{
  "org.nixos.bootspec.v1": {
    "system": "x86_64-linux",
    "init": "/nix/store/xxx-nixos-system-xxx/init",
    "initrd": "/nix/store/xxx-initrd-linux/initrd",
    "initrdSecrets": "/nix/store/xxx-append-secrets/bin/append-initrd-secrets",
    "kernel": "/nix/store/xxx-linux/bzImage",
    "kernelParams": [
      "amd_iommu=on",
      "amd_iommu=pt",
      "iommu=pt",
      "kvm.ignore_msrs=1",
      "kvm.report_ignored_msrs=0",
      "udev.log_priority=3",
      "systemd.unified_cgroup_hierarchy=1",
      "loglevel=4"
    ],
    "label": "NixOS 21.11.20210810.dirty (Linux 5.15.30)",
    "toplevel": "/nix/store/xxx-nixos-system-xxx"
  },
  "org.nixos.specialisation.v1": {
    "<name>": {
      "org.nixos.bootspec.v1": {
        "system": "x86_64-linux",
        "init": "/nix/store/xxx-nixos-system-xxx/init",
        "initrd": "/nix/store/xxx-initrd-linux/initrd",
        "initrdSecrets": "/nix/store/xxx-append-secrets/bin/append-initrd-secrets",
        "kernel": "/nix/store/xxx-linux/bzImage",
        "kernelParams": [
          "amd_iommu=on",
          "amd_iommu=pt",
          "iommu=pt",
          "kvm.ignore_msrs=1",
          "kvm.report_ignored_msrs=0",
          "udev.log_priority=3",
          "systemd.unified_cgroup_hierarchy=1",
          "loglevel=4"
        ],
        "label": "NixOS 21.11.20210810.dirty (Linux 5.15.30)",
        "toplevel": "/nix/store/xxx-nixos-system-xxx"
      }
    }
  }
}