error:
       … while evaluating the attribute 'drvPath'
         at «https://releases.nixos.org/nixpkgs/nixpkgs-26.11pre1078625.00455b0a3690/nixexprs.tar.xz?narHash=sha256-rjHlujuny2I7z9j8P6RYRYyylenQX5/FXsYYUOK8ddY%3D»/lib/customisation.nix:416:11:
          415|         // {
          416|           drvPath =
             |           ^
          417|             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.vlans':

       … while evaluating definitions from `/nix/store/6qdpccb77vmah3jywf8mrskwca05as1z-source/nixos/lib/testing/driver-configuration.nix':

       … while evaluating the option `containers.peer1.networking.interfaces':

       … while evaluating definitions from `/nix/store/6qdpccb77vmah3jywf8mrskwca05as1z-source/nixos/modules/hardware/facter/networking':

       … while evaluating the option `containers.peer1.hardware.facter.enable':

       … while evaluating the option `containers.peer1.hardware.facter.report':

       … while evaluating the option `containers.peer1.hardware.facter.reportPath':

       … while evaluating definitions from `/nix/store/5xq74m2dqmq9y7wi1as7vd989m8rhb48-source/nixosModules/clanCore/nixos-facter.nix':

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

       error: Cannot build '/nix/store/15a949chgf4lq3gg8afaacqw9ybf94y6-merged-test-dir-hello-service.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/j1mhsajhr3hykkmrb0h1pb4fphlz7zmk-merged-test-dir-hello-service