I0424 03:55:28.337867 1 serving.go:348] Generated self-signed cert in-memory I0424 03:55:28.958710 1 server.go:154] "Starting Kubernetes Scheduler" version="v1.28.13" I0424 03:55:28.958745 1 server.go:156] "Golang settings" GOGC="" GOMAXPROCS="" GOTRACEBACK="" I0424 03:55:28.964321 1 secure_serving.go:213] Serving securely on [::]:10259 I0424 03:55:28.964420 1 requestheader_controller.go:169] Starting RequestHeaderAuthRequestController I0424 03:55:28.964432 1 shared_informer.go:311] Waiting for caches to sync for RequestHeaderAuthRequestController I0424 03:55:28.964454 1 tlsconfig.go:240] "Starting DynamicServingCertificateController" I0424 03:55:28.965120 1 configmap_cafile_content.go:202] "Starting controller" name="client-ca::kube-system::extension-apiserver-authentication::client-ca-file" I0424 03:55:28.965138 1 shared_informer.go:311] Waiting for caches to sync for client-ca::kube-system::extension-apiserver-authentication::client-ca-file I0424 03:55:28.965168 1 configmap_cafile_content.go:202] "Starting controller" name="client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file" I0424 03:55:28.965174 1 shared_informer.go:311] Waiting for caches to sync for client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file I0424 03:55:29.065269 1 shared_informer.go:318] Caches are synced for RequestHeaderAuthRequestController I0424 03:55:29.065333 1 shared_informer.go:318] Caches are synced for client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file I0424 03:55:29.065421 1 shared_informer.go:318] Caches are synced for client-ca::kube-system::extension-apiserver-authentication::client-ca-file I0424 03:55:29.065470 1 leaderelection.go:250] attempting to acquire leader lease kube-system/kube-scheduler... I0424 03:55:45.074857 1 leaderelection.go:260] successfully acquired lease kube-system/kube-scheduler E0424 03:56:07.621487 1 leaderelection.go:332] error retrieving resource lock kube-system/kube-scheduler: Get "https://199.204.45.140:6443/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-scheduler?timeout=5s": net/http: request canceled (Client.Timeout exceeded while awaiting headers) E0424 03:56:12.622276 1 leaderelection.go:369] Failed to update lock: Put "https://199.204.45.140:6443/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-scheduler?timeout=5s": context deadline exceeded I0424 03:56:12.622335 1 leaderelection.go:285] failed to renew lease kube-system/kube-scheduler: timed out waiting for the condition E0424 03:56:14.898404 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 E0424 03:56:14.898466 1 server.go:242] "Leaderelection lost"