Successfully verified on cosmic - since I was able to login to a newly installed system (that was installed using 'apt-setup/proposed=true') right away:
$ ssh ubuntu@hwe0007 ubuntu@hwe0007's password: Welcome to Ubuntu 18.10 (GNU/Linux 4.18.0-17-generic s390x) * Documentation: https://help.ubuntu.com * Management: https://landscape.canonical.com * Support: https://ubuntu.com/advantage The programs included with the Ubuntu system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Ubuntu comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. To run a command as administrator (user "root"), use "sudo <command>". See "man sudo_root" for details. ubuntu@hwe0007:~$ apt-cache policy netplan.io netplan.io: Installed: 0.96-0ubuntu0.18.10.2 Candidate: 0.96-0ubuntu0.18.10.2 Version table: *** 0.96-0ubuntu0.18.10.2 500 500 http://us.ports.ubuntu.com/ubuntu-ports cosmic-proposed/main s390x Packages 100 /var/lib/dpkg/status 0.40.2.2 500 500 http://us.ports.ubuntu.com/ubuntu-ports cosmic-updates/main s390x Packages 0.40.2 500 500 http://us.ports.ubuntu.com/ubuntu-ports cosmic/main s390x Packages ubuntu@hwe0007:~$ Adjusting verification tag ... ** Tags removed: verification-needed-cosmic ** Tags added: verification-done-cosmic -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1821867 Title: network interface is down after post-install reboot of a default disco installation To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1821867/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs