Symbol: SIOCBRDGADDL
sbin/ifconfig/brconfig.c
233
if (ioctl(sock, SIOCBRDGADDL, (caddr_t)&breq) == -1) {
sys/net/if.c
2533
case SIOCBRDGADDL:
sys/net/if_bridge.c
275
case SIOCBRDGADDL: