I0507 03:10:38.309783 1 serving.go:348] Generated self-signed cert in-memory I0507 03:10:38.806386 1 server.go:154] "Starting Kubernetes Scheduler" version="v1.28.13" I0507 03:10:38.806429 1 server.go:156] "Golang settings" GOGC="" GOMAXPROCS="" GOTRACEBACK="" I0507 03:10:38.815352 1 secure_serving.go:213] Serving securely on [::]:10259 I0507 03:10:38.816252 1 requestheader_controller.go:169] Starting RequestHeaderAuthRequestController I0507 03:10:38.816281 1 shared_informer.go:311] Waiting for caches to sync for RequestHeaderAuthRequestController I0507 03:10:38.816468 1 tlsconfig.go:240] "Starting DynamicServingCertificateController" I0507 03:10:38.816685 1 configmap_cafile_content.go:202] "Starting controller" name="client-ca::kube-system::extension-apiserver-authentication::client-ca-file" I0507 03:10:38.816714 1 shared_informer.go:311] Waiting for caches to sync for client-ca::kube-system::extension-apiserver-authentication::client-ca-file I0507 03:10:38.816733 1 configmap_cafile_content.go:202] "Starting controller" name="client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file" I0507 03:10:38.816841 1 shared_informer.go:311] Waiting for caches to sync for client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file I0507 03:10:38.915901 1 leaderelection.go:250] attempting to acquire leader lease kube-system/kube-scheduler... I0507 03:10:38.916900 1 shared_informer.go:318] Caches are synced for client-ca::kube-system::extension-apiserver-authentication::client-ca-file I0507 03:10:38.917071 1 shared_informer.go:318] Caches are synced for RequestHeaderAuthRequestController I0507 03:10:38.917090 1 shared_informer.go:318] Caches are synced for client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file I0507 03:10:39.487383 1 leaderelection.go:260] successfully acquired lease kube-system/kube-scheduler E0507 03:10:51.622708 1 leaderelection.go:332] error retrieving resource lock kube-system/kube-scheduler: the server was unable to return a response in the time allotted, but may still be processing the request (get leases.coordination.k8s.io kube-scheduler) E0507 03:10:56.622735 1 leaderelection.go:332] error retrieving resource lock kube-system/kube-scheduler: Get "https://199.204.45.242:6443/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-scheduler?timeout=5s": context deadline exceeded I0507 03:10:56.622803 1 leaderelection.go:285] failed to renew lease kube-system/kube-scheduler: timed out waiting for the condition E0507 03:11:01.623524 1 leaderelection.go:308] Failed to release lock: Put "https://199.204.45.242:6443/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-scheduler?timeout=5s": net/http: request canceled (Client.Timeout exceeded while awaiting headers) E0507 03:11:01.623586 1 server.go:242] "Leaderelection lost"