I found this temporary solution here: http://stackoverflow.com/a/37413149/65985
Basically, go into your ovpn file and change the verbosity: old: verb 3 new: verb 4 Worked for me -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1576588 Title: google-authenticator with openvpn fails on 16.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/openvpn/+bug/1576588/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs