rem: *nfcache |= NFC_UNKNOWN;
context: init(struct ip6t_entry_target *t, unsigned int *nfcache){	struct ip6t_reject_info *reject = (struct ip6t_reject_info *)t->data;	/* default */	reject->with = IP6T_ICMP6_PORT_UNREACH;	/* Can't cache this */	*nfcache |= NFC_UNKNOWN;}