diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index f9179e0..45bfe9f 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -317,6 +317,8 @@ static int tc_ctl_tfilter(struct sk_buff *skb, struct nlmsghdr *n)
 		if (n->nlmsg_type == RTM_DELTFILTER && t->tcm_handle == 0) {
 			struct tcf_proto *next = rtnl_dereference(tp->next);
 
+			printk(KERN_ERR "DEBUGG:SK delete filter by: %pf\n", tp->ops->get);
+
 			RCU_INIT_POINTER(*back, next);
 
 			tfilter_notify(net, skb, n, tp, fh,
@@ -370,6 +372,7 @@ static int tc_ctl_tfilter(struct sk_buff *skb, struct nlmsghdr *n)
 			      n->nlmsg_flags & NLM_F_CREATE ? TCA_ACT_NOREPLACE : TCA_ACT_REPLACE);
 	if (err == 0) {
 		if (tp_created) {
+			printk(KERN_ERR "DEBUGG:SK add/change filter by: %pf\n", tp->ops->change);
 			RCU_INIT_POINTER(tp->next, rtnl_dereference(*back));
 			rcu_assign_pointer(*back, tp);
 		}