1. 删除网络配置文件/etc/sysconfig/network-script/ifcfg-eth0中的“HWADDR=...”以及“UUID=...”这两行

  2. sed -i '/UUID/d' /etc/sysconfig/network-scripts/ifcfg-eth0

  3. sed -i '/HWADDR/d' /etc/sysconfig/network-scripts/ifcfg-eth0

  4. 清空原设备的MAC地址

    >/etc/udev/rules.d/70-persistent-net.rules

  5. 重启系统reboot