✌ k8s 구성중 kubelet loaded 상태 해결하기
runtime network not ready: NetworkReady=false reason:NetworkPluginNotReady message:docker: network plugin is not ready: cni config uninitialized
아래 명령어를 실행 후
kubectl apply -f https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml
kubelet restart 실행
systemctl restart kubelet