diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c
index b48d6b5..a1d9a59 100644
--- a/net/netfilter/nf_nat_core.c
+++ b/net/netfilter/nf_nat_core.c
@@ -701,9 +701,14 @@ EXPORT_SYMBOL_GPL(nf_nat_l3proto_unregister);
 /* No one using conntrack by the time this called. */
 static void nf_nat_cleanup_conntrack(struct nf_conn *ct)
 {
-	if (ct->status & IPS_SRC_NAT_DONE)
-		rhltable_remove(&nf_nat_bysource_table, &ct->nat_bysource,
+	int err;
+
+	if (ct->status & IPS_SRC_NAT_DONE) {
+		err = rhltable_remove(&nf_nat_bysource_table, &ct->nat_bysource,
 				nf_nat_bysource_params);
+		if (err == -ENOENT)
+			printk("%s, not found\n", __func__);
+	}
 }
 
 static struct nf_ct_ext_type nat_extend __read_mostly = {