Apparently this is because user systemd doesn't have permissions to do that, but it doesn't seem to be documented.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1612340 Title: systemd user instance doesn't respect PrivateTmp option in unit file To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1612340/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs