static void u32_delete_key_freepf_work(struct work_struct *work)
{
	struct tc_u_knode *key = container_of(to_rcu_work(work),
					      struct tc_u_knode,
					      rwork);
	rtnl_lock();
	u32_destroy_key(key, true);
	rtnl_unlock();
}
static void u32_delete_key_freepf_work(struct work_struct *work)
{
	struct tc_u_knode *key = container_of(to_rcu_work(work),
					      struct tc_u_knode,
					      rwork);
	rtnl_lock();
	u32_destroy_key(key, true);
	rtnl_unlock();
}