This looks like another problem in software-center/aptdaemon, similar to #1509169 and #1511571. Thus I'm reassinging the bug.
** Package changed: ffmpeg (Ubuntu) => aptdaemon (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1572167 Title: package libavcodec-ffmpeg-extra56:amd64 7:2.7.6-0ubuntu0.15.10.1 failed to install/upgrade: package is in a very bad inconsistent state; you should reinstall it before attempting configuration To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/aptdaemon/+bug/1572167/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
