解决克隆后不能上网
# 把HWADDR,UUID所在的行删掉
vi /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
HWADDR=00:0c:29:8c:72:58
TYPE=Ethernet
UUID=c6fa3340-c99e-4a11-9db7-c9068a6ffb38
ONBOOT=yes
NM_CONTROLLED=yes
BOOTPROTO=dhcp
DNS2=202..106.0.20
DNS1=8.8.8.8
USERCTL=no
PEERDNS=yes
IPV6INIT=no
# 清空70-persistent-net.rules文件
>/etc/udev/rules.d/70-persistent-net.rules
# 重启
reboot