Summary: Fixed a bug when trying to change the default NIC when the default nic
was already on the same network as the nic you were trying to make the default.

Reported-by: Brian Angus <blangus@betterservers.com>
Submitted-by: Brian Angus <blangus@betterservers.com>
Signed-off-by: Marcus Sorensen <marcus@betterservers.com> 1359070121 -0700