--- zzzz-none-000/linux-4.19.183/net/bridge/br_device.c	2021-03-24 10:07:39.000000000 +0000
+++ bcm63-7530ax-756/linux-4.19.183/net/bridge/br_device.c	2023-06-28 08:54:21.000000000 +0000
@@ -42,6 +42,8 @@
 	struct ethhdr *eth;
 	u16 vid = 0;
 
+	memset(skb->cb, 0, sizeof(struct br_input_skb_cb));
+
 	rcu_read_lock();
 	nf_ops = rcu_dereference(nf_br_ops);
 	if (nf_ops && nf_ops->br_dev_xmit_hook(skb)) {
@@ -454,5 +456,6 @@
 	br_netfilter_rtable_init(br);
 	br_stp_timer_init(br);
 	br_multicast_init(br);
+	br_flood_rl_setup(br);
 	INIT_DELAYED_WORK(&br->gc_work, br_fdb_cleanup);
 }