Why ares these counted as errors?

[2025-07-13 18:19:12 +0000] [1] [INFO] Starting gunicorn 22.0.0

[2025-07-13 18:19:12 +0000] [1] [INFO] Listening at: http://0.0.0.0:8080 (1)

[2025-07-13 18:19:12 +0000] [1] [INFO] Using worker: gevent

[2025-07-13 18:19:12 +0000] [4] [INFO] Booting worker with pid: 4

Stopping Container

[2025-07-13 18:19:15 +0000] [1] [INFO] Shutting down: Master

[2025-07-13 18:19:13 +0000] [1] [INFO] Handling signal: term

[2025-07-13 18:19:13 +0000] [4] [INFO] Worker exiting (pid: 4)