would be great if
Could be backported to 6.12, I tried it on a standard linux install and it did improve performance after running the commands. eg...
nft add table bridge filter
nft add flowtable bridge filter fb \ { hook ingress priority 0\; devices = { lan1,lan2,lan3,lan4 }\; }
nft 'add chain bridge filter forward { type filter hook forward priority filter; policy accept; }'
nft add rule bridge filter forward ct state established flow add @fb