these 4 derivations will be built:
  /nix/store/nbdjqbz35idiikz6jxb37c7kh1abk69y-ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/1mkpswdn0cdvin1xv9jvnsv6ii7c5zy0-run-vm-vm.drv
  /nix/store/h9nf8phjr69wk68bpa4r9474mjbb2lv0-driver-configuration.json.drv
  /nix/store/bpk53r5bh673nacgmgb1mlmkq561ykf6-test-driver.drv
building '/nix/store/nbdjqbz35idiikz6jxb37c7kh1abk69y-ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv'
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   0.0] Examining the guest ...
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   8.7] Setting a random seed
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> virt-customize: warning: random seed could not be set for this type of 
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> guest
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   8.7] Setting the machine ID in /etc/machine-id
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   8.7] Copying: backdoor.service to /etc/systemd/system
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   8.7] Copying: mount-store.service to /etc/systemd/system
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   8.7] Copying: resizeguest.service to /etc/systemd/system
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   8.8] Running: /nix/store/79sj99idfnjraik226s1k4ixd2693qsd-run-script
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   9.0] SELinux relabelling
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   9.2] Finishing off
building '/nix/store/1mkpswdn0cdvin1xv9jvnsv6ii7c5zy0-run-vm-vm.drv'
run-vm-vm> structuredAttrs is enabled
building '/nix/store/h9nf8phjr69wk68bpa4r9474mjbb2lv0-driver-configuration.json.drv'
driver-configuration.json> structuredAttrs is enabled
building '/nix/store/bpk53r5bh673nacgmgb1mlmkq561ykf6-test-driver.drv'
test-driver> structuredAttrs is enabled

upload niks3: ok