Comment out (with #) everything but lo in /etc/network/interfaces. If I recall correctly, that's how you get the applet to take over for that stuff instead of the little thing in Settings > Administration > Networking doing it
-- lo interface, is only available in gnome-network applet https://launchpad.net/bugs/29397 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs