rem: struct ip_nat_multi_range *mr = (struct ip_nat_multi_range *)target->data;
add: struct ipt_same_info *mr = (struct ipt_same_info *)target->data;
context: save(const struct ipt_ip *ip, const struct ipt_entry_target *target){	struct ip_nat_multi_range *mr		= (struct ip_nat_multi_range *)target->data;	struct ip_nat_range *r = &mr->range[0];	struct in_addr a;	a.s_addr = r->min_ip;	printf("--to %s", addr_to_dotted(&a));	a.s_addr = r->max_ip;	printf("-%s ", addr_to_dotted(&a));}