code: def update_nio(self, port_number, nio):
          
  
          bridge_name = "{}-{}".format(self._id, port_number)
          if self._ubridge_hypervisor and self._ubridge_hypervisor.is_running():
              yield from self._ubridge_apply_filters(bridge_name, nio.filters)
docs: Update an nio on this node
  
          :param nio: NIO instance to add
          :param port_number: port to allocate for the NIO