error:
       … while evaluating the attribute 'drvPath'
         at «https://releases.nixos.org/nixpkgs/nixpkgs-26.11pre1100901.d3b13ad75cc4/nixexprs.tar.zst?narHash=sha256-lrp%2BA0ZwQN3V0tSZP6vVFIX/16FFOzr19mSup8XD80w%3D»/lib/customisation.nix:420:11:
          419|         // {
          420|           drvPath =
             |           ^
          421|             assert condition;

       … while calling the 'derivationStrict' builtin
         at «nix-internal»/derivation-internal.nix:37:12:
           36|
           37|   strict = derivationStrict drvAttrs;
             |            ^
           38|

       … while evaluating the option `driverConfiguration.vms.machine.start_script':

       … while evaluating definitions from `/nix/store/5kch26ml22zg5gx0gym9nff7j5rificm-source/nixos/lib/testing/driver-configuration.nix':

       … while evaluating the option `nodes.machine.system.build.toplevel':

       … while evaluating definitions from `/nix/store/5kch26ml22zg5gx0gym9nff7j5rificm-source/nixos/modules/system/activation/top-level.nix':

       … while evaluating the option `nodes.machine.warnings':

       … while evaluating definitions from `/nix/store/5kch26ml22zg5gx0gym9nff7j5rificm-source/nixos/modules/system/boot/systemd/tmpfiles.nix':

       … while evaluating the option `nodes.machine.boot.initrd.systemd.storePaths':

       … while evaluating definitions from `/nix/store/5kch26ml22zg5gx0gym9nff7j5rificm-source/nixos/modules/system/boot/systemd/initrd.nix':

       … while evaluating the option `nodes.machine.boot.initrd.systemd.contents':

       … while evaluating definitions from `/nix/store/5kch26ml22zg5gx0gym9nff7j5rificm-source/nixos/modules/system/boot/systemd/tmpfiles.nix':

       … while evaluating the option `nodes.machine.boot.initrd.systemd.tmpfiles.settings':

       … while evaluating definitions from `/nix/store/3favnn3jxv9r7iavljf6id2k1hylk6al-source/modules/envfs.nix':

       … while evaluating the option `nodes.machine.boot.initrd.systemd.enable':

       (stack trace truncated; use '--show-trace' to show the full, detailed trace)

       error: The option `boot.initrd.systemd.enable' can no longer be used since it's been removed. Scripted initrd has been removed.