I0428 07:24:11.497382 1 serving.go:348] Generated self-signed cert in-memory I0428 07:24:12.001685 1 server.go:154] "Starting Kubernetes Scheduler" version="v1.28.13" I0428 07:24:12.001739 1 server.go:156] "Golang settings" GOGC="" GOMAXPROCS="" GOTRACEBACK="" I0428 07:24:12.011168 1 requestheader_controller.go:169] Starting RequestHeaderAuthRequestController I0428 07:24:12.011239 1 configmap_cafile_content.go:202] "Starting controller" name="client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file" I0428 07:24:12.011271 1 shared_informer.go:311] Waiting for caches to sync for client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file I0428 07:24:12.011284 1 shared_informer.go:311] Waiting for caches to sync for RequestHeaderAuthRequestController I0428 07:24:12.011319 1 tlsconfig.go:240] "Starting DynamicServingCertificateController" I0428 07:24:12.011207 1 configmap_cafile_content.go:202] "Starting controller" name="client-ca::kube-system::extension-apiserver-authentication::client-ca-file" I0428 07:24:12.011471 1 shared_informer.go:311] Waiting for caches to sync for client-ca::kube-system::extension-apiserver-authentication::client-ca-file I0428 07:24:12.011286 1 secure_serving.go:213] Serving securely on [::]:10259 I0428 07:24:12.111852 1 shared_informer.go:318] Caches are synced for client-ca::kube-system::extension-apiserver-authentication::client-ca-file I0428 07:24:12.112461 1 shared_informer.go:318] Caches are synced for client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file I0428 07:24:12.112506 1 shared_informer.go:318] Caches are synced for RequestHeaderAuthRequestController I0428 07:24:12.112916 1 leaderelection.go:250] attempting to acquire leader lease kube-system/kube-scheduler... I0428 07:24:12.120972 1 leaderelection.go:260] successfully acquired lease kube-system/kube-scheduler E0428 07:25:17.098760 1 leaderelection.go:369] Failed to update lock: Put "https://199.19.213.75:6443/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-scheduler?timeout=5s": net/http: request canceled (Client.Timeout exceeded while awaiting headers) E0428 07:50:59.623982 1 leaderelection.go:332] error retrieving resource lock kube-system/kube-scheduler: Get "https://199.19.213.75:6443/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-scheduler?timeout=5s": net/http: request canceled (Client.Timeout exceeded while awaiting headers) E0428 07:51:14.947543 1 leaderelection.go:332] error retrieving resource lock kube-system/kube-scheduler: Get "https://199.19.213.75:6443/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-scheduler?timeout=5s": context deadline exceeded E0428 07:51:19.946681 1 leaderelection.go:332] error retrieving resource lock kube-system/kube-scheduler: Get "https://199.19.213.75:6443/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-scheduler?timeout=5s": context deadline exceeded I0428 07:51:19.946755 1 leaderelection.go:285] failed to renew lease kube-system/kube-scheduler: timed out waiting for the condition E0428 07:51:24.948102 1 leaderelection.go:308] Failed to release lock: Put "https://199.19.213.75:6443/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-scheduler?timeout=5s": net/http: request canceled (Client.Timeout exceeded while awaiting headers) E0428 07:51:24.948184 1 server.go:242] "Leaderelection lost"