def stop(self, host, port):
        """
        Stop rtinfo-client
        :param host: str rtinfod host address
        :param port: int rtinfod client port
        """

        args = {
            "host": host,
            "port": port,
        }
        self._rtinfo_stop_params_chk.check(args)

        return self._client.json("rtinfo.stop", args)