these 4 derivations will be built:
  /nix/store/xj44h6ka2xwc89qcw6vm9kgmy66hlzgf-ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2.drv
  /nix/store/z1d1apgdbyxs75pgipbs56hyadka5lc5-run-vm-vm.drv
  /nix/store/zx6bjc1g0qyij2wi90h2awkksmp76kdl-driver-configuration.json.drv
  /nix/store/jypik5i5n01836r9bpp1r26z3yrkwz4v-vm-test-ubuntu_26_04.drv