code: def agent_updated(self, context, payload):
          
          try:
              if payload['admin_state_up']:
                  #TODO(hareeshp): implement agent updated handling
                  pass
          except KeyError as e:
              LOG.error("Invalid payload format for received RPC message "
                        "`agent_updated`. Error is %(error)s. Payload is "
                        "%(payload)s", {'error': e, 'payload': payload})
docs: Deal with agent updated RPC message.