I0521 19:25:48.798095       1 serving.go:380] Generated self-signed cert (/tmp/apiserver.crt, /tmp/apiserver.key)
I0521 19:25:49.114152       1 handler.go:288] Adding GroupVersion metrics.k8s.io v1beta1 to ResourceManager
I0521 19:25:49.219813       1 requestheader_controller.go:180] Starting RequestHeaderAuthRequestController
I0521 19:25:49.219831       1 configmap_cafile_content.go:205] "Starting controller" name="client-ca::kube-system::extension-apiserver-authentication::client-ca-file"
I0521 19:25:49.219841       1 shared_informer.go:350] "Waiting for caches to sync" controller="client-ca::kube-system::extension-apiserver-authentication::client-ca-file"
I0521 19:25:49.219834       1 shared_informer.go:350] "Waiting for caches to sync" controller="RequestHeaderAuthRequestController"
I0521 19:25:49.219831       1 configmap_cafile_content.go:205] "Starting controller" name="client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file"
I0521 19:25:49.219919       1 shared_informer.go:350] "Waiting for caches to sync" controller="client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file"
I0521 19:25:49.220087       1 dynamic_serving_content.go:135] "Starting controller" name="serving-cert::/tmp/apiserver.crt::/tmp/apiserver.key"
I0521 19:25:49.220256       1 secure_serving.go:211] Serving securely on [::]:10250
I0521 19:25:49.220273       1 tlsconfig.go:243] "Starting DynamicServingCertificateController"
I0521 19:25:49.320712       1 shared_informer.go:357] "Caches are synced" controller="client-ca::kube-system::extension-apiserver-authentication::requestheader-client-ca-file"
I0521 19:25:49.320766       1 shared_informer.go:357] "Caches are synced" controller="RequestHeaderAuthRequestController"
I0521 19:25:49.320788       1 shared_informer.go:357] "Caches are synced" controller="client-ca::kube-system::extension-apiserver-authentication::client-ca-file"
E0521 19:28:47.604238       1 webhook.go:269] Failed to make webhook authorizer request: Post "https://10.96.0.1:443/apis/authorization.k8s.io/v1/subjectaccessreviews?timeout=10s": dial tcp 10.96.0.1:443: connect: connection refused
E0521 19:28:47.604417       1 errors.go:83] "Unhandled Error" err="Post \"https://10.96.0.1:443/apis/authorization.k8s.io/v1/subjectaccessreviews?timeout=10s\": dial tcp 10.96.0.1:443: connect: connection refused" logger="UnhandledError"
E0521 19:28:48.593894       1 webhook.go:269] Failed to make webhook authorizer request: Post "https://10.96.0.1:443/apis/authorization.k8s.io/v1/subjectaccessreviews?timeout=10s": dial tcp 10.96.0.1:443: connect: connection refused
E0521 19:28:48.593941       1 errors.go:83] "Unhandled Error" err="Post \"https://10.96.0.1:443/apis/authorization.k8s.io/v1/subjectaccessreviews?timeout=10s\": dial tcp 10.96.0.1:443: connect: connection refused" logger="UnhandledError"