error: "net.bridge.bridge-nf-call-ip6tables" is an unknown key
error: "net.bridge.bridge-nf-call-iptables" is an unknown key
error: "net.bridge.bridge-nf-call-arptables" is an unknown key
解决方法：modprobe bridge
加载bridge模块
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RHEL 6.4 sysctl问题 net.bridge.bridge-nf-call-iptables is an unknown key
原文：http://zhangxiaohua.blog.51cto.com/2321741/1576349