创建部署问题时，请参考下面模板，你提供的信息越多，越容易及时获得解答。如果未按模板创建问题，管理员有权关闭问题。
确保帖子格式清晰易读，用 markdown code block 语法格式化代码块。
你只花一分钟创建的问题，不能指望别人花上半个小时给你解答。
操作系统信息
例如：虚拟机/物理机，Centos7.5/Ubuntu18.04，4C/8G
Kubernetes版本信息
将 kubectl version 命令执行结果贴在下方
容器运行时
将 docker version / crictl version / nerdctl version 结果贴在下方
KubeSphere版本信息
例如：v2.1.1/v3.0.0。离线安装还是在线安装。在已有K8s上安装还是使用kk安装。
问题是什么
failed scraping envoy metrics: error scraping http://localhost:15090/stats/prometheus: Get “http://localhost:15090/stats/prometheus”: dial tcp [::1]:15090: connect: connection refused 2025-09-06T15:02:12.383955214+08:00 2025-09-06T07:02:12.383745Z warn ca ca request failed, starting attempt 1 in 99.702389ms 2025-09-06T15:02:12.483979302+08:00 2025-09-06T07:02:12.483745Z warn ca ca request failed, starting attempt 2 in 189.536076ms 2025-09-06T15:02:12.674520382+08:00 2025-09-06T07:02:12.674282Z warn ca ca request failed, starting attempt 3 in 386.535681ms 2025-09-06T15:02:13.061573431+08:00 2025-09-06T07:02:13.061215Z warn ca ca request failed, starting attempt 4 in 753.987098ms 2025-09-06T15:02:16.684824190+08:00 2025-09-06T07:02:16.684627Z warn sds failed to warm certificate: failed to generate workload certificate: create certificate: rpc error: code = Unavailable desc = connection error: desc = “transport: Error while dialing dial tcp: lookup istiod.istio-system.svc on 169.254.25.10:53: server misbehaving”
