these 4 derivations will be built:
  /nix/store/h36fi4vfj3c0p7gin1x8771dk8gx4qzm-ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2.drv
  /nix/store/yn6ldqb6gl07hrdccp1rac7dh74bwq5l-run-vm-vm.drv
  /nix/store/01ik9gpwbkxibl5l3c25yhb3bkshn681-driver-configuration.json.drv
  /nix/store/3ni7k4giv6bbpz84813v46285i5yaapv-vm-test-ubuntu_26_04.drv