duplicates:
https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1681597
https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1682499
duplicates:
https:/ /bugs.launchpad .net/ubuntu/ +source/ systemd/ +bug/1681597
https:/ /bugs.launchpad .net/ubuntu/ +source/ systemd/ +bug/1682499