rem: *nfcache |= NFC_UNKNOWN;
context: init(struct ip6t_entry_match *m, unsigned int *nfcache){	struct ip6t_ipv6header_info *info = (struct ip6t_ipv6header_info *)m->data;	info->matchflags = 0x00;	info->invflags = 0x00;	info->modeflag = 0x00;	/* No caching (yet) */	*nfcache |= NFC_UNKNOWN;}