ok, not fixed I still get it on a laptop, but it seems to make a difference whether knetworkmanager was started automatically in the seesion or run later
** Changed in: knetworkmanager (Ubuntu) Status: Fix Released => Unconfirmed -- knetworkmanager "no network device found" if wired connection plugged in before starting https://launchpad.net/bugs/50770 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs