A pal spotted this bug report and suggests "[this] is caused by vsftp switching pid namespaces (audit kernel code prohibits)". Hope this helps.
-- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to vsftpd in Ubuntu. https://bugs.launchpad.net/bugs/1160372 Title: Login is not possible To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/vsftpd/+bug/1160372/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs