these 4 derivations will be built:
  /nix/store/qv4d1wnyjbl9zkwmflpyfairmyxh3wyw-ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2.drv
  /nix/store/9k10j296bzg3rb4397b0j858a1j7xczq-run-vm-vm.drv
  /nix/store/chr3ni9axz03m3k8y8wfz1s4b1gf0vh0-driver-configuration.json.drv
  /nix/store/g79jzwgb5jsjx82s7lndwxz5smym84v7-vm-test-ubuntu_26_04.drv