these 4 derivations will be built:
  /nix/store/ph5s4a4v43jxjw1rx68gz3pcr1vh02nr-ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/zw3s82amy2iqxg0jn8qafjlf0vyqjf44-run-vm-vm.drv
  /nix/store/b18w72bhf7vhbjjm27dv9has0b8p3zf5-driver-configuration.json.drv
  /nix/store/pnr3nw1qxb8aaxyg0m28zb5rdldq1nfz-test-driver.drv
building '/nix/store/ph5s4a4v43jxjw1rx68gz3pcr1vh02nr-ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv'
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   0.0] Examining the guest ...
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   5.8] Setting a random seed
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> virt-customize: warning: random seed could not be set for this type of 
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> guest
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   5.8] Setting the machine ID in /etc/machine-id
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   5.8] Copying: backdoor.service to /etc/systemd/system
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   5.9] Copying: mount-store.service to /etc/systemd/system
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   5.9] Copying: resizeguest.service to /etc/systemd/system
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   5.9] Running: /nix/store/ak16ynrwy8ri9gk46j5vpdyq319c6vi4-run-script
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   6.0] SELinux relabelling
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   6.1] Finishing off
building '/nix/store/zw3s82amy2iqxg0jn8qafjlf0vyqjf44-run-vm-vm.drv'
building '/nix/store/b18w72bhf7vhbjjm27dv9has0b8p3zf5-driver-configuration.json.drv'
driver-configuration.json> structuredAttrs is enabled
building '/nix/store/pnr3nw1qxb8aaxyg0m28zb5rdldq1nfz-test-driver.drv'

upload niks3: ok