def _get_subinterface(self):
return self.__subinterface<EOL>
Getter method for subinterface, mapped from YANG variable /network_instances/network_instance/vlans/vlan/members/member/interface_ref/state/subinterface (leafref)

    YANG Description: Reference to a subinterface -- this requires the base
interface to be specified using the interface leaf in
this container.  If only a reference to a base interface
is requuired, this leaf should not be set.