this derivation will be built:
  /nix/store/rld6lfh19c46xami77hgvy5ln32klrkg-container-test-ubuntu-24-04-auto-upgrade.drv
building '/nix/store/rld6lfh19c46xami77hgvy5ln32klrkg-container-test-ubuntu-24-04-auto-upgrade.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=22&system=aarch64-linux'
building '/nix/store/rld6lfh19c46xami77hgvy5ln32klrkg-container-test-ubuntu-24-04-auto-upgrade.drv' on farm.numtide.com:50051
container-test-ubuntu-24-04-auto-upgrade> elastic-arm-efff5407: building rld6lfh19c46xami77hgvy5ln32klrkg-container-test-ubuntu-24-04-auto-upgrade.drv
container-test-ubuntu-24-04-auto-upgrade> Running type check
container-test-ubuntu-24-04-auto-upgrade> Success: no issues found in 1 source file
container-test-ubuntu-24-04-auto-upgrade> Linting test script
container-test-ubuntu-24-04-auto-upgrade> Error: Unknown device type.
container-test-ubuntu-24-04-auto-upgrade> Traceback (most recent call last):
container-test-ubuntu-24-04-auto-upgrade>   File "/nix/store/lhq8ch7f5hdjf6z4g0mamr3sz05q823a-container-test-driver-0.0.1/bin/.container-test-driver-wrapped", line 9, in <module>
container-test-ubuntu-24-04-auto-upgrade>     sys.exit(main())
container-test-ubuntu-24-04-auto-upgrade>              ~~~~^^
container-test-ubuntu-24-04-auto-upgrade>   File "/nix/store/lhq8ch7f5hdjf6z4g0mamr3sz05q823a-container-test-driver-0.0.1/lib/python3.14/site-packages/test_driver/__init__.py", line 110, in main
container-test-ubuntu-24-04-auto-upgrade>     with Driver(
container-test-ubuntu-24-04-auto-upgrade>          ~~~~~~^
container-test-ubuntu-24-04-auto-upgrade>         containers=[container],
container-test-ubuntu-24-04-auto-upgrade>         ^^^^^^^^^^^^^^^^^^^^^^^
container-test-ubuntu-24-04-auto-upgrade>     ...<3 lines>...
container-test-ubuntu-24-04-auto-upgrade>         interactive=args.interactive,
container-test-ubuntu-24-04-auto-upgrade>         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
container-test-ubuntu-24-04-auto-upgrade>     ) as driver:
container-test-ubuntu-24-04-auto-upgrade>     ^
container-test-ubuntu-24-04-auto-upgrade>   File "/nix/store/lhq8ch7f5hdjf6z4g0mamr3sz05q823a-container-test-driver-0.0.1/lib/python3.14/site-packages/test_driver/driver.py", line 63, in __init__
container-test-ubuntu-24-04-auto-upgrade>     self._create_bridge()
container-test-ubuntu-24-04-auto-upgrade>     ~~~~~~~~~~~~~~~~~~~^^
container-test-ubuntu-24-04-auto-upgrade>   File "/nix/store/lhq8ch7f5hdjf6z4g0mamr3sz05q823a-container-test-driver-0.0.1/lib/python3.14/site-packages/test_driver/driver.py", line 103, in _create_bridge
container-test-ubuntu-24-04-auto-upgrade>     subprocess.run(
container-test-ubuntu-24-04-auto-upgrade>     ~~~~~~~~~~~~~~^
container-test-ubuntu-24-04-auto-upgrade>         ["ip", "link", "add", self.bridge_name, "type", "bridge"],
container-test-ubuntu-24-04-auto-upgrade>         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
container-test-ubuntu-24-04-auto-upgrade>         check=True,
container-test-ubuntu-24-04-auto-upgrade>         ^^^^^^^^^^^
container-test-ubuntu-24-04-auto-upgrade>         text=True,
container-test-ubuntu-24-04-auto-upgrade>         ^^^^^^^^^^
container-test-ubuntu-24-04-auto-upgrade>     )
container-test-ubuntu-24-04-auto-upgrade>     ^
container-test-ubuntu-24-04-auto-upgrade>   File "/nix/store/3fl7bdkdxk2k4nssy1d1161isbzn6bsr-python3-3.14.7/lib/python3.14/subprocess.py", line 578, in run
container-test-ubuntu-24-04-auto-upgrade>     raise CalledProcessError(retcode, process.args,
container-test-ubuntu-24-04-auto-upgrade>                              output=stdout, stderr=stderr)
container-test-ubuntu-24-04-auto-upgrade> subprocess.CalledProcessError: Command '['ip', 'link', 'add', 'ctd-9299a9ad', 'type', 'bridge']' returned non-zero exit status 2.
error: build of '/nix/store/rld6lfh19c46xami77hgvy5ln32klrkg-container-test-ubuntu-24-04-auto-upgrade.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=22&system=aarch64-linux' failed: Cannot build '/nix/store/rld6lfh19c46xami77hgvy5ln32klrkg-container-test-ubuntu-24-04-auto-upgrade.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/7q2vpgd01ip0x7f09j286sz9grsbidcg-container-test-ubuntu-24-04-auto-upgrade
       Last 25 log lines:
       >         containers=[container],
       >         ^^^^^^^^^^^^^^^^^^^^^^^
       >     ...<3 lines>...
       >         interactive=args.interactive,
       >         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
       >     ) as driver:
       >     ^
       >   File "/nix/store/lhq8ch7f5hdjf6z4g0mamr3sz05q823a-container-test-driver-0.0.1/lib/python3.14/site-packages/test_driver/driver.py", line 63, in __init__
       >     self._create_bridge()
       >     ~~~~~~~~~~~~~~~~~~~^^
       >   File "/nix/store/lhq8ch7f5hdjf6z4g0mamr3sz05q823a-container-test-driver-0.0.1/lib/python3.14/site-packages/test_driver/driver.py", line 103, in _create_bridge
       >     subprocess.run(
       >     ~~~~~~~~~~~~~~^
       >         ["ip", "link", "add", self.bridge_name, "type", "bridge"],
       >         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
       >         check=True,
       >         ^^^^^^^^^^^
       >         text=True,
       >         ^^^^^^^^^^
       >     )
       >     ^
       >   File "/nix/store/3fl7bdkdxk2k4nssy1d1161isbzn6bsr-python3-3.14.7/lib/python3.14/subprocess.py", line 578, in run
       >     raise CalledProcessError(retcode, process.args,
       >                              output=stdout, stderr=stderr)
       > subprocess.CalledProcessError: Command '['ip', 'link', 'add', 'ctd-9299a9ad', 'type', 'bridge']' returned non-zero exit status 2.
       For full logs, run:
         nix log /nix/store/rld6lfh19c46xami77hgvy5ln32klrkg-container-test-ubuntu-24-04-auto-upgrade.drv
error: Cannot build '/nix/store/rld6lfh19c46xami77hgvy5ln32klrkg-container-test-ubuntu-24-04-auto-upgrade.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/7q2vpgd01ip0x7f09j286sz9grsbidcg-container-test-ubuntu-24-04-auto-upgrade