If you are working on your OS, you might as well go to Debian - I think that on Ubuntu you’ll end up in an unhealthy state sooner or later:
Unhealthy state - Configuration - Home Assistant Community (home-assistant.io)
I think it is supervisor reporting it and consequence is you will no longer be able to upgrade HA nor add-ons.
I moved from Ubuntu to Debian on a NUC yesterday because of this. Glad to see you sorted out your issue, I thought moving to Debian was the only route left to us.
Jhh