dhcp6: add debug logs

diff --git a/src/libsystemd-network/sd-dhcp6-client.c b/src/libsystemd-network/sd-dhcp6-client.c
index 95b7237382c032ad6f9657c59160de9f236bfc8d..5417ba8c5febc40265c24a97f4347026f1899dcb 100644 (file)
--- a/src/libsystemd-network/sd-dhcp6-client.c
+++ b/src/libsystemd-network/sd-dhcp6-client.c
@@ -232,7 +232,7 @@ static int dhcp6_client_set_duid_internal(
                 if (r < 0) {
                         r = dhcp_validate_duid_len(duid_type, duid_len, false);
                         if (r < 0)
-                                return r;
+                                return log_dhcp6_client_errno(client, r, "Failed to validate length of DUID: %m");
                         log_dhcp6_client(client, "Setting DUID of type %u with unexpected content", duid_type);
                 }
 
@@ -243,32 +243,32 @@ static int dhcp6_client_set_duid_internal(
                 switch (duid_type) {
                 case DUID_TYPE_LLT:
                         if (client->mac_addr_len == 0)
-                                return -EOPNOTSUPP;
+                                return log_dhcp6_client_errno(client, SYNTHETIC_ERRNO(EOPNOTSUPP), "Failed to set DUID-LLT, MAC address is not set.");
 
                         r = dhcp_identifier_set_duid_llt(&client->duid, llt_time, client->mac_addr, client->mac_addr_len, client->arp_type, &client->duid_len);
                         if (r < 0)
-                                return r;
+                                return log_dhcp6_client_errno(client, r, "Failed to set DUID-LLT: %m");
                         break;
                 case DUID_TYPE_EN:
                         r = dhcp_identifier_set_duid_en(&client->duid, &client->duid_len);
                         if (r < 0)
-                                return r;
+                                return log_dhcp6_client_errno(client, r, "Failed to set DUID-EN: %m");
                         break;
                 case DUID_TYPE_LL:
                         if (client->mac_addr_len == 0)
-                                return -EOPNOTSUPP;
+                                return log_dhcp6_client_errno(client, SYNTHETIC_ERRNO(EOPNOTSUPP), "Failed to set DUID-LL, MAC address is not set.");
 
                         r = dhcp_identifier_set_duid_ll(&client->duid, client->mac_addr, client->mac_addr_len, client->arp_type, &client->duid_len);
                         if (r < 0)
-                                return r;
+                                return log_dhcp6_client_errno(client, r, "Failed to set DUID-LL: %m");
                         break;
                 case DUID_TYPE_UUID:
                         r = dhcp_identifier_set_duid_uuid(&client->duid, &client->duid_len);
                         if (r < 0)
-                                return r;
+                                return log_dhcp6_client_errno(client, r, "Failed to set DUID-UUID: %m");
                         break;
                 default:
-                        return -EINVAL;
+                        return log_dhcp6_client_errno(client, SYNTHETIC_ERRNO(EINVAL), "Invalid DUID type");
                 }
 
         return 0;