Comment 9 for bug 1447654

Same error unfortunately.

Selecting previously unselected package policykit-1.
Preparing to unpack .../policykit-1_0.105-8ubuntu3_amd64.deb ...
Unpacking policykit-1 (0.105-8ubuntu3) ...
Processing triggers for shared-mime-info (1.3-1) ...
Processing triggers for man-db (2.7.0.2-5) ...
Processing triggers for systemd (219-7ubuntu4) ...
Error getting authority: Error initializing authority: Error calling StartServiceByName for org.freedesktop.PolicyKit1: Timeout was reached (g-io-error-quark, 24)
Failed to execute operation: Connection timed out
dpkg: error processing package systemd (--unpack):
 subprocess installed post-installation script returned error exit status 1