Jun 09 22:31:50 hw2 systemd[1]: Starting nipa-hw-worker.service - NIPA HW worker (one-shot test runner)...
Jun 09 22:31:50 hw2 python3[1173]: /srv/hw-worker/tests/2001 Starting tests
Jun 09 22:31:51 hw2 python3[1173]: detected unhandled Python exception in '/opt/nipa/contest/hw/hw_worker.py'
Jun 09 22:31:51 hw2 python3[1173]: Traceback (most recent call last):
Jun 09 22:31:51 hw2 python3[1173]:   File "/opt/nipa/contest/hw/hw_worker.py", line 318, in <module>
Jun 09 22:31:51 hw2 python3[1173]:     main()
Jun 09 22:31:51 hw2 python3[1173]:     ~~~~^^
Jun 09 22:31:51 hw2 python3[1173]:   File "/opt/nipa/contest/hw/hw_worker.py", line 291, in main
Jun 09 22:31:51 hw2 python3[1173]:     setup_test_interfaces(test_dir)
Jun 09 22:31:51 hw2 python3[1173]:     ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^
Jun 09 22:31:51 hw2 python3[1173]:   File "/opt/nipa/contest/hw/hw_worker.py", line 219, in setup_test_interfaces
Jun 09 22:31:51 hw2 python3[1173]:     _install_prefix_route(remote_ifname, env['LOCAL_PREFIX_V6'],
Jun 09 22:31:51 hw2 python3[1173]:     ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jun 09 22:31:51 hw2 python3[1173]:                           env['LOCAL_V6'], **peer_kwargs)
Jun 09 22:31:51 hw2 python3[1173]:                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jun 09 22:31:51 hw2 python3[1173]:   File "/opt/nipa/contest/hw/hw_worker.py", line 135, in _install_prefix_route
Jun 09 22:31:51 hw2 python3[1173]:     _ip(f'-6 route add {prefix} via {local_v6} dev {ifname}', **kwargs)
Jun 09 22:31:51 hw2 python3[1173]:     ~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jun 09 22:31:51 hw2 python3[1173]:   File "/opt/nipa/contest/hw/hw_worker.py", line 98, in _ip
Jun 09 22:31:51 hw2 python3[1173]:     raise RuntimeError(f"ip {args} failed on {where}: {stderr}")
Jun 09 22:31:51 hw2 python3[1173]: RuntimeError: ip -6 route add fd00:2::2:0:0/96 via fd00:2::2 dev ens9np0 failed on root@10.99.1.41: RTNETLINK answers: File exists
Jun 09 22:31:51 hw2 systemd[1]: nipa-hw-worker.service: Main process exited, code=exited, status=1/FAILURE
Jun 09 22:31:51 hw2 systemd[1]: nipa-hw-worker.service: Failed with result 'exit-code'.
Jun 09 22:31:51 hw2 systemd[1]: Failed to start nipa-hw-worker.service - NIPA HW worker (one-shot test runner).