MicroVM and systemd access

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Hey folks, trying to use MicroVMs on my NixOS host:

{ config, lib, secret, ...}:
{
  imports = [
    # inputs.sops-nix.nixosModules.sops
    ./microvm.nix
    # ../../../nixosModules/nextdns.nix
  ];

  sops.secrets.nextdns-server-config = {
    sopsFile = secret "nextdns-server-config";
    format = "binary";
  };

  networking.hostName = "nextdns";
}

base config:

{ inputs, config, lib, pkgs, secretUploadDirectory, ...}:
let
  hostName = config.networking.hostName;
  baseDir = "/var/lib/microvms/${hostName}";
in
{
  imports = [
    inputs.sops-nix.nixosModules.sops
    inputs.microvm.nixosModules.microvm
  ];

  microvm = {
    hypervisor = lib.mkDefault "cloud-hypervisor";
    vcpu = lib.mkDefault 1;
    hotplugMem = lib.mkDefault 1536;
    socket = lib.mkDefault "control.socket";

    shares = [
      {
        source = "/nix/store";
        mountPoint = "/nix/.ro-store";
        tag = "store";
        proto = "virtiofs";
        socket = "${baseDir}/store.socket";
      }
      {
        source = "/persist/microvm/${hostName}/journal";
        mountPoint = "/var/log/journal";
        tag = "journal";
        proto = "virtiofs";
        socket = "journal.sock";
      }
      {
        source = secretUploadDirectory;
        mountPoint = "/var/lib/sops-nix";
        tag = "sops-nix";
        proto = "virtiofs";
        readOnly = true;
        socket = "${baseDir}/sops.socket";
      }
      {
        source = "/persist/microvm/${hostName}/ssh";
        mountPoint = "/etc/ssh";
        tag = "ssh";
        proto = "virtiofs";
        socket = "${baseDir}/ssh.socket";
      }
      {
        source = "/persist/microvm/${hostName}";
        mountPoint = "/persist";
        tag = "persist";
        proto = "virtiofs";
        socket = "${baseDir}/persist.socket";
      }
    ];

    writableStoreOverlay = "/nix/.rw-store";
    volumes = [
      {
        image = "nix-store-overlay.img";
        mountPoint = "/nix/.rw-store";
        size = 2048;
      }
    ];

    interfaces = [
      {
        type = "tap";
        id = "vm-${
          if builtins.stringLength hostName <= 8
          then hostName
          else builtins.substring (builtins.stringLength hostName - 8) 8 hostName
        }";
        mac = let
          hash = builtins.hashString "sha256" hostName;
          octets = lib.genList (i: builtins.substring (i * 2) 2 hash) 5;
        in "02:${lib.concatStringsSep ":" octets}";
      }
    ];
  };

  fileSystems = lib.genAttrs (map (share: share.mountPoint) config.microvm.shares) (_: {
    neededForBoot = true;
  });

  system.stateVersion = "25.11";
}

here is the error:

Jan 01 13:51:43 nextdns dbus-daemon[602]: Cannot setup inotify for '/nix/store/irz8md9brygv51qi83hsmhv8hqjbi6wq-system-path/share/dbus-1/system.d'; error 'Operation not supported'
Jan 01 13:51:43 nextdns systemd[1]: Started D-Bus System Message Bus.
Jan 01 13:51:43 nextdns dbus-daemon[602]: [system] Successfully activated service 'org.freedesktop.systemd1'
Jan 01 13:51:43 nextdns (networkd)[613]: systemd-networkd.service: Failed to execute /nix/store/2jfxgvg1fqabjp65aqdrk50ljfmkd6pl-systemd-258.2/lib/systemd/systemd-networkd: Operation not supported
Jan 01 13:51:43 nextdns (networkd)[613]: systemd-networkd.service: Failed at step EXEC spawning /nix/store/2jfxgvg1fqabjp65aqdrk50ljfmkd6pl-systemd-258.2/lib/systemd/systemd-networkd: Operation not supported
Jan 01 13:51:43 nextdns systemd[1]: systemd-networkd.service: Main process exited, code=exited, status=203/EXEC
Jan 01 13:51:43 nextdns systemd[1]: systemd-networkd.service: Failed with result 'exit-code'.
Jan 01 13:51:43 nextdns systemd[1]: Failed to start Network Configuration.
Jan 01 13:51:43 nextdns systemd[1]: Dependency failed for Enable Persistent Storage in systemd-networkd.
Jan 01 13:51:43 nextdns systemd[1]: systemd-networkd-persistent-storage.service: Job systemd-networkd-persistent-storage.service/start failed with result 'dependency'.
Jan 01 13:51:43 nextdns systemd[1]: systemd-networkd.service: Scheduled restart job, restart counter is at 4.
Jan 01 13:51:43 nextdns systemd[1]: Starting Network Configuration...
Jan 01 13:51:43 nextdns (networkd)[617]: systemd-networkd.service: Failed to execute /nix/store/2jfxgvg1fqabjp65aqdrk50ljfmkd6pl-systemd-258.2/lib/systemd/systemd-networkd: Operation not supported
Jan 01 13:51:43 nextdns (networkd)[617]: systemd-networkd.service: Failed at step EXEC spawning /nix/store/2jfxgvg1fqabjp65aqdrk50ljfmkd6pl-systemd-258.2/lib/systemd/systemd-networkd: Operation not supported

I really have no clue now…

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