ks-apiserver 异常日志求解

Host集群ks-apiserver容器一直在刷一些日志，不太明白这个会有什么影响，是什么原因造成的？
日志如下：
2021/10/21 15:59:25 http: proxy error: context canceled
2021/10/21 15:59:56 http: proxy error: context canceled
2021/10/21 16:00:06 http: proxy error: context canceled
2021/10/21 16:01:40 http: proxy error: context canceled
2021/10/21 16:01:57 http: proxy error: context canceled
2021/10/21 16:03:27 http: proxy error: context canceled
2021/10/21 16:04:19 http: proxy error: context canceled
2021/10/21 16:04:28 http: proxy error: context canceled
2021/10/21 16:04:36 http: proxy error: context canceled
2021/10/21 16:10:06 http: proxy error: context canceled
2021/10/21 16:10:55 http: proxy error: context canceled
2021/10/21 16:13:52 http: proxy error: context canceled
2021/10/21 16:15:51 http: proxy error: context canceled
2021/10/21 16:15:54 http: proxy error: context canceled
2021/10/21 16:16:11 http: proxy error: context canceled
2021/10/21 16:16:12 http: proxy error: context canceled
2021/10/21 16:16:22 http: proxy error: context canceled
2021/10/21 16:16:35 http: proxy error: context canceled
2021/10/21 16:16:44 http: proxy error: context canceled
2021/10/21 16:17:07 http: proxy error: context canceled
2021/10/21 16:17:22 http: proxy error: context canceled
2021/10/21 16:17:26 http: proxy error: context canceled
2021/10/21 16:17:42 http: proxy error: context canceled
2021/10/21 16:17:56 http: proxy error: context canceled
W1021 16:30:00.129396 6 jwt_token.go:52] token is expired by 10s
2021/10/21 16:33:53 http: proxy error: context canceled
W1021 16:40:00.403852 6 jwt_token.go:52] token is expired by 1h20m10s
2021/10/21 16:47:47 http: proxy error: context canceled
2021/10/21 16:47:49 http: proxy error: context canceled
2021/10/21 16:48:01 http: proxy error: context canceled