these 4 derivations will be built:
  /nix/store/sjhsm5da01pgl2kbwcv46dfpm7y6i5xq-ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2.drv
  /nix/store/zrpmwcfckw0wzr9jvn290x5j632vkr6r-run-vm-vm.drv
  /nix/store/ws0p1kgmx52avhrw45jk3kdhvbvh7kyb-driver-configuration.json.drv
  /nix/store/ymf6a6xiachc9my3qi9yxjlh9v9802y7-vm-test-ubuntu_26_04.drv