--- zzzz-none-000/linux-3.10.107/net/bridge/netfilter/ebt_dnat.c	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/net/bridge/netfilter/ebt_dnat.c	2021-11-10 11:53:56.000000000 +0000
@@ -22,7 +22,7 @@
 	if (!skb_make_writable(skb, 0))
 		return EBT_DROP;
 
-	memcpy(eth_hdr(skb)->h_dest, info->mac, ETH_ALEN);
+	ether_addr_copy(eth_hdr(skb)->h_dest, info->mac);
 	return info->target;
 }