I0227 22:50:46.575876 1 serving.go:348] Generated self-signed cert in-memory I0227 22:50:46.933626 1 server.go:154] "Starting Kubernetes Scheduler" version="v1.28.13" I0227 22:50:46.933654 1 server.go:156] "Golang settings" GOGC="" GOMAXPROCS="" GOTRACEBACK="" I0227 22:50:46.943087 1 requestheader_controller.go:169] Starting RequestHeaderAuthRequestController I0227 22:50:46.943147 1 shared_informer.go:311] Waiting for caches to sync for RequestHeaderAuthRequestController I0227 22:50:46.943174 1 configmap_cafile_content.go:202] "Starting controller" name="client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file" I0227 22:50:46.943240 1 shared_informer.go:311] Waiting for caches to sync for client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file I0227 22:50:46.943609 1 secure_serving.go:213] Serving securely on [::]:10259 I0227 22:50:46.943676 1 tlsconfig.go:240] "Starting DynamicServingCertificateController" I0227 22:50:46.944441 1 configmap_cafile_content.go:202] "Starting controller" name="client-ca::kube-system::extension-apiserver-authentication::client-ca-file" I0227 22:50:46.944496 1 shared_informer.go:311] Waiting for caches to sync for client-ca::kube-system::extension-apiserver-authentication::client-ca-file I0227 22:50:47.043935 1 shared_informer.go:318] Caches are synced for client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file I0227 22:50:47.044004 1 shared_informer.go:318] Caches are synced for RequestHeaderAuthRequestController I0227 22:50:47.044230 1 leaderelection.go:250] attempting to acquire leader lease kube-system/kube-scheduler... I0227 22:50:47.044636 1 shared_informer.go:318] Caches are synced for client-ca::kube-system::extension-apiserver-authentication::client-ca-file I0227 22:50:47.059760 1 leaderelection.go:260] successfully acquired lease kube-system/kube-scheduler E0227 22:51:27.544156 1 leaderelection.go:332] error retrieving resource lock kube-system/kube-scheduler: Get "https://162.253.55.36:6443/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-scheduler?timeout=5s": net/http: request canceled (Client.Timeout exceeded while awaiting headers) E0227 22:51:32.543043 1 leaderelection.go:369] Failed to update lock: Put "https://162.253.55.36:6443/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-scheduler?timeout=5s": context deadline exceeded I0227 22:51:32.543173 1 leaderelection.go:285] failed to renew lease kube-system/kube-scheduler: timed out waiting for the condition E0227 22:51:33.372167 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 E0227 22:51:33.372213 1 server.go:242] "Leaderelection lost"