code: def nic_add(self, bridge, nic):
          
  
          args = {
              'name': bridge,
              'nic': nic,
          }
  
          self._nic_add_chk.check(args)
  
          return self._client.json('bridge.nic-add', args)
docs: Attach a nic to a bridge
  
          :param bridge: bridge name
          :param nic: nic name