rem: *nfcache |= NFC_UNKNOWN;
context: init(struct ipt_entry_target *target, unsigned int *nfcache){	struct ipt_pool_info *ipi = (struct ipt_pool_info *) target->data;	ipi->src = ipi->dst = IP_POOL_NONE;	ipi->flags = 0;	/* Can't cache this */	*nfcache |= NFC_UNKNOWN;}