temporary fix sudo apparmor_parser -R /etc/apparmor.d/unprivileged_userns
or to make it persist after reboot sudo aa-disable /etc/apparmor.d/unprivileged_userns -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2098906 Title: apparmor breaks sbuild with unshare on plucky To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apparmor/+bug/2098906/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs