I0512 06:56:25.153546 1 serving.go:348] Generated self-signed cert in-memory I0512 06:56:25.406039 1 server.go:154] "Starting Kubernetes Scheduler" version="v1.28.13" I0512 06:56:25.406070 1 server.go:156] "Golang settings" GOGC="" GOMAXPROCS="" GOTRACEBACK="" I0512 06:56:25.414751 1 secure_serving.go:213] Serving securely on [::]:10259 I0512 06:56:25.414868 1 requestheader_controller.go:169] Starting RequestHeaderAuthRequestController I0512 06:56:25.414897 1 shared_informer.go:311] Waiting for caches to sync for RequestHeaderAuthRequestController I0512 06:56:25.414977 1 tlsconfig.go:240] "Starting DynamicServingCertificateController" I0512 06:56:25.415863 1 configmap_cafile_content.go:202] "Starting controller" name="client-ca::kube-system::extension-apiserver-authentication::client-ca-file" I0512 06:56:25.415881 1 shared_informer.go:311] Waiting for caches to sync for client-ca::kube-system::extension-apiserver-authentication::client-ca-file I0512 06:56:25.416481 1 configmap_cafile_content.go:202] "Starting controller" name="client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file" I0512 06:56:25.416499 1 shared_informer.go:311] Waiting for caches to sync for client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file I0512 06:56:25.515674 1 shared_informer.go:318] Caches are synced for RequestHeaderAuthRequestController I0512 06:56:25.515813 1 leaderelection.go:250] attempting to acquire leader lease kube-system/kube-scheduler... I0512 06:56:25.516135 1 shared_informer.go:318] Caches are synced for client-ca::kube-system::extension-apiserver-authentication::client-ca-file I0512 06:56:25.517162 1 shared_informer.go:318] Caches are synced for client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file I0512 06:56:25.597375 1 leaderelection.go:260] successfully acquired lease kube-system/kube-scheduler E0512 06:56:34.686884 1 leaderelection.go:332] error retrieving resource lock kube-system/kube-scheduler: Get "https://199.19.213.238:6443/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-scheduler?timeout=5s": net/http: request canceled (Client.Timeout exceeded while awaiting headers) E0512 06:56:39.686672 1 leaderelection.go:332] error retrieving resource lock kube-system/kube-scheduler: Get "https://199.19.213.238:6443/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-scheduler?timeout=5s": context deadline exceeded I0512 06:56:39.686743 1 leaderelection.go:285] failed to renew lease kube-system/kube-scheduler: timed out waiting for the condition E0512 06:56:44.732898 1 leaderelection.go:308] Failed to release lock: Put "https://199.19.213.238:6443/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-scheduler?timeout=5s": net/http: request canceled (Client.Timeout exceeded while awaiting headers) E0512 06:56:44.732966 1 server.go:242] "Leaderelection lost"