I am getting the exact same problem using the Herd 3 install CD. I will manually edit the table, but the Gui network admin is definitely not working correctly if you try to override the default configuration.
-- Manual TCP/IP settings overidden by roaming https://launchpad.net/bugs/82088 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
