Suppport interfaces with ipv6 but no ipv4 address
This change allows interfaces to have only an ipv6 address, while ipv4is either blank (no v4 support on that interface) or dhcp.
Suppport interfaces with ipv6 but no ipv4 address
This change allows interfaces to have only an ipv6 address, while ipv4
is either blank (no v4 support on that interface) or dhcp.