I'm also wondering if these are laptops or desktops, and if laptops, are they mainly on battery whilst not sleeping/charging? I ask since apt- daily-upgrade.service has:
ConditionACPower=true and so may be reporting: Condition check resulted in Daily apt upgrade and clean activities being skipped. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1914278 Title: apt autoremove is not removing unused kernels To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1914278/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs