Not a bug in libupnp, as far as I can see. Seems to be to do with your package manager (apport?) that's got itself into a knot, but as I don't run Ubuntu I can't recommend where to go for that.
** Changed in: libupnp (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/1251537 Title: package libupnp6 1:1.6.17-1.2 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/libupnp/+bug/1251537/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs