High CPU use when Hildebrand MQTT feed down

Hildebrand have been having a few issues recently with there MQTT feed and I’ve noticed that during the times when it is down, my CPU use dramatically increases as can be seen by the spike this afternoon, returning to normal when the feed resumes.

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I’m connected to Hildebrand in bridge mode and was wondering if anyone else has experienced this and whether there are any ways to avoid the issue?

Hildebrand have been having problems again today and at exactly the same time my CPU use shot up. The extra load is showing in the Home Assistant add-on: Mosquitto broker.

Is anyone else that uses the Hildebrand MQTT feed experiencing this?