I0510 04:56:08.562237 1 serving.go:348] Generated self-signed cert in-memory I0510 04:56:09.103537 1 server.go:154] "Starting Kubernetes Scheduler" version="v1.28.13" I0510 04:56:09.103562 1 server.go:156] "Golang settings" GOGC="" GOMAXPROCS="" GOTRACEBACK="" I0510 04:56:09.128995 1 secure_serving.go:213] Serving securely on [::]:10259 I0510 04:56:09.129356 1 requestheader_controller.go:169] Starting RequestHeaderAuthRequestController I0510 04:56:09.129382 1 shared_informer.go:311] Waiting for caches to sync for RequestHeaderAuthRequestController I0510 04:56:09.129427 1 configmap_cafile_content.go:202] "Starting controller" name="client-ca::kube-system::extension-apiserver-authentication::client-ca-file" I0510 04:56:09.129443 1 shared_informer.go:311] Waiting for caches to sync for client-ca::kube-system::extension-apiserver-authentication::client-ca-file I0510 04:56:09.129460 1 configmap_cafile_content.go:202] "Starting controller" name="client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file" I0510 04:56:09.129471 1 shared_informer.go:311] Waiting for caches to sync for client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file I0510 04:56:09.130458 1 tlsconfig.go:240] "Starting DynamicServingCertificateController" I0510 04:56:09.230088 1 shared_informer.go:318] Caches are synced for client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file I0510 04:56:09.230136 1 shared_informer.go:318] Caches are synced for client-ca::kube-system::extension-apiserver-authentication::client-ca-file I0510 04:56:09.230133 1 shared_informer.go:318] Caches are synced for RequestHeaderAuthRequestController I0510 04:56:09.230540 1 leaderelection.go:250] attempting to acquire leader lease kube-system/kube-scheduler... I0510 04:56:09.309081 1 leaderelection.go:260] successfully acquired lease kube-system/kube-scheduler E0510 04:56:21.115275 1 leaderelection.go:369] Failed to update lock: Put "https://199.204.45.77:6443/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-scheduler?timeout=5s": net/http: request canceled (Client.Timeout exceeded while awaiting headers) E0510 04:56:24.337656 1 leaderelection.go:332] error retrieving resource lock kube-system/kube-scheduler: Get "https://199.204.45.77:6443/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-scheduler?timeout=5s": context deadline exceeded I0510 04:56:24.337710 1 leaderelection.go:285] failed to renew lease kube-system/kube-scheduler: timed out waiting for the condition E0510 04:56:27.021204 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 E0510 04:56:27.021251 1 server.go:242] "Leaderelection lost"