these 4 derivations will be built:
  /nix/store/x5f9wzy5y8ckjs00s4b4l9xm7037262m-ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/a1jmx7iywnrp5x7nbgr0s1vi13hk6i5r-run-vm-vm.drv
  /nix/store/g1l7ji9b3g13waad6lmj1snc2jwjhyh1-driver-configuration.json.drv
  /nix/store/wpvvfdjphq38pwpq4ck0vvzv74as5jsr-test-driver.drv
building '/nix/store/x5f9wzy5y8ckjs00s4b4l9xm7037262m-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> [   4.7] 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> [   4.7] Setting the machine ID in /etc/machine-id
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   4.7] Copying: backdoor.service to /etc/systemd/system
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   4.8] Copying: mount-store.service to /etc/systemd/system
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   4.8] Copying: resizeguest.service to /etc/systemd/system
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   4.8] Running: /nix/store/ak16ynrwy8ri9gk46j5vpdyq319c6vi4-run-script
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   4.9] SELinux relabelling
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   5.0] Finishing off
building '/nix/store/a1jmx7iywnrp5x7nbgr0s1vi13hk6i5r-run-vm-vm.drv'
building '/nix/store/g1l7ji9b3g13waad6lmj1snc2jwjhyh1-driver-configuration.json.drv'
driver-configuration.json> structuredAttrs is enabled
building '/nix/store/wpvvfdjphq38pwpq4ck0vvzv74as5jsr-test-driver.drv'

upload niks3: ok