these 4 derivations will be built:
  /nix/store/m6lazysmlhf32sxlmbzr98n2nj9jxfyb-test-script.drv
  /nix/store/r43avmm3lf0ipfk3ay8hyyjdrwjah98x-driverConfiguration.json.drv
  /nix/store/cf9dsr9ciyqpy7bqg0yjbvkjhsiwai8q-nixos-test-driver-iets-prefetch-e2e.drv
  /nix/store/i2bndv8nz3b65kngz707sdkl2n6hjqxf-container-test-run-iets-prefetch-e2e.drv
building '/nix/store/m6lazysmlhf32sxlmbzr98n2nj9jxfyb-test-script.drv'
test-script> structuredAttrs is enabled
building '/nix/store/r43avmm3lf0ipfk3ay8hyyjdrwjah98x-driverConfiguration.json.drv'
driverConfiguration.json> structuredAttrs is enabled
building '/nix/store/cf9dsr9ciyqpy7bqg0yjbvkjhsiwai8q-nixos-test-driver-iets-prefetch-e2e.drv'
nixos-test-driver-iets-prefetch-e2e> Running type check (enable/disable: config.skipTypeCheck)
nixos-test-driver-iets-prefetch-e2e> See https://nixos.org/manual/nixos/stable/#test-opt-skipTypeCheck
nixos-test-driver-iets-prefetch-e2e> All checks passed!
nixos-test-driver-iets-prefetch-e2e> Linting test script (enable/disable: config.skipLint)
nixos-test-driver-iets-prefetch-e2e> See https://nixos.org/manual/nixos/stable/#test-opt-skipLint
nixos-test-driver-iets-prefetch-e2e> All checks passed!
building '/nix/store/i2bndv8nz3b65kngz707sdkl2n6hjqxf-container-test-run-iets-prefetch-e2e.drv'
container-test-run-iets-prefetch-e2e> Machine state will be reset. To keep it, pass --keep-machine-state
container-test-run-iets-prefetch-e2e> start all VLans
container-test-run-iets-prefetch-e2e> (finished: start all VLans, in 0.01 seconds)
container-test-run-iets-prefetch-e2e> 
container-test-run-iets-prefetch-e2e> Test will time out and terminate in 3600.0 seconds
container-test-run-iets-prefetch-e2e> run the VM test script
container-test-run-iets-prefetch-e2e> additionally exposed symbols:
container-test-run-iets-prefetch-e2e>     machine,
container-test-run-iets-prefetch-e2e>     vlan1,
container-test-run-iets-prefetch-e2e>     start_all, test_script, machines, machines_qemu, machines_nspawn, vlans, driver, log, os, create_machine, subtest, run_tests, join_all, retry, serial_stdout_off, serial_stdout_on, polling_condition, BaseMachine, QemuMachine, NspawnMachine, t, debug, dump_machine_ssh
container-test-run-iets-prefetch-e2e> machine: waiting for unit multi-user.target
container-test-run-iets-prefetch-e2e> machine: systemd-nspawn running (pid 50)
container-test-run-iets-prefetch-e2e> machine: Waiting for journal at /build/vm-state-machine/var/log/journal...
container-test-run-iets-prefetch-e2e> nixos-nspawn(machine): TAP vde-tap1 not found; container will be isolated from VDE
container-test-run-iets-prefetch-e2e> nixos-nspawn(machine): A common reason for this is that /dev/net is not available in the Nix sandbox. Try adding /dev/net to extra-sandbox-paths.
container-test-run-iets-prefetch-e2e> Note: in a future version of systemd-nspawn the default set of permitted socket address families will be restricted to AF_INET, AF_INET6 and AF_UNIX. Use --restrict-address-families= to configure the set of permitted socket address families, or set RestrictAddressFamilies= in a .nspawn file.
container-test-run-iets-prefetch-e2e> ░ Spawning container machine on /build/vm-state-machine.
container-test-run-iets-prefetch-e2e> machine # No journal files were found.
container-test-run-iets-prefetch-e2e> machine # No journal boot entry found for the specified boot (+0).
container-test-run-iets-prefetch-e2e> machine # [1759329.142851] machine systemd-journald[57]: Journal started
container-test-run-iets-prefetch-e2e> machine # [1759329.142919] machine systemd-journald[57]: Runtime Journal (/run/log/journal/d7249cebcb0945cba5cce78ee65fc5b0) is 8M, max 2.5G, 2.5G free.
container-test-run-iets-prefetch-e2e> machine # [1759329.151122] machine systemd[1]: Finished Apply Kernel Variables.
container-test-run-iets-prefetch-e2e> machine # [1759329.170133] machine systemd[1]: Finished Create Static Device Nodes in /dev gracefully.
container-test-run-iets-prefetch-e2e> machine # [1759329.199868] machine systemd[1]: Starting Flush Journal to Persistent Storage...
container-test-run-iets-prefetch-e2e> machine # [1759329.200795] machine systemd[1]: Starting Create Static Device Nodes in /dev...
container-test-run-iets-prefetch-e2e> machine # [1759329.211577] machine systemd-journald[57]: Time spent on flushing to /var/log/journal/d7249cebcb0945cba5cce78ee65fc5b0 is 1.323ms for 6 entries.
container-test-run-iets-prefetch-e2e> machine # [1759329.211577] machine systemd-journald[57]: System Journal (/var/log/journal/d7249cebcb0945cba5cce78ee65fc5b0) is 512B, max 4G, 3.9G free.
container-test-run-iets-prefetch-e2e> machine # [1759329.231948] machine systemd[1]: Finished Create Static Device Nodes in /dev.
container-test-run-iets-prefetch-e2e> machine # [1759329.233109] machine systemd[1]: Reached target Preparation for Local File Systems.
container-test-run-iets-prefetch-e2e> machine # [1759329.233203] machine systemd[1]: Rule-based Manager for Device Events and Files skipped, unmet condition check ConditionPathIsReadWrite=/sys
container-test-run-iets-prefetch-e2e> machine # [1759329.243498] machine systemd[1]: Finished Flush Journal to Persistent Storage.
container-test-run-iets-prefetch-e2e> machine # [1759329.339389] machine systemd[1]: Finished Firewall.
container-test-run-iets-prefetch-e2e> machine # [1759330.106652] machine systemd[1]: Mounting /run/wrappers...
container-test-run-iets-prefetch-e2e> machine # [1759330.128834] machine systemd[1]: Mounted /run/wrappers.
container-test-run-iets-prefetch-e2e> machine # [1759330.131029] machine systemd[1]: Reached target Local File Systems.
container-test-run-iets-prefetch-e2e> machine # [1759330.131952] machine systemd[1]: Listening on Boot Loader Control Service Socket.
container-test-run-iets-prefetch-e2e> machine # [1759330.134942] machine systemd[1]: Starting Create SUID/SGID Wrappers...
container-test-run-iets-prefetch-e2e> machine # [1759330.134982] machine systemd[1]: Update Boot Loader Random Seed skipped, unmet condition check ConditionVirtualization=!container
container-test-run-iets-prefetch-e2e> machine # [1759330.136541] machine systemd[1]: Starting Save Transient machine-id to Disk...
container-test-run-iets-prefetch-e2e> machine # [1759330.138245] machine systemd[1]: Starting Create System Files and Directories...
container-test-run-iets-prefetch-e2e> machine # [1759330.152920] machine systemd-tmpfiles[161]: Cannot set file attributes for '/var/empty', value=0x00000010, mask=0x00000010, ignoring: Operation not permitted
container-test-run-iets-prefetch-e2e> machine # [1759330.153070] machine systemd-tmpfiles[161]: fchmod() of /var/log/journal failed: Operation not permitted
container-test-run-iets-prefetch-e2e> machine # [1759330.153175] machine systemd-tmpfiles[161]: fchmod() of /var/log/journal/d7249cebcb0945cba5cce78ee65fc5b0 failed: Operation not permitted
container-test-run-iets-prefetch-e2e> machine # [1759330.153330] machine systemd-tmpfiles[161]: fchmod() of /run/log/journal failed: Operation not permitted
container-test-run-iets-prefetch-e2e> machine # [1759330.156394] machine suid-sgid-wrappers-start[168]: chmod: changing permissions of '/run/wrappers/wrappers.LRHifZkhum/chsh': Operation not permitted
container-test-run-iets-prefetch-e2e> machine # [1759330.158676] machine systemd[1]: suid-sgid-wrappers.service: Main process exited, code=exited, status=1/FAILURE
container-test-run-iets-prefetch-e2e> machine # [1759330.158737] machine systemd[1]: suid-sgid-wrappers.service: Failed with result 'exit-code'.
container-test-run-iets-prefetch-e2e> machine # [1759330.158850] machine systemd[1]: Failed to start Create SUID/SGID Wrappers.
container-test-run-iets-prefetch-e2e> machine # [1759330.159664] machine systemd[1]: Finished Create System Files and Directories.
container-test-run-iets-prefetch-e2e> machine # [1759330.197650] machine systemd[1]: Starting Rebuild Journal Catalog...
container-test-run-iets-prefetch-e2e> machine # [1759330.198310] machine systemd[1]: Starting Record System Boot/Shutdown in UTMP...
container-test-run-iets-prefetch-e2e> machine # [1759330.209278] machine systemd[1]: Finished Record System Boot/Shutdown in UTMP.
container-test-run-iets-prefetch-e2e> machine # [1759330.218291] machine systemd[1]: Finished Rebuild Journal Catalog.
container-test-run-iets-prefetch-e2e> machine # [1759330.219853] machine systemd[1]: Starting Update is Completed...
container-test-run-iets-prefetch-e2e> machine # [1759330.231876] machine systemd[1]: Finished Update is Completed.
container-test-run-iets-prefetch-e2e> machine # [1759330.232051] machine systemd[1]: Reached target System Initialization.
container-test-run-iets-prefetch-e2e> machine # [1759330.232129] machine systemd[1]: Discard unused filesystem blocks once a week skipped, unmet condition check ConditionVirtualization=!container
container-test-run-iets-prefetch-e2e> machine # [1759330.232165] machine systemd[1]: Started Daily Cleanup of Temporary Directories.
container-test-run-iets-prefetch-e2e> machine # [1759330.232185] machine systemd[1]: Reached target Timer Units.
container-test-run-iets-prefetch-e2e> machine # [1759330.232298] machine systemd[1]: Listening on D-Bus System Message Bus Socket.
container-test-run-iets-prefetch-e2e> machine # [1759330.232384] machine systemd[1]: Listening on Virtual Machine and Container Registration Service Socket.
container-test-run-iets-prefetch-e2e> machine # [1759330.232403] machine systemd[1]: Reached target Socket Units.
container-test-run-iets-prefetch-e2e> machine # [1759330.232434] machine systemd[1]: Reached target Basic System.
container-test-run-iets-prefetch-e2e> machine # [1759330.235128] machine systemd[1]: Starting Import lastlog data into lastlog2 database...
container-test-run-iets-prefetch-e2e> machine # [1759330.237588] machine systemd[1]: Starting Name Service Cache Daemon (nsncd)...
container-test-run-iets-prefetch-e2e> machine # [1759330.239833] machine systemd[1]: Starting resolvconf update...
container-test-run-iets-prefetch-e2e> machine # [1759330.279161] machine systemd[1]: etc-machine\x2did.mount: Deactivated successfully.
container-test-run-iets-prefetch-e2e> machine # [1759330.280282] machine systemd[1]: Finished Save Transient machine-id to Disk.
container-test-run-iets-prefetch-e2e> machine # [1759330.280431] machine systemd[1]: Finished Import lastlog data into lastlog2 database.
container-test-run-iets-prefetch-e2e> machine # [1759330.320845] machine systemd[1]: nscd.service: Deactivated successfully.
container-test-run-iets-prefetch-e2e> machine # [1759330.321027] machine systemd[1]: Stopped Name Service Cache Daemon (nsncd).
container-test-run-iets-prefetch-e2e> machine # [1759330.322814] machine systemd[1]: Starting Name Service Cache Daemon (nsncd)...
container-test-run-iets-prefetch-e2e> machine # [1759330.328631] machine resolvconf-start[235]: setfacl: /run/resolvconf: Operation not supported
container-test-run-iets-prefetch-e2e> machine # [1759330.330111] machine systemd[1]: resolvconf.service: Main process exited, code=exited, status=1/FAILURE
container-test-run-iets-prefetch-e2e> machine # [1759330.330179] machine systemd[1]: resolvconf.service: Failed with result 'exit-code'.
container-test-run-iets-prefetch-e2e> machine # [1759330.344208] machine systemd[1]: Failed to start resolvconf update.
container-test-run-iets-prefetch-e2e> machine # [1759330.344423] machine systemd[1]: Reached target Preparation for Network.
container-test-run-iets-prefetch-e2e> machine # [1759330.345281] machine systemd[1]: Starting Address configuration of eth1...
container-test-run-iets-prefetch-e2e> machine # [1759330.346150] machine systemd[1]: Starting Extra networking commands....