swapoff -a && kubeadm reset && systemctl daemon-reload && systemctl restart kubelet && iptables -F && iptables -t nat -F && iptables -t mangle -F && iptables -X
继续
kubeadm init --kubernetes-version=v1.17.0 --pod-network-cidr=10.244.0.0/16 --image-repository=registry.cn-hangzhou.aliyuncs.com/google_containers