></tr><tr><td><code>--probe-check-interval &lt;duration></code></td><td>Interval of checking the liveness of the CA. (default `30s`)</td></tr><tr><td><code>--read-signing-cert-only</code></td><td>When set, Citadel only reads the self-signed signing cert and key from Kubernetes secret without generating one (if not exist). This flag avoids racing condition between multiple Citadels generating self-signed key and cert. Please make sure one and only one Citadel instance has this flag set to false.</td></tr><tr