To the best of my knowledge this should be fixed now. The root cause was that at some point a kernel without AppArmor 4.x was published for Questing. It has since been replaced with one that works, AFAIU kernels after 6.15.0-4.4 should be fine and snapd autopkgtests should no longer be failing.
** Changed in: snapd (Ubuntu) Status: New => Won't Fix -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2116105 Title: snapd: autopkgtest fails with 'all ubuntu systems must have strict confinement' To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/snapd/+bug/2116105/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs