Mar 25 22:31:39 trusty-upgrade udisksd[2392]: Acquired the name org.freedesktop.UDisks2 on the system message bus
Mar 25 22:31:39 trusty-upgrade kernel: [ 7166.057324] init: dbus main process (374) killed by KILL signal
Mar 25 22:31:39 trusty-upgrade kernel: [ 7166.057335] init: dbus main process ended, respawning
This points towards udisks2 being the culprit, since the other packages that were configured at 22:31:39 happened after udisks2.
Context in /var/log/syslog shows:
Mar 25 22:31:39 trusty-upgrade udisksd[2392]: Acquired the name org.freedesktop .UDisks2 on the system message bus
Mar 25 22:31:39 trusty-upgrade kernel: [ 7166.057324] init: dbus main process (374) killed by KILL signal
Mar 25 22:31:39 trusty-upgrade kernel: [ 7166.057335] init: dbus main process ended, respawning
This points towards udisks2 being the culprit, since the other packages that were configured at 22:31:39 happened after udisks2.