I0520 04:18:42.037243 1 serving.go:348] Generated self-signed cert in-memory I0520 04:18:42.392149 1 server.go:154] "Starting Kubernetes Scheduler" version="v1.28.13" I0520 04:18:42.392180 1 server.go:156] "Golang settings" GOGC="" GOMAXPROCS="" GOTRACEBACK="" I0520 04:18:42.397190 1 requestheader_controller.go:169] Starting RequestHeaderAuthRequestController I0520 04:18:42.397218 1 shared_informer.go:311] Waiting for caches to sync for RequestHeaderAuthRequestController I0520 04:18:42.397224 1 configmap_cafile_content.go:202] "Starting controller" name="client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file" I0520 04:18:42.397234 1 configmap_cafile_content.go:202] "Starting controller" name="client-ca::kube-system::extension-apiserver-authentication::client-ca-file" I0520 04:18:42.397279 1 shared_informer.go:311] Waiting for caches to sync for client-ca::kube-system::extension-apiserver-authentication::client-ca-file I0520 04:18:42.397251 1 shared_informer.go:311] Waiting for caches to sync for client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file I0520 04:18:42.397985 1 secure_serving.go:213] Serving securely on [::]:10259 I0520 04:18:42.398052 1 tlsconfig.go:240] "Starting DynamicServingCertificateController" I0520 04:18:42.497557 1 shared_informer.go:318] Caches are synced for RequestHeaderAuthRequestController I0520 04:18:42.497648 1 shared_informer.go:318] Caches are synced for client-ca::kube-system::extension-apiserver-authentication::client-ca-file I0520 04:18:42.497707 1 shared_informer.go:318] Caches are synced for client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file I0520 04:18:42.498439 1 leaderelection.go:250] attempting to acquire leader lease kube-system/kube-scheduler... I0520 04:18:42.506788 1 leaderelection.go:260] successfully acquired lease kube-system/kube-scheduler E0520 04:19:22.292750 1 leaderelection.go:332] error retrieving resource lock kube-system/kube-scheduler: Get "https://199.204.45.156:6443/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-scheduler?timeout=5s": net/http: request canceled (Client.Timeout exceeded while awaiting headers) E0520 04:19:27.293083 1 leaderelection.go:369] Failed to update lock: Put "https://199.204.45.156:6443/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-scheduler?timeout=5s": context deadline exceeded I0520 04:19:27.293144 1 leaderelection.go:285] failed to renew lease kube-system/kube-scheduler: timed out waiting for the condition E0520 04:19:28.313353 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 E0520 04:19:28.313407 1 server.go:242] "Leaderelection lost"