This is a workaround for Bug 486067 until a proper fix is merged.
Credits to Thomas Baag for proposing the fix in Bug 487743.
This issue started with commit fe9e90f5
Before this patch:
$ journalctl -b -u upower.serviceFeb 08 15:29:10 bespin systemd[1]: Starting Daemon for power management...Feb 08 15:29:10 bespin systemd[1]: Started Daemon for power management.Feb 08 15:30:35 bespin systemd[1]: Stopping Daemon for power management...Feb 08 15:30:35 bespin systemd[1]: upower.service: Deactivated successfully.Feb 08 15:30:35 bespin systemd[1]: Stopped Daemon for power management.After this patch:
$ journalctl -b -u upower.serviceFeb 08 15:31:21 bespin systemd[1]: Starting Daemon for power management...Feb 08 15:31:21 bespin systemd[1]: Started Daemon for power management.