--- zzzz-none-000/linux-4.19.183/net/l2tp/l2tp_eth.c	2021-03-24 10:07:39.000000000 +0000
+++ bcm63-7530ax-756/linux-4.19.183/net/l2tp/l2tp_eth.c	2023-06-28 08:54:21.000000000 +0000
@@ -155,7 +155,7 @@
 	skb->ip_summed = CHECKSUM_NONE;
 
 	skb_dst_drop(skb);
-	nf_reset(skb);
+	nf_reset_no_generic_ct(skb);
 
 	rcu_read_lock();
 	dev = rcu_dereference(spriv->dev);