I0317 20:48:21.262562 1 serving.go:386] Generated self-signed cert in-memory W0317 20:48:22.353789 1 requestheader_controller.go:204] Unable to get configmap/extension-apiserver-authentication in kube-system. Usually fixed by 'kubectl create rolebinding -n kube-system ROLEBINDING_NAME --role=extension-apiserver-authentication-reader --serviceaccount=YOUR_NS:YOUR_SA' W0317 20:48:22.353826 1 authentication.go:397] Error looking up in-cluster authentication configuration: configmaps "extension-apiserver-authentication" is forbidden: User "system:kube-scheduler" cannot get resource "configmaps" in API group "" in the namespace "kube-system" W0317 20:48:22.353838 1 authentication.go:398] Continuing without authentication configuration. This may treat all requests as anonymous. W0317 20:48:22.353847 1 authentication.go:399] To require authentication configuration lookup to succeed, set --authentication-tolerate-lookup-failure=false I0317 20:48:22.388945 1 server.go:171] "Starting Kubernetes Scheduler" version="v1.33.4" I0317 20:48:22.389027 1 server.go:173] "Golang settings" GOGC="" GOMAXPROCS="" GOTRACEBACK="" I0317 20:48:22.394141 1 configmap_cafile_content.go:205] "Starting controller" name="client-ca::kube-system::extension-apiserver-authentication::client-ca-file" I0317 20:48:22.394239 1 shared_informer.go:350] "Waiting for caches to sync" controller="client-ca::kube-system::extension-apiserver-authentication::client-ca-file" I0317 20:48:22.394805 1 secure_serving.go:211] Serving securely on [::]:10259 I0317 20:48:22.394862 1 tlsconfig.go:243] "Starting DynamicServingCertificateController" I0317 20:48:22.494588 1 shared_informer.go:357] "Caches are synced" controller="client-ca::kube-system::extension-apiserver-authentication::client-ca-file" I0317 20:48:22.495259 1 leaderelection.go:257] attempting to acquire leader lease kube-system/kube-scheduler... E0317 20:49:27.233436 1 leaderelection.go:436] error retrieving resource lock kube-system/kube-scheduler: Get "https://199.19.213.117:6443/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-scheduler?timeout=5s": context deadline exceeded E0317 20:49:34.792225 1 leaderelection.go:436] error retrieving resource lock kube-system/kube-scheduler: Get "https://199.19.213.117:6443/apis/coordination.k8s.io/v1/namespaces/kube-system/leases/kube-scheduler?timeout=5s": net/http: request canceled (Client.Timeout exceeded while awaiting headers) E0317 20:49:39.083142 1 leaderelection.go:436] error retrieving resource lock kube-system/kube-scheduler: etcdserver: leader changed