{
  boot.initrd.availableKernelModules = [ "ahci" "ehci_pci" "usb_storage" "usbhid" "sd_mod" ];
  boot.initrd.kernelModules = [ "dm-snapshot" ];

  nixpkgs.hostPlatform = "x86_64-linux";
  hardware.cpu.intel.updateMicrocode = true;

  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;
  boot.initrd.systemd.enable = true;

  boot.initrd.services.lvm.enable = true;

  boot.kernelParams = [
    "console=tty1"
    "console=ttyS0,115200"
  ];

  fileSystems = {
    "/" = {
      device = "/dev/disk/by-label/root";
      fsType = "ext4";
    };

    "/boot" = {
      device = "/dev/disk/by-label/BOOT";
      fsType = "vfat";
      options = [ "fmask=0022" "dmask=0022" ];
    };
  };

  swapDevices = [
    {
      device = "/swapfile";
      size = 20 * 1024;  # 50GiB
    }
  ];

  zramSwap = {
    enable = true;
    memoryPercent = 100;
  };

  networking.useNetworkd = true;

  systemd.network = {
    netdevs = {
      "40-uplink" = {
        netdevConfig = {
          Kind = "bond";
          Name = "uplink";
        };
        bondConfig = {
          Mode = "802.3ad";
          TransmitHashPolicy = "layer3+4";
        };
      };
    };
    networks = {
      "40-eno1" = {
        name = "eno1";
        bond = [ "uplink" ];
      };
      "40-eno2" = {
        name = "eno2";
        bond = [ "uplink" ];
      };
    };
  };
  networking.interfaces.uplink.ipv6.addresses = [
    { address = "2a01:584:11::1:11"; prefixLength = 64; }
  ];
  networking.defaultGateway6 = { interface = "uplink"; address = "2a01:584:11::1"; };

  bagel.infra.self.wan = {
    family = "inet6";
    address = "2a01:584:11::1:11";
    prefixLength = 64;
  };

  services.coredns = {
    enable = true;
    config = ''
      . {
        bind lo
        forward . 2001:4860:4860::6464
        template ANY A { rcode NOERROR }
      }
    '';
  };
  services.resolved.enable = false;
  networking.resolvconf.useLocalResolver = true;
}