code: async def delete(self):
          
          interface = self._data['interface']
          data = await interface._handler.unlink_subnet(
              system_id=interface.node.system_id, id=interface.id, _id=self.id)
          interface._data['links'] = list(data['links'])
          interface._orig_data['links'] = copy.deepcopy(interface._data['links'])
docs: Delete this interface link.