I have tested the package in proposed and it solved the issue; there is now a 2nd systemd file generated in /run/systemd/network called <netplan config filename>.network (same as in the workaround). The bridge is now automatically brought up, also after a reboot.
** Tags removed: verification-needed-bionic ** Tags added: verification-done-bionic -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1736975 Title: netplan does not bring up anonymous bridge on boot To manage notifications about this bug go to: https://bugs.launchpad.net/netplan/+bug/1736975/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs