these 6 derivations will be built:
  /nix/store/6658z4lsjh1vi3ldai0z7dlvpbrwzw5q-libguestfs-1.56.2.drv
  /nix/store/kp543zls1k4jwjya1f5q4pn954z7pc85-guestfs-tools-1.52.3.drv
  /nix/store/5sfnf1dzdcshfzqs73hfip5xvwby37v6-ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/nl172s4025p5k9qlb2vmf3b4pqfnbf8y-run-vm-vm.drv
  /nix/store/7jbfn6r00ii7mfw329pjby47z78rzc1h-driver-configuration.json.drv
  /nix/store/wlbpg5xhiww4p5md91yz81rmlykk0wkp-test-driver.drv
building '/nix/store/5sfnf1dzdcshfzqs73hfip5xvwby37v6-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> [   8.1] 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> [   8.2] Setting the machine ID in /etc/machine-id
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   8.2] Copying: backdoor.service to /etc/systemd/system
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   8.2] Copying: mount-store.service to /etc/systemd/system
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   8.2] Copying: resizeguest.service to /etc/systemd/system
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   8.3] Running: /nix/store/9j2pmjmdm6pv8crd7jbma18vckw8az65-run-script
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   9.4] SELinux relabelling
ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   9.7] Finishing off
building '/nix/store/nl172s4025p5k9qlb2vmf3b4pqfnbf8y-run-vm-vm.drv'
building '/nix/store/7jbfn6r00ii7mfw329pjby47z78rzc1h-driver-configuration.json.drv'
driver-configuration.json> structuredAttrs is enabled
building '/nix/store/wlbpg5xhiww4p5md91yz81rmlykk0wkp-test-driver.drv'

upload niks3: ok