Kai Schaetzl wrote on Mon, 04 Mar 2013 19:15:46 +0100: > Has anyone seen such a hardware failure where the link goes up but no > packets go over the wire? It seems a bit unlikely that this hardware > failure (and nothing else) should happen on a reboot after an upgrade. It was indeed a weird hardware failure. All works fine with disabled inboard LAN and a cheap PCI network card. Kai