I0511 06:27:18.506607 1 serving.go:348] Generated self-signed cert in-memory I0511 06:27:18.836462 1 server.go:154] "Starting Kubernetes Scheduler" version="v1.28.13" I0511 06:27:18.836504 1 server.go:156] "Golang settings" GOGC="" GOMAXPROCS="" GOTRACEBACK="" I0511 06:27:18.842941 1 requestheader_controller.go:169] Starting RequestHeaderAuthRequestController I0511 06:27:18.842956 1 configmap_cafile_content.go:202] "Starting controller" name="client-ca::kube-system::extension-apiserver-authentication::client-ca-file" I0511 06:27:18.842973 1 shared_informer.go:311] Waiting for caches to sync for RequestHeaderAuthRequestController I0511 06:27:18.842983 1 shared_informer.go:311] Waiting for caches to sync for client-ca::kube-system::extension-apiserver-authentication::client-ca-file I0511 06:27:18.843023 1 configmap_cafile_content.go:202] "Starting controller" name="client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file" I0511 06:27:18.843066 1 shared_informer.go:311] Waiting for caches to sync for client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file I0511 06:27:18.843198 1 secure_serving.go:213] Serving securely on [::]:10259 I0511 06:27:18.843432 1 tlsconfig.go:240] "Starting DynamicServingCertificateController" I0511 06:27:18.943739 1 shared_informer.go:318] Caches are synced for client-ca::kube-system::extension-apiserver-authentication::client-ca-file I0511 06:27:18.943800 1 shared_informer.go:318] Caches are synced for RequestHeaderAuthRequestController I0511 06:27:18.943740 1 shared_informer.go:318] Caches are synced for client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file I0511 06:27:18.943811 1 leaderelection.go:250] attempting to acquire leader lease kube-system/kube-scheduler... I0511 06:27:18.953449 1 leaderelection.go:260] successfully acquired lease kube-system/kube-scheduler E0511 06:27:27.983740 1 leaderelection.go:369] Failed to update lock: the server was unable to return a response in the time allotted, but may still be processing the request (put leases.coordination.k8s.io kube-scheduler) E0511 06:27:32.978820 1 leaderelection.go:332] error retrieving resource lock kube-system/kube-scheduler: Get "https://199.204.45.144:6443/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-scheduler?timeout=5s": context deadline exceeded I0511 06:27:32.978988 1 leaderelection.go:285] failed to renew lease kube-system/kube-scheduler: timed out waiting for the condition E0511 06:27:37.979634 1 leaderelection.go:308] Failed to release lock: Put "https://199.204.45.144:6443/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-scheduler?timeout=5s": net/http: request canceled (Client.Timeout exceeded while awaiting headers) E0511 06:27:37.979724 1 server.go:242] "Leaderelection lost"