想请教一下日志中的报错是啥意思

[zwhy-cs]

2025-05-12T07:17:29.819615Z ERROR shadow_tls::util: io error Operation timed out (os error 110)
2025-05-12T07:25:39.636752Z ERROR shadow_tls::util: io error Connection reset by peer (os error 104)
2025-05-12T07:29:32.403938Z ERROR shadow_tls::util: io error Connection reset by peer (os error 104)
2025-05-12T07:31:35.643642Z ERROR shadow_tls::util: io error Operation timed out (os error 110)
我把RUST_LOG=error