I can confirm that this occurs. It kills Edubuntu on a dual-homed LTSP server.
Restarting networking with "sudo /etc/init.d/networking restart" does not correct the problem. You have to manually ifdown both nics and the ifup both of them. This restores the IP address for both nics. -- NetworkManager does not allow more than one active NIC https://launchpad.net/bugs/96103 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
