解决办法:
echo "1">/proc/sys/net/bridge/bridge-nf-call-iptables
echo "1">/proc/sys/net/bridge/bridge-nf-call-ip6tables
ERROR FileContent--proc-sys-net-bridge-bridge-nf-call-iptables 设置错误导致kubeadm安装k8s失败
原文：https://www.cnblogs.com/hgdf/p/13865749.html
