vlan: Disable MAC address setting

We should not implicitly do nothing with the mac address. Report a
failure to set the MAC address on a VLAN to the caller.

Change-Id: I01d9ed2db190a53bc20a0d537f067838a9a1e8e0
Signed-off-by: William A. Kennington III <wak@google.com>
2 files changed