these 6 derivations will be built:
  /nix/store/znfyvgcw02bbsdjyskbj641aj628h913-libguestfs-1.56.2.drv
  /nix/store/5d284xrsa8mp0gwhg7zq8kncnckjmp2a-guestfs-tools-1.52.3.drv
  /nix/store/01w4nkqksbf6nhfavgnak6kdpl2gw5a2-ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/iraflf7b4akax672i899xck6kdjaf1j3-run-vm-vm.drv
  /nix/store/sfxy1w5myy1nd3921nsx0w3xkgxb9as0-driver-configuration.json.drv
  /nix/store/3bwqk77p2vpw9wsdl3303pfzhf1jh37a-test-driver.drv
building '/nix/store/01w4nkqksbf6nhfavgnak6kdpl2gw5a2-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> [   4.4] 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> [   4.4] Setting the machine ID in /etc/machine-id
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   4.4] Copying: backdoor.service to /etc/systemd/system
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   4.5] Copying: mount-store.service to /etc/systemd/system
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   4.5] Copying: resizeguest.service to /etc/systemd/system
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   4.5] Running: /nix/store/gwc0ksfgmqhdr0xhwmyrs4sl5902vjpx-run-script
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   4.7] SELinux relabelling
ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2> [   4.8] Finishing off
building '/nix/store/iraflf7b4akax672i899xck6kdjaf1j3-run-vm-vm.drv'
run-vm-vm> structuredAttrs is enabled
building '/nix/store/sfxy1w5myy1nd3921nsx0w3xkgxb9as0-driver-configuration.json.drv'
driver-configuration.json> structuredAttrs is enabled
building '/nix/store/3bwqk77p2vpw9wsdl3303pfzhf1jh37a-test-driver.drv'
test-driver> structuredAttrs is enabled

upload niks3: ok