As it's not really a bug and I don't see any way to be able to follow all the hardware changes and re-assign correctly the interfaces, I reject that bug (as it's not really one).
** Changed in: Ubuntu Status: Unconfirmed => Rejected -- ethernet card was disabled after mainboard change https://launchpad.net/bugs/72766 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs