lagg_lp_ioctl
(void)lagg_lp_ioctl(lp, SIOCADDMULTI, (void *)ifr);
(void)lagg_lp_ioctl(lp, SIOCDELMULTI, (void *)ifr);
(void)lagg_lp_ioctl(lp, cmd, (void *)&ifr);
error = lagg_lp_ioctl(lp, cmd, (void *)ifr);
lagg_lp_ioctl(lp, cmd, (void *)ifr);