kubectl version
Client Version: version.Info{Major:“1”, Minor:“18”, GitVersion:“v1.18.10+3.el8”, GitCommit:“e276f9329308bbb35a9f81bcfb945d49907d23c1”, GitTreeState:“clean”, BuildDate:“2021-01-14T23:31:55Z”, GoVersion:“go1.14.12”, Compiler:“gc”, Platform:“linux/amd64”}
Server Version: version.Info{Major:“1”, Minor:“18”, GitVersion:“v1.18.10+2.el8”, GitCommit:“829f162e7aeba291f1ecaffb509f387d81f58273”, GitTreeState:“clean”, BuildDate:“2020-10-30T20:29:26Z”, GoVersion:“go1.13.15”, Compiler:“gc”, Platform:“linux/amd64”}

2021-03-22T11:20:19.080965835+08:00 level=error ts=2021-03-22T03:20:19.080Z caller=notifier.go:527 component=notifier alertmanager=http://10.244.3.4:9093/api/v1/alerts count=1 msg=“Error sending alert” err="Post \“http://10.244.3.4:9093/api/v1/alerts\”: dial tcp 10.244.3.4:9093: connect: no route to host"
data: {}
error: “Post http://prometheus-operated.kubesphere-monitoring-system.svc:9090/api/v1/query: dial tcp 10.244.1.7:9090: connect: no route to host”
metric_name: “apiserver_request_latencies”