Change Details

Not all interfaces use `ip link add dev` for creation. For example, tunnel interfaces may use 'ip tunnel add' or 'ip -6 tunnel add'. The interface creation command could/should allow sub-class to modify the command.

Not all interfaces use `ip link add dev` for creation. For example, tunnel interfaces may use 'ip tunnel add' or 'ip -6 tunnel add'. The interface creation command could/should allow sub-class to modify the command used for creation and deletion.

Not all interfaces use `ip link add dev` for creation. For example, tunnel interfaces may use 'ip tunnel add' or 'ip -6 tunnel add'. The interface creation command could/should allow sub-class to modify the command used for creation and deletion.