Got this issue while upgrading 12.04 -> 14.04 -> 16.04 on step 14.04 -> 16.04. Simply removed /var/lib/dpkg/info/util-linux.postinst with 'sudo rm /var/lib/dpkg/info/util-linux.postinst' and run 'sudo apt-get dist-upgrade -f'.
Got this issue while upgrading 12.04 -> 14.04 -> 16.04 on step 14.04 -> 16.04. dpkg/info/ util-linux. postinst with 'sudo rm /var/lib/ dpkg/info/ util-linux. postinst' and run 'sudo apt-get dist-upgrade -f'.
Simply removed /var/lib/