CentOS网卡错误：Determining if ip address x.x.x.x is already in use for device eth0的解决办法

CentOS网卡错误：Determining if ip address x.x.x.x is already in use for device eth0，解决办法如下：

在/etc/sysconfig/network-script/ifcfg-eth0 加入一行ARPCHECK=no

然后重启网卡即可。

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