these 4 derivations will be built:
  /nix/store/a3rvkdzx4n5ydh5c9f23f8wa129kwa3b-ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2.drv
  /nix/store/kq5spgnrjrla6h2c2dczvj86dpgvny6v-run-vm-vm.drv
  /nix/store/cjh8bh8xxn5dckp9q4h8ql1d95hdsvr4-driver-configuration.json.drv
  /nix/store/f08y6pw7yyl09jj23mzz56k6g3d3spws-vm-test-ubuntu_26_04.drv