This isn't a bug in libudev, but a problem of the upgrading. Apparently you ended up with two different versions of libudev0 for i386 and amd64. But apt-get -f install or dist-upgrade ought to be able to fix it?
** Changed in: udev (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1397221 Title: package libudev0 175-0ubuntu9.8 failed to install/upgrade: libudev0:amd64 175-0ubuntu9.7 cannot be configured because libudev0 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/udev/+bug/1397221/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs