*' to indicate all addresses. (default `localhost`)</td></tr><tr><td><code>--ctrlz_port &lt;uint16></code></td><td></td><td>The IP port to use for the ControlZ introspection facility (default `9876`)</td></tr><tr><td><code>--log_as_json</code></td><td></td><td>Whether to format output as JSON or in plain console-friendly format</td></tr><tr><td><code>--log_caller &lt;string></code></td><td></td><td>Comma-separated list of scopes for which to include caller information, scopes can be any of [all, caSecretCon