SIOCBRDGADD
if (ioctl(sock, SIOCBRDGADD, &req) == -1) {
case SIOCBRDGADD:
case SIOCBRDGADD:
case SIOCBRDGADD:
case SIOCBRDGADD:
if (ioctl(env->vmd_fd, SIOCBRDGADD, &ifbr) == -1 &&