Comment 2 for bug 1909371

- Run install hook of "lxd" snap if present (run hook "install": /var/lib/snapd not root-owned 0:110)

That's a new one I've never seen before. This suggests that directory ownership for /var/lib/snapd is quite wrong on your system which in turn causes some snapd actions to fail.

I'll re-assign to snapd for investigation but it'd be useful if you could show `ls -lh /var/lib/` to see what's going on there.