these 5 derivations will be built:
  /nix/store/9a2bzh4l1izbdqw1ramz46gmkn0rff5y-ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/gnffs6n41kqahkj9vgnm02sakizirpym-test-script.drv
  /nix/store/i0pglb14wz19g8f30jxlfpljywknci77-run-vm-vm.drv
  /nix/store/r4fvfsqqxjqdf2i36pam5sa6a0lrmc70-driver-configuration.json.drv
  /nix/store/q92ijb4s8ki067z1jkzyhc98gi6dfh9g-test-driver.drv
building '/nix/store/gnffs6n41kqahkj9vgnm02sakizirpym-test-script.drv'
building '/nix/store/9a2bzh4l1izbdqw1ramz46gmkn0rff5y-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> [  40.3] 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> [  41.1] Setting the machine ID in /etc/machine-id
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [  41.1] Copying: backdoor.service to /etc/systemd/system
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [  41.1] Copying: mount-store.service to /etc/systemd/system
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [  41.2] Copying: resizeguest.service to /etc/systemd/system
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [  41.2] Running: /nix/store/ak16ynrwy8ri9gk46j5vpdyq319c6vi4-run-script
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [  42.1] SELinux relabelling
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [  42.6] Finishing off
building '/nix/store/i0pglb14wz19g8f30jxlfpljywknci77-run-vm-vm.drv'
building '/nix/store/r4fvfsqqxjqdf2i36pam5sa6a0lrmc70-driver-configuration.json.drv'
driver-configuration.json> structuredAttrs is enabled
building '/nix/store/q92ijb4s8ki067z1jkzyhc98gi6dfh9g-test-driver.drv'

upload niks3: ok