I0428 03:19:39.965003 1 serving.go:348] Generated self-signed cert in-memory I0428 03:19:40.701174 1 server.go:154] "Starting Kubernetes Scheduler" version="v1.28.13" I0428 03:19:40.701219 1 server.go:156] "Golang settings" GOGC="" GOMAXPROCS="" GOTRACEBACK="" I0428 03:19:40.707248 1 secure_serving.go:213] Serving securely on [::]:10259 I0428 03:19:40.707282 1 configmap_cafile_content.go:202] "Starting controller" name="client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file" I0428 03:19:40.707306 1 tlsconfig.go:240] "Starting DynamicServingCertificateController" I0428 03:19:40.707324 1 shared_informer.go:311] Waiting for caches to sync for client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file I0428 03:19:40.707950 1 requestheader_controller.go:169] Starting RequestHeaderAuthRequestController I0428 03:19:40.707999 1 shared_informer.go:311] Waiting for caches to sync for RequestHeaderAuthRequestController I0428 03:19:40.707234 1 configmap_cafile_content.go:202] "Starting controller" name="client-ca::kube-system::extension-apiserver-authentication::client-ca-file" I0428 03:19:40.708041 1 shared_informer.go:311] Waiting for caches to sync for client-ca::kube-system::extension-apiserver-authentication::client-ca-file I0428 03:19:40.808456 1 shared_informer.go:318] Caches are synced for client-ca::kube-system::extension-apiserver-authentication::client-ca-file I0428 03:19:40.808989 1 shared_informer.go:318] Caches are synced for RequestHeaderAuthRequestController I0428 03:19:40.808455 1 shared_informer.go:318] Caches are synced for client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file I0428 03:19:40.808465 1 leaderelection.go:250] attempting to acquire leader lease kube-system/kube-scheduler... I0428 03:20:00.855136 1 leaderelection.go:260] successfully acquired lease kube-system/kube-scheduler E0428 03:20:18.801846 1 leaderelection.go:369] Failed to update lock: Put "https://199.204.45.38:6443/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-scheduler?timeout=5s": net/http: request canceled (Client.Timeout exceeded while awaiting headers) E0428 03:20:23.241667 1 leaderelection.go:369] Failed to update lock: Put "https://199.204.45.38:6443/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-scheduler?timeout=5s": context deadline exceeded I0428 03:20:23.241709 1 leaderelection.go:285] failed to renew lease kube-system/kube-scheduler: timed out waiting for the condition E0428 03:20:27.483385 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 E0428 03:20:27.483432 1 server.go:242] "Leaderelection lost"