docs: def _create_event_listeners(self):
          """Create and bind the event listeners."""
          LOG.debug("Create the event listeners.")
          for event_type, callback in self._event_callback_pairs:
              LOG.debug("Create listener for %r event", event_type)
              listener = self._utils.get_vnic_event_listener(event_type)
              eventlet.spawn_n(listener, callback)