dashboard_agent.log on head worker which failed

2022-10-05 08:11:31,066	INFO runtime_env_agent.py:410 -- Runtime env already created successfully. Env: {"env_vars": {"OMP_NUM_THREADS": "4"}}, context: {"command_prefix": [], "env_vars": {"OMP_NUM_THREADS": "4"}, "py_executable": "/usr/bin/python3", "resources_dir": null, "container": {}, "java_jars": []}
2022-10-05 10:30:52,463	INFO runtime_env_agent.py:481 -- Got request from raylet to decrease reference for runtime env: {"env_vars": {"OMP_NUM_THREADS": "4"}}.
2022-10-05 10:30:52,535	INFO runtime_env_agent.py:481 -- Got request from raylet to decrease reference for runtime env: {"env_vars": {"OMP_NUM_THREADS": "4"}}.
2022-10-05 10:30:52,535	INFO runtime_env_agent.py:127 -- Unused runtime env {"env_vars": {"OMP_NUM_THREADS": "4"}}.
2022-10-05 10:30:52,535	INFO runtime_env_agent.py:233 -- Runtime env {"env_vars": {"OMP_NUM_THREADS": "4"}} deleted.