static size_t fib6_rule_nlmsg_payload(struct fib_rule *rule)
{
	return nla_total_size(16) /* dst */
	       + nla_total_size(16); /* src */
}
static size_t fib6_rule_nlmsg_payload(struct fib_rule *rule)
{
	return nla_total_size(16)  
	       + nla_total_size(16);  
}