Yesterday at around 21:00 Home Assistant suddenly turned everything it had access to off. This included many switches not included in the UI (other than for power monitoring) or in any automations. The logbook just shows lots of “turned off by service.homeassistant.turn_off” entries with no clue what initiated them. No clues in the system log. I have google home for a limited number of devices - nothing in its log for the time (or even day).
This is obviously rather concerning, and my partner wasn’t too impressed with being plunged into darkness and everything turned off in the room she was in!
I’m on a dedicated HA OS box, core-2021.4.4. Can anyone suggest any analysis I can do to try to work out why this happened?
That message about “client unable to keep up” is an odd one, comes from line 125 (currently) of this file. Suggests a lot of activity, and whatever was triggering it wasn’t dealing with the return traffic very well.
Were you interacting with HA via a device at the time? Is your system exposed to the internet?