Confirming this is a problem with multiarch in this direction, and the workaround still works:
$ dpkg --print-architecture i386 $ dpkg --print-foreign-architectures amd64 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1574351 Title: package libperl5.22 5.22.1-9 failed to install/upgrade: trying to overwrite shared '/usr/share/doc/libperl5.22/changelog.Debian.gz', which is different from other instances of package libperl5.22:i386 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/perl/+bug/1574351/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
