ifr.ifr_metric = ipmuxid;
if (strioctl(ipfd, SIOCSIFNAME, (char *)&ifr, sizeof ifr, 0) < 0)
fatal("Can't set interface name %s: %m", ifr.ifr_name);
ifr.ifr_metric = ipmuxid;
if (strioctl(ipfd, SIOCSIFNAME, (char *)&ifr, sizeof ifr, 0) < 0)
fatal("Can't set interface name %s: %m", ifr.ifr_name);