error:
       … while evaluating the attribute 'drvPath'
         at «https://releases.nixos.org/nixpkgs/nixpkgs-26.11pre1062790.c27cdad491a9/nixexprs.tar.xz?narHash=sha256-4Opnii0iGg8Dk8/rZ2IYh/HCHvg1B%2BUs5%2BQg%2BQy5c18%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/960gm9cw04za14da8wv6q4q3h67n898r-source/nixos/lib/testing/driver-configuration.nix':

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

       … while evaluating definitions from `/nix/store/960gm9cw04za14da8wv6q4q3h67n898r-source/nixos/modules/hardware/facter/networking':

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

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

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

       … while evaluating definitions from `/nix/store/dyxxi0sw8qh78awrfg0yds048vrjpac3-source/nixosModules/clanCore/nixos-facter.nix':

       … while evaluating the option `containers.clientone.clan.core.settings.directory':

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

       error: Flake does not have 'input' named 'nixpkgs'