docker-compose logs中存在大量Warning,咨询原因

seafile-pro-mysql | 2022-05-31  4:45:59 5898 [Warning] Aborted connection 5898 to db: 'seafile_db' user: 'seafile' host: '172.21.0.5' (Got an error reading communication packets)
seafile-pro-mysql | 2022-05-31  4:47:19 5900 [Warning] Aborted connection 5900 to db: 'seafile_db' user: 'seafile' host: '172.21.0.5' (Got an error reading communication packets)
seafile-pro-mysql | 2022-05-31  4:52:21 5911 [Warning] Aborted connection 5911 to db: 'seafile_db' user: 'seafile' host: '172.21.0.5' (Got an error reading communication packets)
seafile-pro-mysql | 2022-05-31  4:55:59 5919 [Warning] Aborted connection 5919 to db: 'seafile_db' user: 'seafile' host: '172.21.0.5' (Got an error reading communication packets)
seafile-pro-mysql | 2022-05-31  4:57:23 5921 [Warning] Aborted connection 5921 to db: 'seafile_db' user: 'seafile' host: '172.21.0.5' (Got an error reading communication packets)
seafile-pro-mysql | 2022-05-31  5:02:25 5932 [Warning] Aborted connection 5932 to db: 'seafile_db' user: 'seafile' host: '172.21.0.5' (Got an error reading communication packets)
seafile-pro-mysql | 2022-05-31  5:05:59 5940 [Warning] Aborted connection 5940 to db: 'seafile_db' user: 'seafile' host: '172.21.0.5' (Got an error reading communication packets)
seafile-pro-mysql | 2022-05-31  5:07:27 5946 [Warning] Aborted connection 5946 to db: 'seafile_db' user: 'seafile' host: '172.21.0.5' (Got an error reading communication packets)
seafile-pro-mysql | 2022-05-31  5:12:29 5955 [Warning] Aborted connection 5955 to db: 'seafile_db' user: 'seafile' host: '172.21.0.5' (Got an error reading communication packets)
seafile-pro-mysql | 2022-05-31  5:15:57 5969 [Warning] Aborted connection 5969 to db: 'seafile_db' user: 'seafile' host: '172.21.0.5' (Got an error reading communication packets)
seafile-pro-mysql | 2022-05-31  5:15:59 5971 [Warning] Aborted connection 5971 to db: 'seafile_db' user: 'seafile' host: '172.21.0.5' (Got an error reading communication packets)

一天能有几千条 Warning,为什么用户 seafile 总是访问数据库失败?我没能找到原因,寻求大佬们帮助。