Same here.
My upgrade from 12.04 to 16.04 was freezed. I rebooted and finished with dpkg --configure -a. Next I launched the upgrade-manager and got that warning message (I also had to do a partial upgrade).
Same here.
My upgrade from 12.04 to 16.04 was freezed. I rebooted and finished with dpkg --configure -a. Next I launched the upgrade-manager and got that warning message (I also had to do a partial upgrade).