tag	line	file	source code
SIOCGIFMETRIC	1121	net/inet/dev.c	case SIOCGIFMETRIC:  /* Get the metric on the inteface (currently unused) */
SIOCGIFMETRIC	1221	net/inet/dev.c	case SIOCGIFMETRIC:
SIOCGIFMETRIC	1495	net/inet/sock.c	case SIOCGIFMETRIC: