1.使用 ifconfig -a 查看mac地址 eg:HWaddr:08:00:29:B2:2B
2.vi /etc/sysconfig/network-scripts/ifcfg-eth0
将HWaddr改为查看到的mac地址
3.rm －rf /etc/udev/rules.d/70-persistent-net.rules
4.reboot
VMbox复制虚拟机后网卡问题-bring up interface eth0:Device eth0 does not seem to be present
原文：http://www.cnblogs.com/biboxie/p/4225030.html
