SIOCSIFPHYADDR
if (ioctl(s, SIOCSIFPHYADDR, &addreq) < 0)
case SIOCSIFPHYADDR:
case SIOCSIFPHYADDR:
case SIOCSIFPHYADDR:
case SIOCSIFPHYADDR:
case SIOCSIFPHYADDR:
SIOCSIFPHYADDR, C(addreq), C(ifr) },