This seems to be an old issue: http://askubuntu.com/questions/153185 /how-to-remove-kernels-from-previous-release
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1586303 Title: After upgrade from Xubuntu 15.10 to 16.04, old kenrels are on /boot but not shown by `dpkg -l` To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/dpkg/+bug/1586303/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
