old_if_flags     1178 net/ipv6/ndisc.c 	__u32 old_if_flags;
old_if_flags     1250 net/ipv6/ndisc.c 	old_if_flags = in6_dev->if_flags;
old_if_flags     1258 net/ipv6/ndisc.c 	if (old_if_flags != in6_dev->if_flags)