rt6_is_dead      4565 net/ipv6/route.c 	if (!rt6_is_dead(rt))
rt6_is_dead      4569 net/ipv6/route.c 		if (!rt6_is_dead(iter))
rt6_is_dead      4580 net/ipv6/route.c 	if (!rt6_is_dead(rt)) {