{ config, pkgs, lib, ... }:
{
  boot.loader.grub.device = "/dev/vda";
  fileSystems."/" = { device = "/dev/vda1"; fsType = "ext4"; };
  networking = {
    firewall.allowedTCPPorts = [ 22 80 443 ];
    nameservers = [
      "67.207.67.2"
      "67.207.67.3"
    ];
    defaultGateway = "138.68.40.1";
    defaultGateway6 = "";
    dhcpcd.enable = false;
    usePredictableInterfaceNames = lib.mkForce true;
    interfaces = {
      eth0 = {
        ipv4.addresses = [
          { address="138.68.40.97"; prefixLength=21; }
          { address="10.46.0.5"; prefixLength=16; }
        ];
        ipv6.addresses = [
          { address="fe80::b063:c4ff:fee5:d636"; prefixLength=64; }
        ];
        ipv4.routes = [ { address = "138.68.40.1"; prefixLength = 32; } ];
        ipv6.routes = [ { address = ""; prefixLength = 32; } ];
      };

    };
  };
  services.udev.extraRules = ''
    ATTR{address}=="b2:63:c4:e5:d6:36", NAME="eth0"

  '';
}