I0528 02:59:00.747502 1 serving.go:348] Generated self-signed cert in-memory I0528 02:59:01.409064 1 server.go:154] "Starting Kubernetes Scheduler" version="v1.28.13" I0528 02:59:01.409111 1 server.go:156] "Golang settings" GOGC="" GOMAXPROCS="" GOTRACEBACK="" I0528 02:59:01.433014 1 requestheader_controller.go:169] Starting RequestHeaderAuthRequestController I0528 02:59:01.433063 1 shared_informer.go:311] Waiting for caches to sync for RequestHeaderAuthRequestController I0528 02:59:01.433098 1 configmap_cafile_content.go:202] "Starting controller" name="client-ca::kube-system::extension-apiserver-authentication::client-ca-file" I0528 02:59:01.433173 1 shared_informer.go:311] Waiting for caches to sync for client-ca::kube-system::extension-apiserver-authentication::client-ca-file I0528 02:59:01.433163 1 configmap_cafile_content.go:202] "Starting controller" name="client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file" I0528 02:59:01.433218 1 shared_informer.go:311] Waiting for caches to sync for client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file I0528 02:59:01.439760 1 secure_serving.go:213] Serving securely on [::]:10259 I0528 02:59:01.439829 1 tlsconfig.go:240] "Starting DynamicServingCertificateController" I0528 02:59:01.533831 1 shared_informer.go:318] Caches are synced for client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file I0528 02:59:01.534369 1 shared_informer.go:318] Caches are synced for RequestHeaderAuthRequestController I0528 02:59:01.534444 1 shared_informer.go:318] Caches are synced for client-ca::kube-system::extension-apiserver-authentication::client-ca-file I0528 02:59:01.540886 1 leaderelection.go:250] attempting to acquire leader lease kube-system/kube-scheduler... I0528 02:59:18.483204 1 leaderelection.go:260] successfully acquired lease kube-system/kube-scheduler E0528 03:01:31.333504 1 leaderelection.go:332] error retrieving resource lock kube-system/kube-scheduler: Get "https://199.204.45.4:6443/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-scheduler?timeout=5s": net/http: request canceled (Client.Timeout exceeded while awaiting headers) E0528 03:01:46.782218 1 leaderelection.go:332] error retrieving resource lock kube-system/kube-scheduler: Get "https://199.204.45.4:6443/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-scheduler?timeout=5s": net/http: request canceled (Client.Timeout exceeded while awaiting headers) E0528 03:01:51.781730 1 leaderelection.go:369] Failed to update lock: Put "https://199.204.45.4:6443/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-scheduler?timeout=5s": context deadline exceeded I0528 03:01:51.781799 1 leaderelection.go:285] failed to renew lease kube-system/kube-scheduler: timed out waiting for the condition E0528 03:01:54.292073 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 E0528 03:01:54.292136 1 server.go:242] "Leaderelection lost"