虚拟机备份转移后，网络启动异常，提示“SIOCSIFADDR: No such device”

he problem lies in the fact that ethernet MAC addresses are cached.

You need to remove a file to clear the cached value:

问题是由于以太网MAC地址被缓存。 你需要删除一个文件来清除缓存值：

$ sudo rm /etc/udev/rules.d/70-persistent-net.rules 
$ reboot

重启后就恢复正常！