Per my comment in https://bugs.launchpad.net/maas/+bug/1966343 Switching to Bionic for Commissioning did succeed, but it doesn't explain why Focal suddenly stopped working..
Per my comment in https:/ /bugs.launchpad .net/maas/ +bug/1966343
Switching to Bionic for Commissioning did succeed, but it doesn't explain why Focal suddenly stopped working..