root@db93:/home/tidb/dm/deploy/dm-worker-8262/log# tail dm-worker_stderr.log -n 20
[mysql] 2022/12/23 07:25:12 packets.go:123: closing bad idle connection: EOF
[mysql] 2022/12/23 07:35:12 packets.go:123: closing bad idle connection: EOF
[mysql] 2022/12/23 07:45:12 packets.go:123: closing bad idle connection: EOF
[mysql] 2022/12/23 07:55:12 packets.go:123: closing bad idle connection: EOF
[mysql] 2022/12/23 08:05:12 packets.go:123: closing bad idle connection: EOF
[mysql] 2022/12/23 08:15:12 packets.go:123: closing bad idle connection: EOF
[mysql] 2022/12/23 08:25:12 packets.go:123: closing bad idle connection: EOF
[mysql] 2022/12/23 08:35:12 packets.go:123: closing bad idle connection: EOF
[mysql] 2022/12/23 08:45:12 packets.go:123: closing bad idle connection: EOF
[mysql] 2022/12/23 08:55:12 packets.go:123: closing bad idle connection: EOF
[mysql] 2022/12/23 09:05:12 packets.go:123: closing bad idle connection: EOF
[mysql] 2022/12/23 09:15:12 packets.go:123: closing bad idle connection: EOF
[mysql] 2022/12/23 09:25:12 packets.go:123: closing bad idle connection: EOF
[mysql] 2022/12/23 09:37:18 packets.go:123: closing bad idle connection: EOF
[mysql] 2022/12/23 09:47:18 packets.go:123: closing bad idle connection: EOF
[mysql] 2022/12/23 09:57:18 packets.go:123: closing bad idle connection: EOF
[mysql] 2022/12/23 10:07:18 packets.go:123: closing bad idle connection: EOF
[mysql] 2022/12/23 10:17:18 packets.go:123: closing bad idle connection: EOF
[mysql] 2022/12/23 10:27:18 packets.go:123: closing bad idle connection: EOF
[mysql] 2022/12/23 10:37:18 packets.go:123: closing bad idle connection: EOF