The check on the argument is added to br-add.
The check on the argument is added to br-add.

NIWA-Hideyuki/Fulcon,NIWA-Hideyuki/Fulcon,NIWA-Hideyuki/Fulcon-VirtualPlatform,NIWA-Hideyuki/Fulcon-VirtualPlatform,NIWA-Hideyuki/Fulcon-VirtualPlatform,NIWA-Hideyuki/Fulcon