docs: def _work(self):
          """Start the neutron-hnv-metadata-proxy agent."""
          server = wsgi.Server(
              name=self._AGENT_BINARY,
              num_threads=CONF.AGENT.worker_count)
          server.start(
              application=_MetadataProxyHandler(),
              port=CONF.bind_port,
              host=CONF.bind_host)
          server.wait()