I0728 12:23:17.386204 1 serving.go:348] Generated self-signed cert in-memory I0728 12:23:17.809524 1 server.go:154] "Starting Kubernetes Scheduler" version="v1.28.13" I0728 12:23:17.809554 1 server.go:156] "Golang settings" GOGC="" GOMAXPROCS="" GOTRACEBACK="" I0728 12:23:17.814715 1 requestheader_controller.go:169] Starting RequestHeaderAuthRequestController I0728 12:23:17.814758 1 shared_informer.go:311] Waiting for caches to sync for RequestHeaderAuthRequestController I0728 12:23:17.814784 1 configmap_cafile_content.go:202] "Starting controller" name="client-ca::kube-system::extension-apiserver-authentication::client-ca-file" I0728 12:23:17.814859 1 shared_informer.go:311] Waiting for caches to sync for client-ca::kube-system::extension-apiserver-authentication::client-ca-file I0728 12:23:17.814852 1 configmap_cafile_content.go:202] "Starting controller" name="client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file" I0728 12:23:17.814889 1 tlsconfig.go:240] "Starting DynamicServingCertificateController" I0728 12:23:17.814909 1 shared_informer.go:311] Waiting for caches to sync for client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file I0728 12:23:17.814870 1 secure_serving.go:213] Serving securely on [::]:10259 I0728 12:23:17.915100 1 shared_informer.go:318] Caches are synced for client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file I0728 12:23:17.915105 1 shared_informer.go:318] Caches are synced for client-ca::kube-system::extension-apiserver-authentication::client-ca-file I0728 12:23:17.915117 1 shared_informer.go:318] Caches are synced for RequestHeaderAuthRequestController I0728 12:23:17.915544 1 leaderelection.go:250] attempting to acquire leader lease kube-system/kube-scheduler... I0728 12:23:17.942576 1 leaderelection.go:260] successfully acquired lease kube-system/kube-scheduler E0728 12:44:41.887639 1 leaderelection.go:332] error retrieving resource lock kube-system/kube-scheduler: Get "https://199.204.45.138:6443/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-scheduler?timeout=5s": net/http: request canceled (Client.Timeout exceeded while awaiting headers) E0728 12:44:46.887255 1 leaderelection.go:369] Failed to update lock: Put "https://199.204.45.138:6443/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-scheduler?timeout=5s": context deadline exceeded I0728 12:44:46.887340 1 leaderelection.go:285] failed to renew lease kube-system/kube-scheduler: timed out waiting for the condition E0728 12:44:49.029819 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 E0728 12:44:49.029885 1 server.go:242] "Leaderelection lost"