防火墙重启失败 Failed to start IPv4 firewall with iptables.

转载：https://blog.csdn.net/ls1645/article/details/78750561 防火墙重启失败。Failed to start IPv4 firewall with iptables. 用service iptables restart 开启防火墙报错: Failed to start  IPv4 firewall with iptables.     错误原因：

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