these 4 derivations will be built:
  /nix/store/q0rl33xrc612bh8zq30g6dl8awpr5i5v-ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/9z02ida46ri410fqkmq83fs2mpjl0pah-run-vm-vm.drv
  /nix/store/xc5p4n4iylxmg7yrgf3jh8zy8r89n6vr-driver-configuration.json.drv
  /nix/store/lbw7fabdgrsd97nnr5lznp3hrnhsg6kf-test-driver.drv
building '/nix/store/q0rl33xrc612bh8zq30g6dl8awpr5i5v-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> [   4.6] 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> [   4.7] Copying: mount-store.service to /etc/systemd/system
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   4.7] Copying: resizeguest.service to /etc/systemd/system
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   4.7] Running: /nix/store/gwc0ksfgmqhdr0xhwmyrs4sl5902vjpx-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> [   4.9] Finishing off
building '/nix/store/9z02ida46ri410fqkmq83fs2mpjl0pah-run-vm-vm.drv'
run-vm-vm> structuredAttrs is enabled
building '/nix/store/xc5p4n4iylxmg7yrgf3jh8zy8r89n6vr-driver-configuration.json.drv'
driver-configuration.json> structuredAttrs is enabled
building '/nix/store/lbw7fabdgrsd97nnr5lznp3hrnhsg6kf-test-driver.drv'
test-driver> structuredAttrs is enabled

upload niks3: ok