nixos-config/machines/probe/hardware-configuration/hetzner.nix

{
  systemd.network.enable = true;
  systemd.network.networks."10-private-hetzner" = {
    matchConfig.Name = "e*";
    networkConfig.DHCP = "ipv4";
    linkConfig.RequiredForOnline = "routable";
  };
  boot.loader.grub = {
    efiSupport = true;
    efiInstallAsRemovable = true;
  };
}