"delegated-len\": 64,\n"
+"                        \"prefix\": \"2001:db8:3::\",\n"
+"                        \"prefix-len\": 48\n"
+"                    },\n"
+"                    {\n"
+"                        \"delegated-len\": 64,\n"
+"                        \"prefix\": \"2001:db8:4::\",\n"
+"                        \"prefix-len\": 48\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8::/64\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 35
+"{\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": true,\n"
+"            \"max-queue-size\": 2048,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"3001::2\",\n"
+"            \"sender-port\": 778,\n"
+"            \"server-ip\": \"3001::1\",\n"
+"            \"server-port\": 777\n"
+"        },\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:1::/64\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 36
+"{\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": true,\n"
+"            \"generated-prefix\": \"test.prefix\",\n"
+"            \"hostname-char-replacement\": \"x\",\n"
+"            \"hostname-char-set\": \"[^A-Z]\",\n"
+"            \"max-queue-size\": 2048,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"override-client-update\": true,\n"
+"            \"override-no-update\": true,\n"
+"            \"qualifying-suffix\": \"test.suffix.\",\n"
+"            \"replace-client-name\": \"when-present\",\n"
+"            \"sender-ip\": \"3001::2\",\n"
+"            \"sender-port\": 778,\n"
+"            \"server-ip\": \"3001::1\",\n"
+"            \"server-port\": 777\n"
+"        },\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:1::/64\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 37
+"{\n"
+"        \"ddns-generated-prefix\": \"global.prefix\",\n"
+"        \"ddns-override-client-update\": true,\n"
+"        \"ddns-override-no-update\": true,\n"
+"        \"ddns-qualifying-suffix\": \"global.suffix.\",\n"
+"        \"ddns-replace-client-name\": \"always\",\n"
+"        \"ddns-send-updates\": false,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": true,\n"
+"            \"generated-prefix\": \"d2.prefix\",\n"
+"            \"hostname-char-replacement\": \"z\",\n"
+"            \"hostname-char-set\": \"[^0-9]\",\n"
+"            \"max-queue-size\": 2048,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"override-client-update\": false,\n"
+"            \"override-no-update\": false,\n"
+"            \"qualifying-suffix\": \"d2.suffix.\",\n"
+"            \"replace-client-name\": \"when-present\",\n"
+"            \"sender-ip\": \"3001::2\",\n"
+"            \"sender-port\": 778,\n"
+"            \"server-ip\": \"3001::1\",\n"
+"            \"server-port\": 777\n"
+"        },\n"
+"        \"hostname-char-replacement\": \"x\",\n"
+"        \"hostname-char-set\": \"[^A-Z]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:1::/64\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 38
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"id\": 123,\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"reservations\": [ ],\n"
+"                \"subnet\": \"2001:db8:1::/64\"\n"
+"            },\n"
+"            {\n"
+"                \"id\": 234,\n"
+"                \"pools\": [ ],\n"
+"                \"reservations\": [\n"
+"                    {\n"
+"                        \"duid\": \"01:02:03:04:05:06:07:08:09:0A\",\n"
+"                        \"hostname\": \"\",\n"
+"                        \"ip-addresses\": [ \"2001:db8:2::1234\" ],\n"
+"                        \"option-data\": [\n"
+"                            {\n"
+"                                \"data\": \"2001:db8:2::1111\",\n"
+"                                \"name\": \"dns-servers\"\n"
+"                            },\n"
+"                            {\n"
+"                                \"data\": \"11\",\n"
+"                                \"name\": \"preference\"\n"
+"                            }\n"
+"                        ]\n"
+"                    },\n"
+"                    {\n"
+"                        \"hostname\": \"\",\n"
+"                        \"hw-address\": \"01:02:03:04:05:06\",\n"
+"                        \"ip-addresses\": [ \"2001:db8:2::abcd\" ],\n"
+"                        \"option-data\": [\n"
+"                            {\n"
+"                                \"data\": \"2001:db8:2::abbc\",\n"
+"                                \"name\": \"dns-servers\"\n"
+"                            },\n"
+"                            {\n"
+"                                \"data\": \"25\",\n"
+"                                \"name\": \"preference\"\n"
+"                            }\n"
+"                        ]\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:2::/64\"\n"
+"            },\n"
+"            {\n"
+"                \"id\": 542,\n"
+"                \"pools\": [ ],\n"
+"                \"reservations\": [\n"
+"                    {\n"
+"                        \"duid\": \"0A:09:08:07:06:05:04:03:02:01\",\n"
+"                        \"hostname\": \"\",\n"
+"                        \"option-data\": [\n"
+"                            {\n"
+"                                \"data\": \"2001:db8:3::3333\",\n"
+"                                \"name\": \"dns-servers\"\n"
+"                            },\n"
+"                            {\n"
+"                                \"data\": \"33\",\n"
+"                                \"name\": \"preference\"\n"
+"                            }\n"
+"                        ],\n"
+"                        \"prefixes\": [ \"2001:db8:3:2::/96\" ]\n"
+"                    },\n"
+"                    {\n"
+"                        \"hostname\": \"\",\n"
+"                        \"hw-address\": \"06:05:04:03:02:01\",\n"
+"                        \"prefixes\": [ \"2001:db8:3:1::/96\" ]\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:3::/64\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 39
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"code\": 100,\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"uint32\"\n"
+"            }\n"
+"        ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"id\": 234,\n"
+"                \"pools\": [ ],\n"
+"                \"reservations\": [\n"
+"                    {\n"
+"                        \"duid\": \"01:02:03:04:05:06:07:08:09:0A\",\n"
+"                        \"hostname\": \"\",\n"
+"                        \"ip-addresses\": [ \"2001:db8:2::1234\" ],\n"
+"                        \"option-data\": [\n"
+"                            {\n"
+"                                \"data\": \"11\",\n"
+"                                \"name\": \"foo\",\n"
+"                                \"space\": \"isc\"\n"
+"                            }\n"
+"                        ]\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:2::/64\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 40
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"mac-sources\": [ \"rfc6939\", \"rfc4649\", \"rfc4580\" ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [ ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 41
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"mac-sources\": [ \"client-link-addr-option\", \"remote-id\", \"subscriber-id\" ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [ ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 42
+"{\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:1::/64\"\n"
+"                    }\n"
+"                ],\n"
+"                \"reservations-global\": false,\n"
+"                \"reservations-in-subnet\": true,\n"
+"                \"reservations-out-of-pool\": false,\n"
+"                \"subnet\": \"2001:db8:1::/48\"\n"
+"            },\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:2::/64\"\n"
+"                    }\n"
+"                ],\n"
+"                \"reservations-global\": false,\n"
+"                \"reservations-in-subnet\": true,\n"
+"                \"reservations-out-of-pool\": true,\n"
+"                \"subnet\": \"2001:db8:2::/48\"\n"
+"            },\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:3::/64\"\n"
+"                    }\n"
+"                ],\n"
+"                \"reservations-global\": false,\n"
+"                \"reservations-in-subnet\": false,\n"
+"                \"subnet\": \"2001:db8:3::/48\"\n"
+"            },\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:4::/64\"\n"
+"                    }\n"
+"                ],\n"
+"                \"reservations-global\": true,\n"
+"                \"reservations-in-subnet\": false,\n"
+"                \"subnet\": \"2001:db8:4::/48\"\n"
+"            },\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:5::/64\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:5::/48\"\n"
+"            },\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:6::/64\"\n"
+"                    }\n"
+"                ],\n"
+"                \"reservations-global\": true,\n"
+"                \"reservations-in-subnet\": true,\n"
+"                \"reservations-out-of-pool\": false,\n"
+"                \"subnet\": \"2001:db8:6::/48\"\n"
+"            },\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:7::/64\"\n"
+"                    }\n"
+"                ],\n"
+"                \"reservations-global\": true,\n"
+"                \"reservations-in-subnet\": true,\n"
+"                \"reservations-out-of-pool\": true,\n"
+"                \"subnet\": \"2001:db8:7::/48\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 43
+"{\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": true,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:1::/64\"\n"
+"                    }\n"
+"                ],\n"
+"                \"reservations-global\": false,\n"
+"                \"reservations-in-subnet\": true,\n"
+"                \"reservations-out-of-pool\": false,\n"
+"                \"subnet\": \"2001:db8:1::/48\"\n"
+"            },\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:2::/64\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:2::/48\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 44
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"dns-servers\", \"remote-id\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [ ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 45
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"subnet6\": [ ]\n"
+"    }\n",
+    // CONFIGURATION 46
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"subnet6\": [ ]\n"
+"    }\n",
+    // CONFIGURATION 47
+"{\n"
+"        \"decline-probation-period\": 12345,\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"subnet6\": [ ]\n"
+"    }\n",
+    // CONFIGURATION 48
+"{\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 35,\n"
+"            \"hold-reclaimed-time\": 1800,\n"
+"            \"max-reclaim-leases\": 50,\n"
+"            \"max-reclaim-time\": 100,\n"
+"            \"reclaim-timer-wait-time\": 20,\n"
+"            \"unwarned-reclaim-cycles\": 10\n"
+"        },\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"subnet6\": [ ]\n"
+"    }\n",
+    // CONFIGURATION 49
+"{\n"
+"        \"client-classes\": [\n"
+"            {\n"
+"                \"name\": \"one\"\n"
+"            },\n"
+"            {\n"
+"                \"name\": \"two\"\n"
+"            },\n"
+"            {\n"
+"                \"name\": \"three\"\n"
+"            }\n"
+"        ],\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:1::1 - 2001:db8:1::ffff\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8:1::/64\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 50
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8::/64\"\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8::/32\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 51
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8::/64\",\n"
+"                        \"user-context\": { }\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8::/32\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 52
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8::/64\",\n"
+"                        \"user-context\": {\n"
+"                            \"lw4over6-bind-prefix-len\": 56,\n"
+"                            \"lw4over6-sharing-ratio\": 64,\n"
+"                            \"lw4over6-sysports-exclude\": true,\n"
+"                            \"lw4over6-v4-pool\": \"192.0.2.0/24\"\n"
+"                        }\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8::/32\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 53
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:: - 2001:db8::ffff:ffff:ffff:ffff\",\n"
+"                        \"user-context\": {\n"
+"                            \"lw4over6-bind-prefix-len\": 56,\n"
+"                            \"lw4over6-sharing-ratio\": 64,\n"
+"                            \"lw4over6-sysports-exclude\": true,\n"
+"                            \"lw4over6-v4-pool\": \"192.0.2.0/24\"\n"
+"                        }\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8::/32\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 54
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"pd-pools\": [\n"
+"                    {\n"
+"                        \"delegated-len\": 64,\n"
+"                        \"prefix\": \"2001:db8::\",\n"
+"                        \"prefix-len\": 56\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8::/32\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 55
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"pd-pools\": [\n"
+"                    {\n"
+"                        \"delegated-len\": 64,\n"
+"                        \"prefix\": \"2001:db8::\",\n"
+"                        \"prefix-len\": 56,\n"
+"                        \"user-context\": { }\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8::/32\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 56
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"pd-pools\": [\n"
+"                    {\n"
+"                        \"delegated-len\": 64,\n"
+"                        \"prefix\": \"2001:db8::\",\n"
+"                        \"prefix-len\": 56,\n"
+"                        \"user-context\": {\n"
+"                            \"lw4over6-bind-prefix-len\": 56,\n"
+"                            \"lw4over6-sharing-ratio\": 64,\n"
+"                            \"lw4over6-sysports-exclude\": true,\n"
+"                            \"lw4over6-v4-pool\": \"192.0.2.0/24\"\n"
+"                        }\n"
+"                    }\n"
+"                ],\n"
+"                \"subnet\": \"2001:db8::/32\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 57
+"{\n"
+"        \"hosts-databases\": [\n"
+"            {\n"
+"                \"name\": \"keatest1\",\n"
+"                \"password\": \"keatest\",\n"
+"                \"type\": \"mysql\",\n"
+"                \"user\": \"keatest\"\n"
+"            },\n"
+"            {\n"
+"                \"name\": \"keatest2\",\n"
+"                \"password\": \"keatest\",\n"
+"                \"type\": \"mysql\",\n"
+"                \"user\": \"keatest\"\n"
+"            }\n"
+"        ],\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 58
+"{\n"
+"        \"client-classes\": [\n"
+"            {\n"
+"                \"name\": \"all\",\n"
+"                \"test\": \"'' == ''\",\n"
+"                \"user-context\": {\n"
+"                    \"comment\": \"match all\"\n"
+"                }\n"
+"            },\n"
+"            {\n"
+"                \"name\": \"none\"\n"
+"            },\n"
+"            {\n"
+"                \"name\": \"both\",\n"
+"                \"user-context\": {\n"
+"                    \"comment\": \"a comment\",\n"
+"                    \"version\": 1\n"
+"                }\n"
+"            }\n"
+"        ],\n"
+"        \"control-socket\": {\n"
+"            \"socket-name\": \"/tmp/kea6-ctrl-socket\",\n"
+"            \"socket-type\": \"unix\",\n"
+"            \"user-context\": {\n"
+"                \"comment\": \"Indirect comment\"\n"
+"            }\n"
+"        },\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"user-context\": {\n"
+"                \"comment\": \"No dynamic DNS\"\n"
+"            }\n"
+"        },\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false,\n"
+"            \"user-context\": {\n"
+"                \"comment\": \"Use wildcard\"\n"
+"            }\n"
+"        },\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"csv-format\": false,\n"
+"                \"data\": \"ABCDEF0105\",\n"
+"                \"name\": \"subscriber-id\",\n"
+"                \"user-context\": {\n"
+"                    \"comment\": \"Set option value\"\n"
+"                }\n"
+"            }\n"
+"        ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"code\": 100,\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"ipv6-address\",\n"
+"                \"user-context\": {\n"
+"                    \"comment\": \"An option definition\"\n"
+"                }\n"
+"            }\n"
+"        ],\n"
+"        \"server-id\": {\n"
+"            \"type\": \"LL\",\n"
+"            \"user-context\": {\n"
+"                \"comment\": \"DHCPv6 specific\"\n"
+"            }\n"
+"        },\n"
+"        \"shared-networks\": [\n"
+"            {\n"
+"                \"name\": \"foo\",\n"
+"                \"subnet6\": [\n"
+"                    {\n"
+"                        \"id\": 100,\n"
+"                        \"pd-pools\": [\n"
+"                            {\n"
+"                                \"delegated-len\": 64,\n"
+"                                \"prefix\": \"2001:db2::\",\n"
+"                                \"prefix-len\": 48,\n"
+"                                \"user-context\": {\n"
+"                                    \"comment\": \"A prefix pool\"\n"
+"                                }\n"
+"                            }\n"
+"                        ],\n"
+"                        \"pools\": [\n"
+"                            {\n"
+"                                \"pool\": \"2001:db1::/64\",\n"
+"                                \"user-context\": {\n"
+"                                    \"comment\": \"A pool\"\n"
+"                                }\n"
+"                            }\n"
+"                        ],\n"
+"                        \"reservations\": [\n"
+"                            {\n"
+"                                \"hostname\": \"foo.example.com\",\n"
+"                                \"hw-address\": \"AA:BB:CC:DD:EE:FF\",\n"
+"                                \"option-data\": [\n"
+"                                    {\n"
+"                                        \"data\": \"example.com\",\n"
+"                                        \"name\": \"domain-search\",\n"
+"                                        \"user-context\": {\n"
+"                                            \"comment\": \"An option in a reservation\"\n"
+"                                        }\n"
+"                                    }\n"
+"                                ],\n"
+"                                \"user-context\": {\n"
+"                                    \"comment\": \"A host reservation\"\n"
+"                                }\n"
+"                            }\n"
+"                        ],\n"
+"                        \"subnet\": \"2001:db1::/48\",\n"
+"                        \"user-context\": {\n"
+"                            \"comment\": \"A subnet\"\n"
+"                        }\n"
+"                    }\n"
+"                ],\n"
+"                \"user-context\": {\n"
+"                    \"comment\": \"A shared network\"\n"
+"                }\n"
+"            }\n"
+"        ],\n"
+"        \"user-context\": {\n"
+"            \"comment\": \"A DHCPv6 server\"\n"
+"        }\n"
+"    }\n",
+    // CONFIGURATION 59
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations\": [\n"
+"            {\n"
+"                \"duid\": \"01:02:03:04:05:06:07:08:09:0A\",\n"
+"                \"hostname\": \"\",\n"
+"                \"ip-addresses\": [ \"2001:db8:2::1234\" ],\n"
+"                \"option-data\": [\n"
+"                    {\n"
+"                        \"data\": \"2001:db8:2::1111\",\n"
+"                        \"name\": \"dns-servers\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"data\": \"11\",\n"
+"                        \"name\": \"preference\"\n"
+"                    }\n"
+"                ]\n"
+"            },\n"
+"            {\n"
+"                \"hostname\": \"\",\n"
+"                \"hw-address\": \"01:02:03:04:05:06\",\n"
+"                \"ip-addresses\": [ \"2001:db8:2::abcd\" ],\n"
+"                \"option-data\": [\n"
+"                    {\n"
+"                        \"data\": \"2001:db8:2::abbc\",\n"
+"                        \"name\": \"dns-servers\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"data\": \"25\",\n"
+"                        \"name\": \"preference\"\n"
+"                    }\n"
+"                ]\n"
+"            }\n"
+"        ],\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"id\": 123,\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"reservations\": [ ],\n"
+"                \"subnet\": \"2001:db8:1::/64\"\n"
+"            },\n"
+"            {\n"
+"                \"id\": 234,\n"
+"                \"pools\": [ ],\n"
+"                \"subnet\": \"2001:db8:2::/64\"\n"
+"            },\n"
+"            {\n"
+"                \"id\": 542,\n"
+"                \"pools\": [ ],\n"
+"                \"subnet\": \"2001:db8:3::/64\"\n"
+"            }\n"
+"        ],\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 60
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"renew-timer\": 1000,\n"
+"        \"statistic-default-sample-age\": 5,\n"
+"        \"statistic-default-sample-count\": 10,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 61
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"subnet6\": [ ]\n"
+"    }\n",
+    // CONFIGURATION 62
+"{\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": true,\n"
+"            \"packet-queue-size\": 1024,\n"
+"            \"thread-pool-size\": 48\n"
+"        },\n"
+"        \"subnet6\": [ ]\n"
+"    }\n"
 };
 
 /// @brief unparsed configurations
 const char* UNPARSED_CONFIGS[] = {
-        ///put this after const char* UNPARSED_CONFIGS[] = {
-            // CONFIGURATION 0
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 1
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"max-preferred-lifetime\": 4000,\n"
-        "        \"max-valid-lifetime\": 5000,\n"
-        "        \"min-preferred-lifetime\": 2000,\n"
-        "        \"min-valid-lifetime\": 3000,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"max-preferred-lifetime\": 4000,\n"
-        "                \"max-valid-lifetime\": 5000,\n"
-        "                \"min-preferred-lifetime\": 2000,\n"
-        "                \"min-valid-lifetime\": 3000,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:1::1-2001:db8:1::ffff\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:1::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 2
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:1::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 2,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:2::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:2::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 3,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:3::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:3::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 4,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:4::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:4::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 3
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:3::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:3::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 34,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:4::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:4::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 100,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:2::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:2::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1024,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:1::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 4
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:1::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 2,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:2::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:2::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 3,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:3::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:3::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 4,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:4::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:4::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 5
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"max-preferred-lifetime\": 4000,\n"
-        "        \"max-valid-lifetime\": 5000,\n"
-        "        \"min-preferred-lifetime\": 2000,\n"
-        "        \"min-valid-lifetime\": 3000,\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"max-preferred-lifetime\": 4,\n"
-        "                \"max-valid-lifetime\": 5,\n"
-        "                \"min-preferred-lifetime\": 2,\n"
-        "                \"min-valid-lifetime\": 3,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:1::1-2001:db8:1::ffff\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:1::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 6
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"interface\": \"eth0\",\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:1::1-2001:db8:1::ffff\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:1::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 7
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"interface-id\": \"foobar\",\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:1::1-2001:db8:1::ffff\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:1::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 8
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:1::/96\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:1:0:abcd::/112\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:1::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 2,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:2::1-2001:db8:2::ff\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:2::300/120\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:2::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 9
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:1::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 10
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [\n"
-        "                    {\n"
-        "                        \"delegated-len\": 128,\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"prefix\": \"2001:db8:1::\",\n"
-        "                        \"prefix-len\": 64\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"pools\": [ ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:1::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 7200\n"
-        "    }\n",
-            // CONFIGURATION 11
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [\n"
-        "                    {\n"
-        "                        \"delegated-len\": 64,\n"
-        "                        \"excluded-prefix\": \"3000::1000:0:0:0\",\n"
-        "                        \"excluded-prefix-len\": 72,\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"prefix\": \"3000::\",\n"
-        "                        \"prefix-len\": 48\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"pools\": [ ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:1::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 7200\n"
-        "    }\n",
-            // CONFIGURATION 12
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [\n"
-        "                    {\n"
-        "                        \"delegated-len\": 80,\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"prefix\": \"2001:db8:1:1::\",\n"
-        "                        \"prefix-len\": 72\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"delegated-len\": 88,\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"prefix\": \"2001:db8:1:2::\",\n"
-        "                        \"prefix-len\": 72\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"delegated-len\": 96,\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"prefix\": \"3000:1:3::\",\n"
-        "                        \"prefix-len\": 72\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:1:4::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:1::/40\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 7200\n"
-        "    }\n",
-            // CONFIGURATION 13
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [\n"
-        "                    {\n"
-        "                        \"delegated-len\": 64,\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"prefix\": \"2001:db8:1::\",\n"
-        "                        \"prefix-len\": 64\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"pools\": [ ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:1::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 7200\n"
-        "    }\n",
-            // CONFIGURATION 14
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"array\": false,\n"
-        "                \"code\": 100,\n"
-        "                \"encapsulate\": \"\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"record-types\": \"\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"ipv6-address\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"preferred-lifetime\": 3600,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 7200\n"
-        "    }\n",
-            // CONFIGURATION 15
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"array\": false,\n"
-        "                \"code\": 100,\n"
-        "                \"encapsulate\": \"\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"record-types\": \"uint16, ipv4-address, ipv6-address, string\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"record\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"preferred-lifetime\": 3600,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 7200\n"
-        "    }\n",
-            // CONFIGURATION 16
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"array\": false,\n"
-        "                \"code\": 100,\n"
-        "                \"encapsulate\": \"\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"record-types\": \"\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"uint32\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"array\": false,\n"
-        "                \"code\": 101,\n"
-        "                \"encapsulate\": \"\",\n"
-        "                \"name\": \"foo-2\",\n"
-        "                \"record-types\": \"\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"ipv4-address\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"preferred-lifetime\": 3600,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 7200\n"
-        "    }\n",
-            // CONFIGURATION 17
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"array\": true,\n"
-        "                \"code\": 100,\n"
-        "                \"encapsulate\": \"\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"record-types\": \"\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"uint32\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"preferred-lifetime\": 3600,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 7200\n"
-        "    }\n",
-            // CONFIGURATION 18
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"array\": false,\n"
-        "                \"code\": 100,\n"
-        "                \"encapsulate\": \"sub-opts-space\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"record-types\": \"\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"uint32\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"preferred-lifetime\": 3600,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 7200\n"
-        "    }\n",
-            // CONFIGURATION 19
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"always-send\": false,\n"
-        "                \"code\": 38,\n"
-        "                \"csv-format\": false,\n"
-        "                \"data\": \"ABCDEF0105\",\n"
-        "                \"name\": \"subscriber-id\",\n"
-        "                \"space\": \"dhcp6\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"always-send\": false,\n"
-        "                \"code\": 7,\n"
-        "                \"csv-format\": true,\n"
-        "                \"data\": \"01\",\n"
-        "                \"name\": \"preference\",\n"
-        "                \"space\": \"dhcp6\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:1::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 20
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [\n"
-        "                    {\n"
-        "                        \"always-send\": false,\n"
-        "                        \"code\": 38,\n"
-        "                        \"csv-format\": false,\n"
-        "                        \"data\": \"ABCDEF0105\",\n"
-        "                        \"name\": \"subscriber-id\",\n"
-        "                        \"space\": \"dhcp6\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"always-send\": false,\n"
-        "                        \"code\": 7,\n"
-        "                        \"csv-format\": true,\n"
-        "                        \"data\": \"01\",\n"
-        "                        \"name\": \"preference\",\n"
-        "                        \"space\": \"dhcp6\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:1::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 21
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"always-send\": false,\n"
-        "                \"code\": 38,\n"
-        "                \"csv-format\": false,\n"
-        "                \"data\": \"ABCDEF0105\",\n"
-        "                \"name\": \"subscriber-id\",\n"
-        "                \"space\": \"dhcp6\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"always-send\": false,\n"
-        "                \"code\": 38,\n"
-        "                \"csv-format\": true,\n"
-        "                \"data\": \"1234\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"isc\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"array\": false,\n"
-        "                \"code\": 38,\n"
-        "                \"encapsulate\": \"\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"record-types\": \"\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"uint32\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:1::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 22
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"always-send\": false,\n"
-        "                \"code\": 110,\n"
-        "                \"csv-format\": true,\n"
-        "                \"data\": \"1234\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"isc\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"always-send\": false,\n"
-        "                \"code\": 111,\n"
-        "                \"csv-format\": true,\n"
-        "                \"data\": \"192.168.2.1\",\n"
-        "                \"name\": \"foo2\",\n"
-        "                \"space\": \"isc\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"array\": false,\n"
-        "                \"code\": 110,\n"
-        "                \"encapsulate\": \"\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"record-types\": \"\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"uint32\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"array\": false,\n"
-        "                \"code\": 111,\n"
-        "                \"encapsulate\": \"\",\n"
-        "                \"name\": \"foo2\",\n"
-        "                \"record-types\": \"\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"ipv4-address\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 23
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"always-send\": false,\n"
-        "                \"code\": 100,\n"
-        "                \"csv-format\": true,\n"
-        "                \"data\": \"11\",\n"
-        "                \"name\": \"base-option\",\n"
-        "                \"space\": \"dhcp6\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"always-send\": false,\n"
-        "                \"code\": 110,\n"
-        "                \"csv-format\": true,\n"
-        "                \"data\": \"1234\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"isc\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"always-send\": false,\n"
-        "                \"code\": 111,\n"
-        "                \"csv-format\": true,\n"
-        "                \"data\": \"192.168.2.1\",\n"
-        "                \"name\": \"foo2\",\n"
-        "                \"space\": \"isc\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"array\": false,\n"
-        "                \"code\": 100,\n"
-        "                \"encapsulate\": \"isc\",\n"
-        "                \"name\": \"base-option\",\n"
-        "                \"record-types\": \"\",\n"
-        "                \"space\": \"dhcp6\",\n"
-        "                \"type\": \"uint8\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"array\": false,\n"
-        "                \"code\": 110,\n"
-        "                \"encapsulate\": \"\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"record-types\": \"\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"uint32\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"array\": false,\n"
-        "                \"code\": 111,\n"
-        "                \"encapsulate\": \"\",\n"
-        "                \"name\": \"foo2\",\n"
-        "                \"record-types\": \"\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"ipv4-address\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:1::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 24
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [\n"
-        "                    {\n"
-        "                        \"always-send\": false,\n"
-        "                        \"code\": 38,\n"
-        "                        \"csv-format\": false,\n"
-        "                        \"data\": \"0102030405060708090A\",\n"
-        "                        \"name\": \"subscriber-id\",\n"
-        "                        \"space\": \"dhcp6\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:1::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 2,\n"
-        "                \"option-data\": [\n"
-        "                    {\n"
-        "                        \"always-send\": false,\n"
-        "                        \"code\": 15,\n"
-        "                        \"csv-format\": false,\n"
-        "                        \"data\": \"FFFEFDFCFB\",\n"
-        "                        \"name\": \"user-class\",\n"
-        "                        \"space\": \"dhcp6\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:2::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:2::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 25
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [\n"
-        "                    {\n"
-        "                        \"delegated-len\": 64,\n"
-        "                        \"option-data\": [\n"
-        "                            {\n"
-        "                                \"always-send\": false,\n"
-        "                                \"code\": 38,\n"
-        "                                \"csv-format\": false,\n"
-        "                                \"data\": \"112233445566\",\n"
-        "                                \"name\": \"subscriber-id\",\n"
-        "                                \"space\": \"dhcp6\"\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"prefix\": \"3000::\",\n"
-        "                        \"prefix-len\": 48\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"delegated-len\": 64,\n"
-        "                        \"option-data\": [\n"
-        "                            {\n"
-        "                                \"always-send\": false,\n"
-        "                                \"code\": 15,\n"
-        "                                \"csv-format\": false,\n"
-        "                                \"data\": \"AABBCCDDEE\",\n"
-        "                                \"name\": \"user-class\",\n"
-        "                                \"space\": \"dhcp6\"\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"prefix\": \"3001::\",\n"
-        "                        \"prefix-len\": 48\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [\n"
-        "                            {\n"
-        "                                \"always-send\": false,\n"
-        "                                \"code\": 38,\n"
-        "                                \"csv-format\": false,\n"
-        "                                \"data\": \"0102030405060708090A\",\n"
-        "                                \"name\": \"subscriber-id\",\n"
-        "                                \"space\": \"dhcp6\"\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"pool\": \"2001:db8:1::10-2001:db8:1::100\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"option-data\": [\n"
-        "                            {\n"
-        "                                \"always-send\": false,\n"
-        "                                \"code\": 15,\n"
-        "                                \"csv-format\": false,\n"
-        "                                \"data\": \"FFFEFDFCFB\",\n"
-        "                                \"name\": \"user-class\",\n"
-        "                                \"space\": \"dhcp6\"\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"pool\": \"2001:db8:1::300-2001:db8:1::400\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:1::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 26
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"always-send\": false,\n"
-        "                \"code\": 100,\n"
-        "                \"csv-format\": false,\n"
-        "                \"data\": \"1234\",\n"
-        "                \"space\": \"vendor-1234\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"always-send\": false,\n"
-        "                \"code\": 100,\n"
-        "                \"csv-format\": false,\n"
-        "                \"data\": \"ABCDEF0105\",\n"
-        "                \"space\": \"vendor-4491\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:1::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 27
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"always-send\": false,\n"
-        "                \"code\": 100,\n"
-        "                \"csv-format\": true,\n"
-        "                \"data\": \"this is a string vendor-opt\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"space\": \"vendor-4491\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"array\": false,\n"
-        "                \"code\": 100,\n"
-        "                \"encapsulate\": \"\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"record-types\": \"\",\n"
-        "                \"space\": \"vendor-4491\",\n"
-        "                \"type\": \"string\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:1::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 28
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"eth0\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 29
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\", \"eth0\", \"eth1\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 30
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:1::1-2001:db8:1::ffff\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ \"2001:db8:1::abcd\" ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:1::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 31
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:1::1-2001:db8:1::ffff\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ \"2001:db9::abcd\", \"2001:db9::abce\" ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:1::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 32
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"client-class\": \"alpha\",\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:1::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"client-class\": \"beta\",\n"
-        "                \"id\": 2,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:2::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:2::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"client-class\": \"gamma\",\n"
-        "                \"id\": 3,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:3::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:3::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 4,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:4::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:4::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 33
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"client-class\": \"alpha\",\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"client-class\": \"beta\",\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:2::/80\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"client-class\": \"gamma\",\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:3::/80\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:4::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8::/40\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 34
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [\n"
-        "                    {\n"
-        "                        \"client-class\": \"alpha\",\n"
-        "                        \"delegated-len\": 64,\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"prefix\": \"2001:db8:1::\",\n"
-        "                        \"prefix-len\": 48\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"client-class\": \"beta\",\n"
-        "                        \"delegated-len\": 64,\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"prefix\": \"2001:db8:2::\",\n"
-        "                        \"prefix-len\": 48\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"client-class\": \"gamma\",\n"
-        "                        \"delegated-len\": 64,\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"prefix\": \"2001:db8:3::\",\n"
-        "                        \"prefix-len\": 48\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"delegated-len\": 64,\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"prefix\": \"2001:db8:4::\",\n"
-        "                        \"prefix-len\": 48\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"pools\": [ ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 35
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": true,\n"
-        "            \"max-queue-size\": 2048,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"3001::2\",\n"
-        "            \"sender-port\": 778,\n"
-        "            \"server-ip\": \"3001::1\",\n"
-        "            \"server-port\": 777\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:1::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 36
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"test.prefix\",\n"
-        "        \"ddns-override-client-update\": true,\n"
-        "        \"ddns-override-no-update\": true,\n"
-        "        \"ddns-qualifying-suffix\": \"test.suffix.\",\n"
-        "        \"ddns-replace-client-name\": \"when-present\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": true,\n"
-        "            \"max-queue-size\": 2048,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"3001::2\",\n"
-        "            \"sender-port\": 778,\n"
-        "            \"server-ip\": \"3001::1\",\n"
-        "            \"server-port\": 777\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"x\",\n"
-        "        \"hostname-char-set\": \"[^A-Z]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:1::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 37
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"global.prefix\",\n"
-        "        \"ddns-override-client-update\": true,\n"
-        "        \"ddns-override-no-update\": true,\n"
-        "        \"ddns-qualifying-suffix\": \"global.suffix.\",\n"
-        "        \"ddns-replace-client-name\": \"always\",\n"
-        "        \"ddns-send-updates\": false,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": true,\n"
-        "            \"max-queue-size\": 2048,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"3001::2\",\n"
-        "            \"sender-port\": 778,\n"
-        "            \"server-ip\": \"3001::1\",\n"
-        "            \"server-port\": 777\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"x\",\n"
-        "        \"hostname-char-set\": \"[^A-Z]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:1::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 38
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 123,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:1::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 234,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [ ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [\n"
-        "                    {\n"
-        "                        \"client-classes\": [ ],\n"
-        "                        \"hostname\": \"\",\n"
-        "                        \"hw-address\": \"01:02:03:04:05:06\",\n"
-        "                        \"ip-addresses\": [ \"2001:db8:2::abcd\" ],\n"
-        "                        \"option-data\": [\n"
-        "                            {\n"
-        "                                \"always-send\": false,\n"
-        "                                \"code\": 23,\n"
-        "                                \"csv-format\": true,\n"
-        "                                \"data\": \"2001:db8:2::abbc\",\n"
-        "                                \"name\": \"dns-servers\",\n"
-        "                                \"space\": \"dhcp6\"\n"
-        "                            },\n"
-        "                            {\n"
-        "                                \"always-send\": false,\n"
-        "                                \"code\": 7,\n"
-        "                                \"csv-format\": true,\n"
-        "                                \"data\": \"25\",\n"
-        "                                \"name\": \"preference\",\n"
-        "                                \"space\": \"dhcp6\"\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"prefixes\": [ ]\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"client-classes\": [ ],\n"
-        "                        \"duid\": \"01:02:03:04:05:06:07:08:09:0a\",\n"
-        "                        \"hostname\": \"\",\n"
-        "                        \"ip-addresses\": [ \"2001:db8:2::1234\" ],\n"
-        "                        \"option-data\": [\n"
-        "                            {\n"
-        "                                \"always-send\": false,\n"
-        "                                \"code\": 23,\n"
-        "                                \"csv-format\": true,\n"
-        "                                \"data\": \"2001:db8:2::1111\",\n"
-        "                                \"name\": \"dns-servers\",\n"
-        "                                \"space\": \"dhcp6\"\n"
-        "                            },\n"
-        "                            {\n"
-        "                                \"always-send\": false,\n"
-        "                                \"code\": 7,\n"
-        "                                \"csv-format\": true,\n"
-        "                                \"data\": \"11\",\n"
-        "                                \"name\": \"preference\",\n"
-        "                                \"space\": \"dhcp6\"\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"prefixes\": [ ]\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:2::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 542,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [ ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [\n"
-        "                    {\n"
-        "                        \"client-classes\": [ ],\n"
-        "                        \"hostname\": \"\",\n"
-        "                        \"hw-address\": \"06:05:04:03:02:01\",\n"
-        "                        \"ip-addresses\": [ ],\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"prefixes\": [ \"2001:db8:3:1::/96\" ]\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"client-classes\": [ ],\n"
-        "                        \"duid\": \"0a:09:08:07:06:05:04:03:02:01\",\n"
-        "                        \"hostname\": \"\",\n"
-        "                        \"ip-addresses\": [ ],\n"
-        "                        \"option-data\": [\n"
-        "                            {\n"
-        "                                \"always-send\": false,\n"
-        "                                \"code\": 23,\n"
-        "                                \"csv-format\": true,\n"
-        "                                \"data\": \"2001:db8:3::3333\",\n"
-        "                                \"name\": \"dns-servers\",\n"
-        "                                \"space\": \"dhcp6\"\n"
-        "                            },\n"
-        "                            {\n"
-        "                                \"always-send\": false,\n"
-        "                                \"code\": 7,\n"
-        "                                \"csv-format\": true,\n"
-        "                                \"data\": \"33\",\n"
-        "                                \"name\": \"preference\",\n"
-        "                                \"space\": \"dhcp6\"\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"prefixes\": [ \"2001:db8:3:2::/96\" ]\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:3::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 39
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"array\": false,\n"
-        "                \"code\": 100,\n"
-        "                \"encapsulate\": \"\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"record-types\": \"\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"uint32\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 234,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [ ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [\n"
-        "                    {\n"
-        "                        \"client-classes\": [ ],\n"
-        "                        \"duid\": \"01:02:03:04:05:06:07:08:09:0a\",\n"
-        "                        \"hostname\": \"\",\n"
-        "                        \"ip-addresses\": [ \"2001:db8:2::1234\" ],\n"
-        "                        \"option-data\": [\n"
-        "                            {\n"
-        "                                \"always-send\": false,\n"
-        "                                \"code\": 100,\n"
-        "                                \"csv-format\": true,\n"
-        "                                \"data\": \"11\",\n"
-        "                                \"name\": \"foo\",\n"
-        "                                \"space\": \"isc\"\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"prefixes\": [ ]\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:2::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 40
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"client-link-addr-option\", \"remote-id\", \"subscriber-id\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 41
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"client-link-addr-option\", \"remote-id\", \"subscriber-id\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 42
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:1::/64\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"reservations-global\": false,\n"
-        "                \"reservations-in-subnet\": true,\n"
-        "                \"reservations-out-of-pool\": false,\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:1::/48\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 2,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:2::/64\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"reservations-global\": false,\n"
-        "                \"reservations-in-subnet\": true,\n"
-        "                \"reservations-out-of-pool\": true,\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:2::/48\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 3,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:3::/64\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"reservations-global\": false,\n"
-        "                \"reservations-in-subnet\": false,\n"
-        "                \"reservations-out-of-pool\": false,\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:3::/48\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 4,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:4::/64\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"reservations-global\": true,\n"
-        "                \"reservations-in-subnet\": false,\n"
-        "                \"reservations-out-of-pool\": false,\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:4::/48\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 5,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:5::/64\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:5::/48\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 6,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:6::/64\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"reservations-global\": true,\n"
-        "                \"reservations-in-subnet\": true,\n"
-        "                \"reservations-out-of-pool\": false,\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:6::/48\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 7,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:7::/64\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"reservations-global\": true,\n"
-        "                \"reservations-in-subnet\": true,\n"
-        "                \"reservations-out-of-pool\": true,\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:7::/48\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 43
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": true,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:1::/64\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"reservations-global\": false,\n"
-        "                \"reservations-in-subnet\": true,\n"
-        "                \"reservations-out-of-pool\": false,\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:1::/48\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 2,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:2::/64\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:2::/48\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 44
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"23\", \"37\", \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 45
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3600,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 7200\n"
-        "    }\n",
-            // CONFIGURATION 46
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3600,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 7200\n"
-        "    }\n",
-            // CONFIGURATION 47
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 12345,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3600,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 7200\n"
-        "    }\n",
-            // CONFIGURATION 48
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 35,\n"
-        "            \"hold-reclaimed-time\": 1800,\n"
-        "            \"max-reclaim-leases\": 50,\n"
-        "            \"max-reclaim-time\": 100,\n"
-        "            \"reclaim-timer-wait-time\": 20,\n"
-        "            \"unwarned-reclaim-cycles\": 10\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3600,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 7200\n"
-        "    }\n",
-            // CONFIGURATION 49
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"client-classes\": [\n"
-        "            {\n"
-        "                \"name\": \"one\",\n"
-        "                \"option-data\": [ ]\n"
-        "            },\n"
-        "            {\n"
-        "                \"name\": \"two\",\n"
-        "                \"option-data\": [ ]\n"
-        "            },\n"
-        "            {\n"
-        "                \"name\": \"three\",\n"
-        "                \"option-data\": [ ]\n"
-        "            }\n"
-        "        ],\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:1::1-2001:db8:1::ffff\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:1::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 50
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8::/64\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8::/32\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 51
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8::/64\",\n"
-        "                        \"user-context\": { }\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8::/32\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 52
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8::/64\",\n"
-        "                        \"user-context\": {\n"
-        "                            \"lw4over6-bind-prefix-len\": 56,\n"
-        "                            \"lw4over6-sharing-ratio\": 64,\n"
-        "                            \"lw4over6-sysports-exclude\": true,\n"
-        "                            \"lw4over6-v4-pool\": \"192.0.2.0/24\"\n"
-        "                        }\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8::/32\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 53
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8::/64\",\n"
-        "                        \"user-context\": {\n"
-        "                            \"lw4over6-bind-prefix-len\": 56,\n"
-        "                            \"lw4over6-sharing-ratio\": 64,\n"
-        "                            \"lw4over6-sysports-exclude\": true,\n"
-        "                            \"lw4over6-v4-pool\": \"192.0.2.0/24\"\n"
-        "                        }\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8::/32\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 54
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [\n"
-        "                    {\n"
-        "                        \"delegated-len\": 64,\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"prefix\": \"2001:db8::\",\n"
-        "                        \"prefix-len\": 56\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"pools\": [ ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8::/32\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 55
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [\n"
-        "                    {\n"
-        "                        \"delegated-len\": 64,\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"prefix\": \"2001:db8::\",\n"
-        "                        \"prefix-len\": 56,\n"
-        "                        \"user-context\": { }\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"pools\": [ ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8::/32\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 56
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 1,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [\n"
-        "                    {\n"
-        "                        \"delegated-len\": 64,\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"prefix\": \"2001:db8::\",\n"
-        "                        \"prefix-len\": 56,\n"
-        "                        \"user-context\": {\n"
-        "                            \"lw4over6-bind-prefix-len\": 56,\n"
-        "                            \"lw4over6-sharing-ratio\": 64,\n"
-        "                            \"lw4over6-sysports-exclude\": true,\n"
-        "                            \"lw4over6-v4-pool\": \"192.0.2.0/24\"\n"
-        "                        }\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"pools\": [ ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8::/32\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 57
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"hosts-databases\": [\n"
-        "            {\n"
-        "                \"name\": \"keatest1\",\n"
-        "                \"password\": \"keatest\",\n"
-        "                \"type\": \"mysql\",\n"
-        "                \"user\": \"keatest\"\n"
-        "            },\n"
-        "            {\n"
-        "                \"name\": \"keatest2\",\n"
-        "                \"password\": \"keatest\",\n"
-        "                \"type\": \"mysql\",\n"
-        "                \"user\": \"keatest\"\n"
-        "            }\n"
-        "        ],\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 58
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"client-classes\": [\n"
-        "            {\n"
-        "                \"name\": \"all\",\n"
-        "                \"option-data\": [ ],\n"
-        "                \"test\": \"'' == ''\",\n"
-        "                \"user-context\": {\n"
-        "                    \"comment\": \"match all\"\n"
-        "                }\n"
-        "            },\n"
-        "            {\n"
-        "                \"name\": \"none\",\n"
-        "                \"option-data\": [ ]\n"
-        "            },\n"
-        "            {\n"
-        "                \"name\": \"both\",\n"
-        "                \"option-data\": [ ],\n"
-        "                \"user-context\": {\n"
-        "                    \"comment\": \"a comment\",\n"
-        "                    \"version\": 1\n"
-        "                }\n"
-        "            }\n"
-        "        ],\n"
-        "        \"control-socket\": {\n"
-        "            \"socket-name\": \"/tmp/kea6-ctrl-socket\",\n"
-        "            \"socket-type\": \"unix\",\n"
-        "            \"user-context\": {\n"
-        "                \"comment\": \"Indirect comment\"\n"
-        "            }\n"
-        "        },\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001,\n"
-        "            \"user-context\": {\n"
-        "                \"comment\": \"No dynamic DNS\"\n"
-        "            }\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false,\n"
-        "            \"user-context\": {\n"
-        "                \"comment\": \"Use wildcard\"\n"
-        "            }\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [\n"
-        "            {\n"
-        "                \"always-send\": false,\n"
-        "                \"code\": 38,\n"
-        "                \"csv-format\": false,\n"
-        "                \"data\": \"ABCDEF0105\",\n"
-        "                \"name\": \"subscriber-id\",\n"
-        "                \"space\": \"dhcp6\",\n"
-        "                \"user-context\": {\n"
-        "                    \"comment\": \"Set option value\"\n"
-        "                }\n"
-        "            }\n"
-        "        ],\n"
-        "        \"option-def\": [\n"
-        "            {\n"
-        "                \"array\": false,\n"
-        "                \"code\": 100,\n"
-        "                \"encapsulate\": \"\",\n"
-        "                \"name\": \"foo\",\n"
-        "                \"record-types\": \"\",\n"
-        "                \"space\": \"isc\",\n"
-        "                \"type\": \"ipv6-address\",\n"
-        "                \"user-context\": {\n"
-        "                    \"comment\": \"An option definition\"\n"
-        "                }\n"
-        "            }\n"
-        "        ],\n"
-        "        \"preferred-lifetime\": 3600,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LL\",\n"
-        "            \"user-context\": {\n"
-        "                \"comment\": \"DHCPv6 specific\"\n"
-        "            }\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"name\": \"foo\",\n"
-        "                \"option-data\": [ ],\n"
-        "                \"preferred-lifetime\": 3600,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet6\": [\n"
-        "                    {\n"
-        "                        \"calculate-tee-times\": true,\n"
-        "                        \"id\": 100,\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pd-pools\": [\n"
-        "                            {\n"
-        "                                \"delegated-len\": 64,\n"
-        "                                \"option-data\": [ ],\n"
-        "                                \"prefix\": \"2001:db2::\",\n"
-        "                                \"prefix-len\": 48,\n"
-        "                                \"user-context\": {\n"
-        "                                    \"comment\": \"A prefix pool\"\n"
-        "                                }\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"pools\": [\n"
-        "                            {\n"
-        "                                \"option-data\": [ ],\n"
-        "                                \"pool\": \"2001:db1::/64\",\n"
-        "                                \"user-context\": {\n"
-        "                                    \"comment\": \"A pool\"\n"
-        "                                }\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"preferred-lifetime\": 3600,\n"
-        "                        \"relay\": {\n"
-        "                            \"ip-addresses\": [ ]\n"
-        "                        },\n"
-        "                        \"reservations\": [\n"
-        "                            {\n"
-        "                                \"client-classes\": [ ],\n"
-        "                                \"hostname\": \"foo.example.com\",\n"
-        "                                \"hw-address\": \"aa:bb:cc:dd:ee:ff\",\n"
-        "                                \"ip-addresses\": [ ],\n"
-        "                                \"option-data\": [\n"
-        "                                    {\n"
-        "                                        \"always-send\": false,\n"
-        "                                        \"code\": 24,\n"
-        "                                        \"csv-format\": true,\n"
-        "                                        \"data\": \"example.com\",\n"
-        "                                        \"name\": \"domain-search\",\n"
-        "                                        \"space\": \"dhcp6\",\n"
-        "                                        \"user-context\": {\n"
-        "                                            \"comment\": \"An option in a reservation\"\n"
-        "                                        }\n"
-        "                                    }\n"
-        "                                ],\n"
-        "                                \"prefixes\": [ ],\n"
-        "                                \"user-context\": {\n"
-        "                                    \"comment\": \"A host reservation\"\n"
-        "                                }\n"
-        "                            }\n"
-        "                        ],\n"
-        "                        \"store-extended-info\": false,\n"
-        "                        \"subnet\": \"2001:db1::/48\",\n"
-        "                        \"t1-percent\": 0.5,\n"
-        "                        \"t2-percent\": 0.8,\n"
-        "                        \"user-context\": {\n"
-        "                            \"comment\": \"A subnet\"\n"
-        "                        },\n"
-        "                        \"valid-lifetime\": 7200\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"user-context\": {\n"
-        "                    \"comment\": \"A shared network\"\n"
-        "                },\n"
-        "                \"valid-lifetime\": 7200\n"
-        "            }\n"
-        "        ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"user-context\": {\n"
-        "            \"comment\": \"A DHCPv6 server\"\n"
-        "        },\n"
-        "        \"valid-lifetime\": 7200\n"
-        "    }\n",
-            // CONFIGURATION 59
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations\": [\n"
-        "            {\n"
-        "                \"client-classes\": [ ],\n"
-        "                \"hostname\": \"\",\n"
-        "                \"hw-address\": \"01:02:03:04:05:06\",\n"
-        "                \"ip-addresses\": [ \"2001:db8:2::abcd\" ],\n"
-        "                \"option-data\": [\n"
-        "                    {\n"
-        "                        \"always-send\": false,\n"
-        "                        \"code\": 23,\n"
-        "                        \"csv-format\": true,\n"
-        "                        \"data\": \"2001:db8:2::abbc\",\n"
-        "                        \"name\": \"dns-servers\",\n"
-        "                        \"space\": \"dhcp6\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"always-send\": false,\n"
-        "                        \"code\": 7,\n"
-        "                        \"csv-format\": true,\n"
-        "                        \"data\": \"25\",\n"
-        "                        \"name\": \"preference\",\n"
-        "                        \"space\": \"dhcp6\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"prefixes\": [ ]\n"
-        "            },\n"
-        "            {\n"
-        "                \"client-classes\": [ ],\n"
-        "                \"duid\": \"01:02:03:04:05:06:07:08:09:0a\",\n"
-        "                \"hostname\": \"\",\n"
-        "                \"ip-addresses\": [ \"2001:db8:2::1234\" ],\n"
-        "                \"option-data\": [\n"
-        "                    {\n"
-        "                        \"always-send\": false,\n"
-        "                        \"code\": 23,\n"
-        "                        \"csv-format\": true,\n"
-        "                        \"data\": \"2001:db8:2::1111\",\n"
-        "                        \"name\": \"dns-servers\",\n"
-        "                        \"space\": \"dhcp6\"\n"
-        "                    },\n"
-        "                    {\n"
-        "                        \"always-send\": false,\n"
-        "                        \"code\": 7,\n"
-        "                        \"csv-format\": true,\n"
-        "                        \"data\": \"11\",\n"
-        "                        \"name\": \"preference\",\n"
-        "                        \"space\": \"dhcp6\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"prefixes\": [ ]\n"
-        "            }\n"
-        "        ],\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 123,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [\n"
-        "                    {\n"
-        "                        \"option-data\": [ ],\n"
-        "                        \"pool\": \"2001:db8:1::/80\"\n"
-        "                    }\n"
-        "                ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:1::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 234,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [ ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:2::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            },\n"
-        "            {\n"
-        "                \"calculate-tee-times\": true,\n"
-        "                \"id\": 542,\n"
-        "                \"option-data\": [ ],\n"
-        "                \"pd-pools\": [ ],\n"
-        "                \"pools\": [ ],\n"
-        "                \"preferred-lifetime\": 3000,\n"
-        "                \"rapid-commit\": false,\n"
-        "                \"rebind-timer\": 2000,\n"
-        "                \"relay\": {\n"
-        "                    \"ip-addresses\": [ ]\n"
-        "                },\n"
-        "                \"renew-timer\": 1000,\n"
-        "                \"reservations\": [ ],\n"
-        "                \"store-extended-info\": false,\n"
-        "                \"subnet\": \"2001:db8:3::/64\",\n"
-        "                \"t1-percent\": 0.5,\n"
-        "                \"t2-percent\": 0.8,\n"
-        "                \"valid-lifetime\": 4000\n"
-        "            }\n"
-        "        ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 60
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3000,\n"
-        "        \"rebind-timer\": 2000,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"renew-timer\": 1000,\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 5,\n"
-        "        \"statistic-default-sample-count\": 10,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 4000\n"
-        "    }\n",
-            // CONFIGURATION 61
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": false,\n"
-        "            \"packet-queue-size\": 64,\n"
-        "            \"thread-pool-size\": 0\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3600,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 7200\n"
-        "    }\n",
-            // CONFIGURATION 62
-        "{\n"
-        "        \"calculate-tee-times\": true,\n"
-        "        \"ddns-generated-prefix\": \"myhost\",\n"
-        "        \"ddns-override-client-update\": false,\n"
-        "        \"ddns-override-no-update\": false,\n"
-        "        \"ddns-qualifying-suffix\": \"\",\n"
-        "        \"ddns-replace-client-name\": \"never\",\n"
-        "        \"ddns-send-updates\": true,\n"
-        "        \"ddns-update-on-renew\": false,\n"
-        "        \"ddns-use-conflict-resolution\": true,\n"
-        "        \"decline-probation-period\": 86400,\n"
-        "        \"dhcp-ddns\": {\n"
-        "            \"enable-updates\": false,\n"
-        "            \"max-queue-size\": 1024,\n"
-        "            \"ncr-format\": \"JSON\",\n"
-        "            \"ncr-protocol\": \"UDP\",\n"
-        "            \"sender-ip\": \"0.0.0.0\",\n"
-        "            \"sender-port\": 0,\n"
-        "            \"server-ip\": \"127.0.0.1\",\n"
-        "            \"server-port\": 53001\n"
-        "        },\n"
-        "        \"dhcp-queue-control\": {\n"
-        "            \"capacity\": 64,\n"
-        "            \"enable-queue\": false,\n"
-        "            \"queue-type\": \"kea-ring6\"\n"
-        "        },\n"
-        "        \"dhcp4o6-port\": 0,\n"
-        "        \"expired-leases-processing\": {\n"
-        "            \"flush-reclaimed-timer-wait-time\": 25,\n"
-        "            \"hold-reclaimed-time\": 3600,\n"
-        "            \"max-reclaim-leases\": 100,\n"
-        "            \"max-reclaim-time\": 250,\n"
-        "            \"reclaim-timer-wait-time\": 10,\n"
-        "            \"unwarned-reclaim-cycles\": 5\n"
-        "        },\n"
-        "        \"hooks-libraries\": [ ],\n"
-        "        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
-        "        \"hostname-char-replacement\": \"\",\n"
-        "        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
-        "        \"interfaces-config\": {\n"
-        "            \"interfaces\": [ \"*\" ],\n"
-        "            \"re-detect\": false\n"
-        "        },\n"
-        "        \"ip-reservations-unique\": true,\n"
-        "        \"lease-database\": {\n"
-        "            \"type\": \"memfile\"\n"
-        "        },\n"
-        "        \"mac-sources\": [ \"any\" ],\n"
-        "        \"multi-threading\": {\n"
-        "            \"enable-multi-threading\": true,\n"
-        "            \"packet-queue-size\": 1024,\n"
-        "            \"thread-pool-size\": 48\n"
-        "        },\n"
-        "        \"option-data\": [ ],\n"
-        "        \"option-def\": [ ],\n"
-        "        \"preferred-lifetime\": 3600,\n"
-        "        \"relay-supplied-options\": [ \"65\" ],\n"
-        "        \"reservations-global\": false,\n"
-        "        \"reservations-in-subnet\": true,\n"
-        "        \"reservations-out-of-pool\": false,\n"
-        "        \"sanity-checks\": {\n"
-        "            \"lease-checks\": \"warn\"\n"
-        "        },\n"
-        "        \"server-id\": {\n"
-        "            \"enterprise-id\": 0,\n"
-        "            \"htype\": 0,\n"
-        "            \"identifier\": \"\",\n"
-        "            \"persist\": true,\n"
-        "            \"time\": 0,\n"
-        "            \"type\": \"LLT\"\n"
-        "        },\n"
-        "        \"server-tag\": \"\",\n"
-        "        \"shared-networks\": [ ],\n"
-        "        \"statistic-default-sample-age\": 0,\n"
-        "        \"statistic-default-sample-count\": 20,\n"
-        "        \"store-extended-info\": false,\n"
-        "        \"subnet6\": [ ],\n"
-        "        \"t1-percent\": 0.5,\n"
-        "        \"t2-percent\": 0.8,\n"
-        "        \"valid-lifetime\": 7200\n"
-        "    }\n"
+///put this after const char* UNPARSED_CONFIGS[] = {
+    // CONFIGURATION 0
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 1
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"max-preferred-lifetime\": 4000,\n"
+"        \"max-valid-lifetime\": 5000,\n"
+"        \"min-preferred-lifetime\": 2000,\n"
+"        \"min-valid-lifetime\": 3000,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"max-preferred-lifetime\": 4000,\n"
+"                \"max-valid-lifetime\": 5000,\n"
+"                \"min-preferred-lifetime\": 2000,\n"
+"                \"min-valid-lifetime\": 3000,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:1::1-2001:db8:1::ffff\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:1::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 2
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:1::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 2,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:2::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:2::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 3,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:3::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:3::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 4,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:4::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:4::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 3
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:3::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:3::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 34,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:4::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:4::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 100,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:2::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:2::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1024,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:1::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 4
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:1::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 2,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:2::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:2::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 3,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:3::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:3::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 4,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:4::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:4::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 5
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"max-preferred-lifetime\": 4000,\n"
+"        \"max-valid-lifetime\": 5000,\n"
+"        \"min-preferred-lifetime\": 2000,\n"
+"        \"min-valid-lifetime\": 3000,\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"max-preferred-lifetime\": 4,\n"
+"                \"max-valid-lifetime\": 5,\n"
+"                \"min-preferred-lifetime\": 2,\n"
+"                \"min-valid-lifetime\": 3,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:1::1-2001:db8:1::ffff\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:1::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 6
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"interface\": \"eth0\",\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:1::1-2001:db8:1::ffff\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:1::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 7
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"interface-id\": \"foobar\",\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:1::1-2001:db8:1::ffff\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:1::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 8
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:1::/96\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:1:0:abcd::/112\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:1::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 2,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:2::1-2001:db8:2::ff\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:2::300/120\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:2::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 9
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:1::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 10
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [\n"
+"                    {\n"
+"                        \"delegated-len\": 128,\n"
+"                        \"option-data\": [ ],\n"
+"                        \"prefix\": \"2001:db8:1::\",\n"
+"                        \"prefix-len\": 64\n"
+"                    }\n"
+"                ],\n"
+"                \"pools\": [ ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:1::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 7200\n"
+"    }\n",
+    // CONFIGURATION 11
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [\n"
+"                    {\n"
+"                        \"delegated-len\": 64,\n"
+"                        \"excluded-prefix\": \"3000::1000:0:0:0\",\n"
+"                        \"excluded-prefix-len\": 72,\n"
+"                        \"option-data\": [ ],\n"
+"                        \"prefix\": \"3000::\",\n"
+"                        \"prefix-len\": 48\n"
+"                    }\n"
+"                ],\n"
+"                \"pools\": [ ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:1::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 7200\n"
+"    }\n",
+    // CONFIGURATION 12
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [\n"
+"                    {\n"
+"                        \"delegated-len\": 80,\n"
+"                        \"option-data\": [ ],\n"
+"                        \"prefix\": \"2001:db8:1:1::\",\n"
+"                        \"prefix-len\": 72\n"
+"                    },\n"
+"                    {\n"
+"                        \"delegated-len\": 88,\n"
+"                        \"option-data\": [ ],\n"
+"                        \"prefix\": \"2001:db8:1:2::\",\n"
+"                        \"prefix-len\": 72\n"
+"                    },\n"
+"                    {\n"
+"                        \"delegated-len\": 96,\n"
+"                        \"option-data\": [ ],\n"
+"                        \"prefix\": \"3000:1:3::\",\n"
+"                        \"prefix-len\": 72\n"
+"                    }\n"
+"                ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:1:4::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:1::/40\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 7200\n"
+"    }\n",
+    // CONFIGURATION 13
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [\n"
+"                    {\n"
+"                        \"delegated-len\": 64,\n"
+"                        \"option-data\": [ ],\n"
+"                        \"prefix\": \"2001:db8:1::\",\n"
+"                        \"prefix-len\": 64\n"
+"                    }\n"
+"                ],\n"
+"                \"pools\": [ ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:1::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 7200\n"
+"    }\n",
+    // CONFIGURATION 14
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"array\": false,\n"
+"                \"code\": 100,\n"
+"                \"encapsulate\": \"\",\n"
+"                \"name\": \"foo\",\n"
+"                \"record-types\": \"\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"ipv6-address\"\n"
+"            }\n"
+"        ],\n"
+"        \"preferred-lifetime\": 3600,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 7200\n"
+"    }\n",
+    // CONFIGURATION 15
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"array\": false,\n"
+"                \"code\": 100,\n"
+"                \"encapsulate\": \"\",\n"
+"                \"name\": \"foo\",\n"
+"                \"record-types\": \"uint16, ipv4-address, ipv6-address, string\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"record\"\n"
+"            }\n"
+"        ],\n"
+"        \"preferred-lifetime\": 3600,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 7200\n"
+"    }\n",
+    // CONFIGURATION 16
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"array\": false,\n"
+"                \"code\": 100,\n"
+"                \"encapsulate\": \"\",\n"
+"                \"name\": \"foo\",\n"
+"                \"record-types\": \"\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"uint32\"\n"
+"            },\n"
+"            {\n"
+"                \"array\": false,\n"
+"                \"code\": 101,\n"
+"                \"encapsulate\": \"\",\n"
+"                \"name\": \"foo-2\",\n"
+"                \"record-types\": \"\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"ipv4-address\"\n"
+"            }\n"
+"        ],\n"
+"        \"preferred-lifetime\": 3600,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 7200\n"
+"    }\n",
+    // CONFIGURATION 17
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"array\": true,\n"
+"                \"code\": 100,\n"
+"                \"encapsulate\": \"\",\n"
+"                \"name\": \"foo\",\n"
+"                \"record-types\": \"\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"uint32\"\n"
+"            }\n"
+"        ],\n"
+"        \"preferred-lifetime\": 3600,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 7200\n"
+"    }\n",
+    // CONFIGURATION 18
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"array\": false,\n"
+"                \"code\": 100,\n"
+"                \"encapsulate\": \"sub-opts-space\",\n"
+"                \"name\": \"foo\",\n"
+"                \"record-types\": \"\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"uint32\"\n"
+"            }\n"
+"        ],\n"
+"        \"preferred-lifetime\": 3600,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 7200\n"
+"    }\n",
+    // CONFIGURATION 19
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"always-send\": false,\n"
+"                \"code\": 38,\n"
+"                \"csv-format\": false,\n"
+"                \"data\": \"ABCDEF0105\",\n"
+"                \"name\": \"subscriber-id\",\n"
+"                \"space\": \"dhcp6\"\n"
+"            },\n"
+"            {\n"
+"                \"always-send\": false,\n"
+"                \"code\": 7,\n"
+"                \"csv-format\": true,\n"
+"                \"data\": \"01\",\n"
+"                \"name\": \"preference\",\n"
+"                \"space\": \"dhcp6\"\n"
+"            }\n"
+"        ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:1::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 20
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [\n"
+"                    {\n"
+"                        \"always-send\": false,\n"
+"                        \"code\": 38,\n"
+"                        \"csv-format\": false,\n"
+"                        \"data\": \"ABCDEF0105\",\n"
+"                        \"name\": \"subscriber-id\",\n"
+"                        \"space\": \"dhcp6\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"always-send\": false,\n"
+"                        \"code\": 7,\n"
+"                        \"csv-format\": true,\n"
+"                        \"data\": \"01\",\n"
+"                        \"name\": \"preference\",\n"
+"                        \"space\": \"dhcp6\"\n"
+"                    }\n"
+"                ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:1::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 21
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"always-send\": false,\n"
+"                \"code\": 38,\n"
+"                \"csv-format\": false,\n"
+"                \"data\": \"ABCDEF0105\",\n"
+"                \"name\": \"subscriber-id\",\n"
+"                \"space\": \"dhcp6\"\n"
+"            },\n"
+"            {\n"
+"                \"always-send\": false,\n"
+"                \"code\": 38,\n"
+"                \"csv-format\": true,\n"
+"                \"data\": \"1234\",\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"isc\"\n"
+"            }\n"
+"        ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"array\": false,\n"
+"                \"code\": 38,\n"
+"                \"encapsulate\": \"\",\n"
+"                \"name\": \"foo\",\n"
+"                \"record-types\": \"\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"uint32\"\n"
+"            }\n"
+"        ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:1::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 22
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"always-send\": false,\n"
+"                \"code\": 110,\n"
+"                \"csv-format\": true,\n"
+"                \"data\": \"1234\",\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"isc\"\n"
+"            },\n"
+"            {\n"
+"                \"always-send\": false,\n"
+"                \"code\": 111,\n"
+"                \"csv-format\": true,\n"
+"                \"data\": \"192.168.2.1\",\n"
+"                \"name\": \"foo2\",\n"
+"                \"space\": \"isc\"\n"
+"            }\n"
+"        ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"array\": false,\n"
+"                \"code\": 110,\n"
+"                \"encapsulate\": \"\",\n"
+"                \"name\": \"foo\",\n"
+"                \"record-types\": \"\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"uint32\"\n"
+"            },\n"
+"            {\n"
+"                \"array\": false,\n"
+"                \"code\": 111,\n"
+"                \"encapsulate\": \"\",\n"
+"                \"name\": \"foo2\",\n"
+"                \"record-types\": \"\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"ipv4-address\"\n"
+"            }\n"
+"        ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 23
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"always-send\": false,\n"
+"                \"code\": 100,\n"
+"                \"csv-format\": true,\n"
+"                \"data\": \"11\",\n"
+"                \"name\": \"base-option\",\n"
+"                \"space\": \"dhcp6\"\n"
+"            },\n"
+"            {\n"
+"                \"always-send\": false,\n"
+"                \"code\": 110,\n"
+"                \"csv-format\": true,\n"
+"                \"data\": \"1234\",\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"isc\"\n"
+"            },\n"
+"            {\n"
+"                \"always-send\": false,\n"
+"                \"code\": 111,\n"
+"                \"csv-format\": true,\n"
+"                \"data\": \"192.168.2.1\",\n"
+"                \"name\": \"foo2\",\n"
+"                \"space\": \"isc\"\n"
+"            }\n"
+"        ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"array\": false,\n"
+"                \"code\": 100,\n"
+"                \"encapsulate\": \"isc\",\n"
+"                \"name\": \"base-option\",\n"
+"                \"record-types\": \"\",\n"
+"                \"space\": \"dhcp6\",\n"
+"                \"type\": \"uint8\"\n"
+"            },\n"
+"            {\n"
+"                \"array\": false,\n"
+"                \"code\": 110,\n"
+"                \"encapsulate\": \"\",\n"
+"                \"name\": \"foo\",\n"
+"                \"record-types\": \"\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"uint32\"\n"
+"            },\n"
+"            {\n"
+"                \"array\": false,\n"
+"                \"code\": 111,\n"
+"                \"encapsulate\": \"\",\n"
+"                \"name\": \"foo2\",\n"
+"                \"record-types\": \"\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"ipv4-address\"\n"
+"            }\n"
+"        ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:1::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 24
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [\n"
+"                    {\n"
+"                        \"always-send\": false,\n"
+"                        \"code\": 38,\n"
+"                        \"csv-format\": false,\n"
+"                        \"data\": \"0102030405060708090A\",\n"
+"                        \"name\": \"subscriber-id\",\n"
+"                        \"space\": \"dhcp6\"\n"
+"                    }\n"
+"                ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:1::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 2,\n"
+"                \"option-data\": [\n"
+"                    {\n"
+"                        \"always-send\": false,\n"
+"                        \"code\": 15,\n"
+"                        \"csv-format\": false,\n"
+"                        \"data\": \"FFFEFDFCFB\",\n"
+"                        \"name\": \"user-class\",\n"
+"                        \"space\": \"dhcp6\"\n"
+"                    }\n"
+"                ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:2::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:2::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 25
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [\n"
+"                    {\n"
+"                        \"delegated-len\": 64,\n"
+"                        \"option-data\": [\n"
+"                            {\n"
+"                                \"always-send\": false,\n"
+"                                \"code\": 38,\n"
+"                                \"csv-format\": false,\n"
+"                                \"data\": \"112233445566\",\n"
+"                                \"name\": \"subscriber-id\",\n"
+"                                \"space\": \"dhcp6\"\n"
+"                            }\n"
+"                        ],\n"
+"                        \"prefix\": \"3000::\",\n"
+"                        \"prefix-len\": 48\n"
+"                    },\n"
+"                    {\n"
+"                        \"delegated-len\": 64,\n"
+"                        \"option-data\": [\n"
+"                            {\n"
+"                                \"always-send\": false,\n"
+"                                \"code\": 15,\n"
+"                                \"csv-format\": false,\n"
+"                                \"data\": \"AABBCCDDEE\",\n"
+"                                \"name\": \"user-class\",\n"
+"                                \"space\": \"dhcp6\"\n"
+"                            }\n"
+"                        ],\n"
+"                        \"prefix\": \"3001::\",\n"
+"                        \"prefix-len\": 48\n"
+"                    }\n"
+"                ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [\n"
+"                            {\n"
+"                                \"always-send\": false,\n"
+"                                \"code\": 38,\n"
+"                                \"csv-format\": false,\n"
+"                                \"data\": \"0102030405060708090A\",\n"
+"                                \"name\": \"subscriber-id\",\n"
+"                                \"space\": \"dhcp6\"\n"
+"                            }\n"
+"                        ],\n"
+"                        \"pool\": \"2001:db8:1::10-2001:db8:1::100\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"option-data\": [\n"
+"                            {\n"
+"                                \"always-send\": false,\n"
+"                                \"code\": 15,\n"
+"                                \"csv-format\": false,\n"
+"                                \"data\": \"FFFEFDFCFB\",\n"
+"                                \"name\": \"user-class\",\n"
+"                                \"space\": \"dhcp6\"\n"
+"                            }\n"
+"                        ],\n"
+"                        \"pool\": \"2001:db8:1::300-2001:db8:1::400\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:1::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 26
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"always-send\": false,\n"
+"                \"code\": 100,\n"
+"                \"csv-format\": false,\n"
+"                \"data\": \"1234\",\n"
+"                \"space\": \"vendor-1234\"\n"
+"            },\n"
+"            {\n"
+"                \"always-send\": false,\n"
+"                \"code\": 100,\n"
+"                \"csv-format\": false,\n"
+"                \"data\": \"ABCDEF0105\",\n"
+"                \"space\": \"vendor-4491\"\n"
+"            }\n"
+"        ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:1::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 27
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"always-send\": false,\n"
+"                \"code\": 100,\n"
+"                \"csv-format\": true,\n"
+"                \"data\": \"this is a string vendor-opt\",\n"
+"                \"name\": \"foo\",\n"
+"                \"space\": \"vendor-4491\"\n"
+"            }\n"
+"        ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"array\": false,\n"
+"                \"code\": 100,\n"
+"                \"encapsulate\": \"\",\n"
+"                \"name\": \"foo\",\n"
+"                \"record-types\": \"\",\n"
+"                \"space\": \"vendor-4491\",\n"
+"                \"type\": \"string\"\n"
+"            }\n"
+"        ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:1::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 28
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"eth0\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 29
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\", \"eth0\", \"eth1\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 30
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:1::1-2001:db8:1::ffff\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ \"2001:db8:1::abcd\" ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:1::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 31
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:1::1-2001:db8:1::ffff\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ \"2001:db9::abcd\", \"2001:db9::abce\" ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:1::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 32
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"client-class\": \"alpha\",\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:1::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"client-class\": \"beta\",\n"
+"                \"id\": 2,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:2::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:2::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"client-class\": \"gamma\",\n"
+"                \"id\": 3,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:3::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:3::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 4,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:4::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:4::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 33
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"client-class\": \"alpha\",\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"client-class\": \"beta\",\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:2::/80\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"client-class\": \"gamma\",\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:3::/80\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:4::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8::/40\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 34
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [\n"
+"                    {\n"
+"                        \"client-class\": \"alpha\",\n"
+"                        \"delegated-len\": 64,\n"
+"                        \"option-data\": [ ],\n"
+"                        \"prefix\": \"2001:db8:1::\",\n"
+"                        \"prefix-len\": 48\n"
+"                    },\n"
+"                    {\n"
+"                        \"client-class\": \"beta\",\n"
+"                        \"delegated-len\": 64,\n"
+"                        \"option-data\": [ ],\n"
+"                        \"prefix\": \"2001:db8:2::\",\n"
+"                        \"prefix-len\": 48\n"
+"                    },\n"
+"                    {\n"
+"                        \"client-class\": \"gamma\",\n"
+"                        \"delegated-len\": 64,\n"
+"                        \"option-data\": [ ],\n"
+"                        \"prefix\": \"2001:db8:3::\",\n"
+"                        \"prefix-len\": 48\n"
+"                    },\n"
+"                    {\n"
+"                        \"delegated-len\": 64,\n"
+"                        \"option-data\": [ ],\n"
+"                        \"prefix\": \"2001:db8:4::\",\n"
+"                        \"prefix-len\": 48\n"
+"                    }\n"
+"                ],\n"
+"                \"pools\": [ ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 35
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": true,\n"
+"            \"max-queue-size\": 2048,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"3001::2\",\n"
+"            \"sender-port\": 778,\n"
+"            \"server-ip\": \"3001::1\",\n"
+"            \"server-port\": 777\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:1::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 36
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"test.prefix\",\n"
+"        \"ddns-override-client-update\": true,\n"
+"        \"ddns-override-no-update\": true,\n"
+"        \"ddns-qualifying-suffix\": \"test.suffix.\",\n"
+"        \"ddns-replace-client-name\": \"when-present\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": true,\n"
+"            \"max-queue-size\": 2048,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"3001::2\",\n"
+"            \"sender-port\": 778,\n"
+"            \"server-ip\": \"3001::1\",\n"
+"            \"server-port\": 777\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"x\",\n"
+"        \"hostname-char-set\": \"[^A-Z]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:1::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 37
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"global.prefix\",\n"
+"        \"ddns-override-client-update\": true,\n"
+"        \"ddns-override-no-update\": true,\n"
+"        \"ddns-qualifying-suffix\": \"global.suffix.\",\n"
+"        \"ddns-replace-client-name\": \"always\",\n"
+"        \"ddns-send-updates\": false,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": true,\n"
+"            \"max-queue-size\": 2048,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"3001::2\",\n"
+"            \"sender-port\": 778,\n"
+"            \"server-ip\": \"3001::1\",\n"
+"            \"server-port\": 777\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"x\",\n"
+"        \"hostname-char-set\": \"[^A-Z]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:1::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 38
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 123,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:1::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 234,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [ ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [\n"
+"                    {\n"
+"                        \"client-classes\": [ ],\n"
+"                        \"hostname\": \"\",\n"
+"                        \"hw-address\": \"01:02:03:04:05:06\",\n"
+"                        \"ip-addresses\": [ \"2001:db8:2::abcd\" ],\n"
+"                        \"option-data\": [\n"
+"                            {\n"
+"                                \"always-send\": false,\n"
+"                                \"code\": 23,\n"
+"                                \"csv-format\": true,\n"
+"                                \"data\": \"2001:db8:2::abbc\",\n"
+"                                \"name\": \"dns-servers\",\n"
+"                                \"space\": \"dhcp6\"\n"
+"                            },\n"
+"                            {\n"
+"                                \"always-send\": false,\n"
+"                                \"code\": 7,\n"
+"                                \"csv-format\": true,\n"
+"                                \"data\": \"25\",\n"
+"                                \"name\": \"preference\",\n"
+"                                \"space\": \"dhcp6\"\n"
+"                            }\n"
+"                        ],\n"
+"                        \"prefixes\": [ ]\n"
+"                    },\n"
+"                    {\n"
+"                        \"client-classes\": [ ],\n"
+"                        \"duid\": \"01:02:03:04:05:06:07:08:09:0a\",\n"
+"                        \"hostname\": \"\",\n"
+"                        \"ip-addresses\": [ \"2001:db8:2::1234\" ],\n"
+"                        \"option-data\": [\n"
+"                            {\n"
+"                                \"always-send\": false,\n"
+"                                \"code\": 23,\n"
+"                                \"csv-format\": true,\n"
+"                                \"data\": \"2001:db8:2::1111\",\n"
+"                                \"name\": \"dns-servers\",\n"
+"                                \"space\": \"dhcp6\"\n"
+"                            },\n"
+"                            {\n"
+"                                \"always-send\": false,\n"
+"                                \"code\": 7,\n"
+"                                \"csv-format\": true,\n"
+"                                \"data\": \"11\",\n"
+"                                \"name\": \"preference\",\n"
+"                                \"space\": \"dhcp6\"\n"
+"                            }\n"
+"                        ],\n"
+"                        \"prefixes\": [ ]\n"
+"                    }\n"
+"                ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:2::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 542,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [ ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [\n"
+"                    {\n"
+"                        \"client-classes\": [ ],\n"
+"                        \"hostname\": \"\",\n"
+"                        \"hw-address\": \"06:05:04:03:02:01\",\n"
+"                        \"ip-addresses\": [ ],\n"
+"                        \"option-data\": [ ],\n"
+"                        \"prefixes\": [ \"2001:db8:3:1::/96\" ]\n"
+"                    },\n"
+"                    {\n"
+"                        \"client-classes\": [ ],\n"
+"                        \"duid\": \"0a:09:08:07:06:05:04:03:02:01\",\n"
+"                        \"hostname\": \"\",\n"
+"                        \"ip-addresses\": [ ],\n"
+"                        \"option-data\": [\n"
+"                            {\n"
+"                                \"always-send\": false,\n"
+"                                \"code\": 23,\n"
+"                                \"csv-format\": true,\n"
+"                                \"data\": \"2001:db8:3::3333\",\n"
+"                                \"name\": \"dns-servers\",\n"
+"                                \"space\": \"dhcp6\"\n"
+"                            },\n"
+"                            {\n"
+"                                \"always-send\": false,\n"
+"                                \"code\": 7,\n"
+"                                \"csv-format\": true,\n"
+"                                \"data\": \"33\",\n"
+"                                \"name\": \"preference\",\n"
+"                                \"space\": \"dhcp6\"\n"
+"                            }\n"
+"                        ],\n"
+"                        \"prefixes\": [ \"2001:db8:3:2::/96\" ]\n"
+"                    }\n"
+"                ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:3::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 39
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"array\": false,\n"
+"                \"code\": 100,\n"
+"                \"encapsulate\": \"\",\n"
+"                \"name\": \"foo\",\n"
+"                \"record-types\": \"\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"uint32\"\n"
+"            }\n"
+"        ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 234,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [ ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [\n"
+"                    {\n"
+"                        \"client-classes\": [ ],\n"
+"                        \"duid\": \"01:02:03:04:05:06:07:08:09:0a\",\n"
+"                        \"hostname\": \"\",\n"
+"                        \"ip-addresses\": [ \"2001:db8:2::1234\" ],\n"
+"                        \"option-data\": [\n"
+"                            {\n"
+"                                \"always-send\": false,\n"
+"                                \"code\": 100,\n"
+"                                \"csv-format\": true,\n"
+"                                \"data\": \"11\",\n"
+"                                \"name\": \"foo\",\n"
+"                                \"space\": \"isc\"\n"
+"                            }\n"
+"                        ],\n"
+"                        \"prefixes\": [ ]\n"
+"                    }\n"
+"                ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:2::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 40
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"client-link-addr-option\", \"remote-id\", \"subscriber-id\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 41
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"client-link-addr-option\", \"remote-id\", \"subscriber-id\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 42
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:1::/64\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"reservations-global\": false,\n"
+"                \"reservations-in-subnet\": true,\n"
+"                \"reservations-out-of-pool\": false,\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:1::/48\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 2,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:2::/64\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"reservations-global\": false,\n"
+"                \"reservations-in-subnet\": true,\n"
+"                \"reservations-out-of-pool\": true,\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:2::/48\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 3,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:3::/64\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"reservations-global\": false,\n"
+"                \"reservations-in-subnet\": false,\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:3::/48\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 4,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:4::/64\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"reservations-global\": true,\n"
+"                \"reservations-in-subnet\": false,\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:4::/48\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 5,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:5::/64\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:5::/48\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 6,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:6::/64\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"reservations-global\": true,\n"
+"                \"reservations-in-subnet\": true,\n"
+"                \"reservations-out-of-pool\": false,\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:6::/48\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 7,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:7::/64\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"reservations-global\": true,\n"
+"                \"reservations-in-subnet\": true,\n"
+"                \"reservations-out-of-pool\": true,\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:7::/48\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 43
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": true,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:1::/64\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"reservations-global\": false,\n"
+"                \"reservations-in-subnet\": true,\n"
+"                \"reservations-out-of-pool\": false,\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:1::/48\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 2,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:2::/64\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:2::/48\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 44
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"23\", \"37\", \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 45
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3600,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 7200\n"
+"    }\n",
+    // CONFIGURATION 46
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3600,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 7200\n"
+"    }\n",
+    // CONFIGURATION 47
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 12345,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3600,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 7200\n"
+"    }\n",
+    // CONFIGURATION 48
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 35,\n"
+"            \"hold-reclaimed-time\": 1800,\n"
+"            \"max-reclaim-leases\": 50,\n"
+"            \"max-reclaim-time\": 100,\n"
+"            \"reclaim-timer-wait-time\": 20,\n"
+"            \"unwarned-reclaim-cycles\": 10\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3600,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 7200\n"
+"    }\n",
+    // CONFIGURATION 49
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"client-classes\": [\n"
+"            {\n"
+"                \"name\": \"one\",\n"
+"                \"option-data\": [ ]\n"
+"            },\n"
+"            {\n"
+"                \"name\": \"two\",\n"
+"                \"option-data\": [ ]\n"
+"            },\n"
+"            {\n"
+"                \"name\": \"three\",\n"
+"                \"option-data\": [ ]\n"
+"            }\n"
+"        ],\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:1::1-2001:db8:1::ffff\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:1::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 50
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8::/64\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8::/32\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 51
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8::/64\",\n"
+"                        \"user-context\": { }\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8::/32\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 52
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8::/64\",\n"
+"                        \"user-context\": {\n"
+"                            \"lw4over6-bind-prefix-len\": 56,\n"
+"                            \"lw4over6-sharing-ratio\": 64,\n"
+"                            \"lw4over6-sysports-exclude\": true,\n"
+"                            \"lw4over6-v4-pool\": \"192.0.2.0/24\"\n"
+"                        }\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8::/32\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 53
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8::/64\",\n"
+"                        \"user-context\": {\n"
+"                            \"lw4over6-bind-prefix-len\": 56,\n"
+"                            \"lw4over6-sharing-ratio\": 64,\n"
+"                            \"lw4over6-sysports-exclude\": true,\n"
+"                            \"lw4over6-v4-pool\": \"192.0.2.0/24\"\n"
+"                        }\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8::/32\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 54
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [\n"
+"                    {\n"
+"                        \"delegated-len\": 64,\n"
+"                        \"option-data\": [ ],\n"
+"                        \"prefix\": \"2001:db8::\",\n"
+"                        \"prefix-len\": 56\n"
+"                    }\n"
+"                ],\n"
+"                \"pools\": [ ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8::/32\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 55
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [\n"
+"                    {\n"
+"                        \"delegated-len\": 64,\n"
+"                        \"option-data\": [ ],\n"
+"                        \"prefix\": \"2001:db8::\",\n"
+"                        \"prefix-len\": 56,\n"
+"                        \"user-context\": { }\n"
+"                    }\n"
+"                ],\n"
+"                \"pools\": [ ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8::/32\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 56
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 1,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [\n"
+"                    {\n"
+"                        \"delegated-len\": 64,\n"
+"                        \"option-data\": [ ],\n"
+"                        \"prefix\": \"2001:db8::\",\n"
+"                        \"prefix-len\": 56,\n"
+"                        \"user-context\": {\n"
+"                            \"lw4over6-bind-prefix-len\": 56,\n"
+"                            \"lw4over6-sharing-ratio\": 64,\n"
+"                            \"lw4over6-sysports-exclude\": true,\n"
+"                            \"lw4over6-v4-pool\": \"192.0.2.0/24\"\n"
+"                        }\n"
+"                    }\n"
+"                ],\n"
+"                \"pools\": [ ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8::/32\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 57
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"hosts-databases\": [\n"
+"            {\n"
+"                \"name\": \"keatest1\",\n"
+"                \"password\": \"keatest\",\n"
+"                \"type\": \"mysql\",\n"
+"                \"user\": \"keatest\"\n"
+"            },\n"
+"            {\n"
+"                \"name\": \"keatest2\",\n"
+"                \"password\": \"keatest\",\n"
+"                \"type\": \"mysql\",\n"
+"                \"user\": \"keatest\"\n"
+"            }\n"
+"        ],\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 58
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"client-classes\": [\n"
+"            {\n"
+"                \"name\": \"all\",\n"
+"                \"option-data\": [ ],\n"
+"                \"test\": \"'' == ''\",\n"
+"                \"user-context\": {\n"
+"                    \"comment\": \"match all\"\n"
+"                }\n"
+"            },\n"
+"            {\n"
+"                \"name\": \"none\",\n"
+"                \"option-data\": [ ]\n"
+"            },\n"
+"            {\n"
+"                \"name\": \"both\",\n"
+"                \"option-data\": [ ],\n"
+"                \"user-context\": {\n"
+"                    \"comment\": \"a comment\",\n"
+"                    \"version\": 1\n"
+"                }\n"
+"            }\n"
+"        ],\n"
+"        \"control-socket\": {\n"
+"            \"socket-name\": \"/tmp/kea6-ctrl-socket\",\n"
+"            \"socket-type\": \"unix\",\n"
+"            \"user-context\": {\n"
+"                \"comment\": \"Indirect comment\"\n"
+"            }\n"
+"        },\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001,\n"
+"            \"user-context\": {\n"
+"                \"comment\": \"No dynamic DNS\"\n"
+"            }\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false,\n"
+"            \"user-context\": {\n"
+"                \"comment\": \"Use wildcard\"\n"
+"            }\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [\n"
+"            {\n"
+"                \"always-send\": false,\n"
+"                \"code\": 38,\n"
+"                \"csv-format\": false,\n"
+"                \"data\": \"ABCDEF0105\",\n"
+"                \"name\": \"subscriber-id\",\n"
+"                \"space\": \"dhcp6\",\n"
+"                \"user-context\": {\n"
+"                    \"comment\": \"Set option value\"\n"
+"                }\n"
+"            }\n"
+"        ],\n"
+"        \"option-def\": [\n"
+"            {\n"
+"                \"array\": false,\n"
+"                \"code\": 100,\n"
+"                \"encapsulate\": \"\",\n"
+"                \"name\": \"foo\",\n"
+"                \"record-types\": \"\",\n"
+"                \"space\": \"isc\",\n"
+"                \"type\": \"ipv6-address\",\n"
+"                \"user-context\": {\n"
+"                    \"comment\": \"An option definition\"\n"
+"                }\n"
+"            }\n"
+"        ],\n"
+"        \"preferred-lifetime\": 3600,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LL\",\n"
+"            \"user-context\": {\n"
+"                \"comment\": \"DHCPv6 specific\"\n"
+"            }\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"name\": \"foo\",\n"
+"                \"option-data\": [ ],\n"
+"                \"preferred-lifetime\": 3600,\n"
+"                \"rapid-commit\": false,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet6\": [\n"
+"                    {\n"
+"                        \"calculate-tee-times\": true,\n"
+"                        \"id\": 100,\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pd-pools\": [\n"
+"                            {\n"
+"                                \"delegated-len\": 64,\n"
+"                                \"option-data\": [ ],\n"
+"                                \"prefix\": \"2001:db2::\",\n"
+"                                \"prefix-len\": 48,\n"
+"                                \"user-context\": {\n"
+"                                    \"comment\": \"A prefix pool\"\n"
+"                                }\n"
+"                            }\n"
+"                        ],\n"
+"                        \"pools\": [\n"
+"                            {\n"
+"                                \"option-data\": [ ],\n"
+"                                \"pool\": \"2001:db1::/64\",\n"
+"                                \"user-context\": {\n"
+"                                    \"comment\": \"A pool\"\n"
+"                                }\n"
+"                            }\n"
+"                        ],\n"
+"                        \"preferred-lifetime\": 3600,\n"
+"                        \"relay\": {\n"
+"                            \"ip-addresses\": [ ]\n"
+"                        },\n"
+"                        \"reservations\": [\n"
+"                            {\n"
+"                                \"client-classes\": [ ],\n"
+"                                \"hostname\": \"foo.example.com\",\n"
+"                                \"hw-address\": \"aa:bb:cc:dd:ee:ff\",\n"
+"                                \"ip-addresses\": [ ],\n"
+"                                \"option-data\": [\n"
+"                                    {\n"
+"                                        \"always-send\": false,\n"
+"                                        \"code\": 24,\n"
+"                                        \"csv-format\": true,\n"
+"                                        \"data\": \"example.com\",\n"
+"                                        \"name\": \"domain-search\",\n"
+"                                        \"space\": \"dhcp6\",\n"
+"                                        \"user-context\": {\n"
+"                                            \"comment\": \"An option in a reservation\"\n"
+"                                        }\n"
+"                                    }\n"
+"                                ],\n"
+"                                \"prefixes\": [ ],\n"
+"                                \"user-context\": {\n"
+"                                    \"comment\": \"A host reservation\"\n"
+"                                }\n"
+"                            }\n"
+"                        ],\n"
+"                        \"store-extended-info\": false,\n"
+"                        \"subnet\": \"2001:db1::/48\",\n"
+"                        \"t1-percent\": 0.5,\n"
+"                        \"t2-percent\": 0.8,\n"
+"                        \"user-context\": {\n"
+"                            \"comment\": \"A subnet\"\n"
+"                        },\n"
+"                        \"valid-lifetime\": 7200\n"
+"                    }\n"
+"                ],\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"user-context\": {\n"
+"                    \"comment\": \"A shared network\"\n"
+"                },\n"
+"                \"valid-lifetime\": 7200\n"
+"            }\n"
+"        ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"user-context\": {\n"
+"            \"comment\": \"A DHCPv6 server\"\n"
+"        },\n"
+"        \"valid-lifetime\": 7200\n"
+"    }\n",
+    // CONFIGURATION 59
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations\": [\n"
+"            {\n"
+"                \"client-classes\": [ ],\n"
+"                \"hostname\": \"\",\n"
+"                \"hw-address\": \"01:02:03:04:05:06\",\n"
+"                \"ip-addresses\": [ \"2001:db8:2::abcd\" ],\n"
+"                \"option-data\": [\n"
+"                    {\n"
+"                        \"always-send\": false,\n"
+"                        \"code\": 23,\n"
+"                        \"csv-format\": true,\n"
+"                        \"data\": \"2001:db8:2::abbc\",\n"
+"                        \"name\": \"dns-servers\",\n"
+"                        \"space\": \"dhcp6\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"always-send\": false,\n"
+"                        \"code\": 7,\n"
+"                        \"csv-format\": true,\n"
+"                        \"data\": \"25\",\n"
+"                        \"name\": \"preference\",\n"
+"                        \"space\": \"dhcp6\"\n"
+"                    }\n"
+"                ],\n"
+"                \"prefixes\": [ ]\n"
+"            },\n"
+"            {\n"
+"                \"client-classes\": [ ],\n"
+"                \"duid\": \"01:02:03:04:05:06:07:08:09:0a\",\n"
+"                \"hostname\": \"\",\n"
+"                \"ip-addresses\": [ \"2001:db8:2::1234\" ],\n"
+"                \"option-data\": [\n"
+"                    {\n"
+"                        \"always-send\": false,\n"
+"                        \"code\": 23,\n"
+"                        \"csv-format\": true,\n"
+"                        \"data\": \"2001:db8:2::1111\",\n"
+"                        \"name\": \"dns-servers\",\n"
+"                        \"space\": \"dhcp6\"\n"
+"                    },\n"
+"                    {\n"
+"                        \"always-send\": false,\n"
+"                        \"code\": 7,\n"
+"                        \"csv-format\": true,\n"
+"                        \"data\": \"11\",\n"
+"                        \"name\": \"preference\",\n"
+"                        \"space\": \"dhcp6\"\n"
+"                    }\n"
+"                ],\n"
+"                \"prefixes\": [ ]\n"
+"            }\n"
+"        ],\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 123,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [\n"
+"                    {\n"
+"                        \"option-data\": [ ],\n"
+"                        \"pool\": \"2001:db8:1::/80\"\n"
+"                    }\n"
+"                ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:1::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 234,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [ ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:2::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            },\n"
+"            {\n"
+"                \"calculate-tee-times\": true,\n"
+"                \"id\": 542,\n"
+"                \"option-data\": [ ],\n"
+"                \"pd-pools\": [ ],\n"
+"                \"pools\": [ ],\n"
+"                \"preferred-lifetime\": 3000,\n"
+"                \"rapid-commit\": false,\n"
+"                \"rebind-timer\": 2000,\n"
+"                \"relay\": {\n"
+"                    \"ip-addresses\": [ ]\n"
+"                },\n"
+"                \"renew-timer\": 1000,\n"
+"                \"reservations\": [ ],\n"
+"                \"store-extended-info\": false,\n"
+"                \"subnet\": \"2001:db8:3::/64\",\n"
+"                \"t1-percent\": 0.5,\n"
+"                \"t2-percent\": 0.8,\n"
+"                \"valid-lifetime\": 4000\n"
+"            }\n"
+"        ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 60
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3000,\n"
+"        \"rebind-timer\": 2000,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"renew-timer\": 1000,\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 5,\n"
+"        \"statistic-default-sample-count\": 10,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 4000\n"
+"    }\n",
+    // CONFIGURATION 61
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": false,\n"
+"            \"packet-queue-size\": 64,\n"
+"            \"thread-pool-size\": 0\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3600,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 7200\n"
+"    }\n",
+    // CONFIGURATION 62
+"{\n"
+"        \"calculate-tee-times\": true,\n"
+"        \"ddns-generated-prefix\": \"myhost\",\n"
+"        \"ddns-override-client-update\": false,\n"
+"        \"ddns-override-no-update\": false,\n"
+"        \"ddns-qualifying-suffix\": \"\",\n"
+"        \"ddns-replace-client-name\": \"never\",\n"
+"        \"ddns-send-updates\": true,\n"
+"        \"ddns-update-on-renew\": false,\n"
+"        \"ddns-use-conflict-resolution\": true,\n"
+"        \"decline-probation-period\": 86400,\n"
+"        \"dhcp-ddns\": {\n"
+"            \"enable-updates\": false,\n"
+"            \"max-queue-size\": 1024,\n"
+"            \"ncr-format\": \"JSON\",\n"
+"            \"ncr-protocol\": \"UDP\",\n"
+"            \"sender-ip\": \"0.0.0.0\",\n"
+"            \"sender-port\": 0,\n"
+"            \"server-ip\": \"127.0.0.1\",\n"
+"            \"server-port\": 53001\n"
+"        },\n"
+"        \"dhcp-queue-control\": {\n"
+"            \"capacity\": 64,\n"
+"            \"enable-queue\": false,\n"
+"            \"queue-type\": \"kea-ring6\"\n"
+"        },\n"
+"        \"dhcp4o6-port\": 0,\n"
+"        \"expired-leases-processing\": {\n"
+"            \"flush-reclaimed-timer-wait-time\": 25,\n"
+"            \"hold-reclaimed-time\": 3600,\n"
+"            \"max-reclaim-leases\": 100,\n"
+"            \"max-reclaim-time\": 250,\n"
+"            \"reclaim-timer-wait-time\": 10,\n"
+"            \"unwarned-reclaim-cycles\": 5\n"
+"        },\n"
+"        \"hooks-libraries\": [ ],\n"
+"        \"host-reservation-identifiers\": [ \"hw-address\", \"duid\" ],\n"
+"        \"hostname-char-replacement\": \"\",\n"
+"        \"hostname-char-set\": \"[^A-Za-z0-9.-]\",\n"
+"        \"interfaces-config\": {\n"
+"            \"interfaces\": [ \"*\" ],\n"
+"            \"re-detect\": false\n"
+"        },\n"
+"        \"ip-reservations-unique\": true,\n"
+"        \"lease-database\": {\n"
+"            \"type\": \"memfile\"\n"
+"        },\n"
+"        \"mac-sources\": [ \"any\" ],\n"
+"        \"multi-threading\": {\n"
+"            \"enable-multi-threading\": true,\n"
+"            \"packet-queue-size\": 1024,\n"
+"            \"thread-pool-size\": 48\n"
+"        },\n"
+"        \"option-data\": [ ],\n"
+"        \"option-def\": [ ],\n"
+"        \"preferred-lifetime\": 3600,\n"
+"        \"relay-supplied-options\": [ \"65\" ],\n"
+"        \"reservations-global\": false,\n"
+"        \"reservations-in-subnet\": true,\n"
+"        \"reservations-out-of-pool\": false,\n"
+"        \"sanity-checks\": {\n"
+"            \"lease-checks\": \"warn\"\n"
+"        },\n"
+"        \"server-id\": {\n"
+"            \"enterprise-id\": 0,\n"
+"            \"htype\": 0,\n"
+"            \"identifier\": \"\",\n"
+"            \"persist\": true,\n"
+"            \"time\": 0,\n"
+"            \"type\": \"LLT\"\n"
+"        },\n"
+"        \"server-tag\": \"\",\n"
+"        \"shared-networks\": [ ],\n"
+"        \"statistic-default-sample-age\": 0,\n"
+"        \"statistic-default-sample-count\": 20,\n"
+"        \"store-extended-info\": false,\n"
+"        \"subnet6\": [ ],\n"
+"        \"t1-percent\": 0.5,\n"
+"        \"t2-percent\": 0.8,\n"
+"        \"valid-lifetime\": 7200\n"
+"    }\n"
 };
 
 /// @brief the number of configurations