ubuntu do-release-upgrade failed manual continue

ubuntu "dpkg" "recovery menu"
ubuntu "dpkg --configure -a" "adding boot menu entry" "done"
ubuntu "dpkg --configure -a" "adding boot menu entry" "done" recovery menu
ubuntu "dpkg --configure -a" "recovery menu"
ubuntu do-release-upgrade failed manual continue


https://fedingo.com/how-to-fix-dpkg-was-interrupted-you-must-manually-run-sudo/
$ cd /var/lib/dpkg/updates
$ sudo rm *