The unknown job message in this case is most likely because upstart didn't see the job appearing because of the use of overlayfs.
Marking this as a duplicate of the overlayfs bug.
Running "initctl reload-configuration" then running apt-get should fix your system in the mean time.
The unknown job message in this case is most likely because upstart didn't see the job appearing because of the use of overlayfs.
Marking this as a duplicate of the overlayfs bug.
Running "initctl reload- configuration" then running apt-get should fix your system in the mean time.