I am not sure if this helps, but if you look at line 16 to 20 in that diff the xenial init file contains a "script security" passage while the cosmic does not.
** Attachment added: "differences between xenial and cosmic init files" https://bugs.launchpad.net/ubuntu/+source/openvpn/+bug/1787208/+attachment/5178723/+files/differences_init_xenial-cosmic -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1787208 Title: Openvpn routing issue To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/openvpn/+bug/1787208/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs