I think it's a duplicate of this bug : https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1310845
In policykit, you should use "login1" instead of "upower", there is an exemple in this one : https://bugs.launchpad.net/ubuntu/+source/policykit/+bug/1300460
I think it's a duplicate of this bug : https:/ /bugs.launchpad .net/ubuntu/ +source/ systemd/ +bug/1310845
In policykit, you should use "login1" instead of "upower", there is an exemple in this one : https:/ /bugs.launchpad .net/ubuntu/ +source/ policykit/ +bug/1300460