these 4 derivations will be built:
  /nix/store/pj7y1492xfda11llyxqf1grrmlagc43j-ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/jqv7a6lfdkgspgib94411h93l0cgpddi-run-vm-vm.drv
  /nix/store/1k9g8mpjmjrvbj38jsqklj83mmqddp8f-driver-configuration.json.drv
  /nix/store/lkbg3ypggvmcs65ifjm16vfzkk5x2hxm-test-driver.drv
building '/nix/store/pj7y1492xfda11llyxqf1grrmlagc43j-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> [   4.8] Setting the machine ID in /etc/machine-id
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   4.8] 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/gwc0ksfgmqhdr0xhwmyrs4sl5902vjpx-run-script
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   5.0] SELinux relabelling
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   5.0] Finishing off
building '/nix/store/jqv7a6lfdkgspgib94411h93l0cgpddi-run-vm-vm.drv'
run-vm-vm> structuredAttrs is enabled
building '/nix/store/1k9g8mpjmjrvbj38jsqklj83mmqddp8f-driver-configuration.json.drv'
driver-configuration.json> structuredAttrs is enabled
building '/nix/store/lkbg3ypggvmcs65ifjm16vfzkk5x2hxm-test-driver.drv'
test-driver> structuredAttrs is enabled

upload niks3: ok