+< cryptographic settings
+< default IP address
+< dnsforward forward_servers
+< interface mode
+< invalid input for interface address
+< invalid input for interface mode
+< invalid input for interface mtu
+< invalid input for local ip address
+< invalid input for mode
+< invalid ip or hostname
+< ipsec interface mode gre
+< ipsec interface mode none
+< ipsec interface mode vti
+< ipsec mode transport
+< ipsec mode tunnel
+< ipsec settings
+< local ip address
+< mtu
+< subnet mask
+< transport mode does not support vti