I0331 05:53:14.933428 1 serving.go:348] Generated self-signed cert in-memory I0331 05:53:15.196012 1 server.go:154] "Starting Kubernetes Scheduler" version="v1.28.13" I0331 05:53:15.196052 1 server.go:156] "Golang settings" GOGC="" GOMAXPROCS="" GOTRACEBACK="" I0331 05:53:15.203320 1 requestheader_controller.go:169] Starting RequestHeaderAuthRequestController I0331 05:53:15.203366 1 configmap_cafile_content.go:202] "Starting controller" name="client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file" I0331 05:53:15.203390 1 shared_informer.go:311] Waiting for caches to sync for RequestHeaderAuthRequestController I0331 05:53:15.203412 1 shared_informer.go:311] Waiting for caches to sync for client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file I0331 05:53:15.203462 1 secure_serving.go:213] Serving securely on [::]:10259 I0331 05:53:15.203564 1 tlsconfig.go:240] "Starting DynamicServingCertificateController" I0331 05:53:15.203326 1 configmap_cafile_content.go:202] "Starting controller" name="client-ca::kube-system::extension-apiserver-authentication::client-ca-file" I0331 05:53:15.203733 1 shared_informer.go:311] Waiting for caches to sync for client-ca::kube-system::extension-apiserver-authentication::client-ca-file I0331 05:53:15.304685 1 shared_informer.go:318] Caches are synced for client-ca::kube-system::extension-apiserver-authentication::client-ca-file I0331 05:53:15.306104 1 shared_informer.go:318] Caches are synced for RequestHeaderAuthRequestController I0331 05:53:15.306177 1 leaderelection.go:250] attempting to acquire leader lease kube-system/kube-scheduler... I0331 05:53:15.306380 1 shared_informer.go:318] Caches are synced for client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file I0331 05:53:31.943687 1 leaderelection.go:260] successfully acquired lease kube-system/kube-scheduler E0331 05:53:39.699272 1 leaderelection.go:332] error retrieving resource lock kube-system/kube-scheduler: Get "https://162.253.55.221:6443/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-scheduler?timeout=5s": net/http: request canceled (Client.Timeout exceeded while awaiting headers) E0331 05:53:44.699289 1 leaderelection.go:369] Failed to update lock: Put "https://162.253.55.221:6443/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-scheduler?timeout=5s": context deadline exceeded I0331 05:53:44.699357 1 leaderelection.go:285] failed to renew lease kube-system/kube-scheduler: timed out waiting for the condition E0331 05:53:45.740943 1 leaderelection.go:308] Failed to release lock: Operation cannot be fulfilled on leases.coordination.k8s.io "kube-scheduler": the object has been modified; please apply your changes to the latest version and try again E0331 05:53:45.741030 1 server.go:242] "Leaderelection lost"