{ ... }:
{
    # Enable packet forwarding and pack logging
    boot.kernel.sysctl = {
        # Ipv4 
        "net.ipv4.conf.all.forwarding" = true;
        # Ipv6
        "net.ipv6.conf.all.forwarding" = true;

        # NF
        "net.netfilter.nf_conntrack_acct" = 1;
        "net.netfilter.nf_conntrack_log_invalid" = 255;
    };
}