netfilter flow offload example

nftables.conf

table inet flowoffload {
        flowtable f {
                hook ingress priority 0
                devices = { eno1, eno2, ens1f0, ens1f1, virbr0, virbr-cube-kvm }
        }

        chain flowoffload {
                type filter hook forward priority 0; policy accept;
                ip protocol { tcp, udp } flow offload @f
                ip6 nexthdr { tcp, udp } flow offload @f
                counter
                ct state established,related counter accept
                ip protocol { tcp, udp } accept
                ip6 nexthdr { tcp, udp } accept
        }
}