service network restart报错
获取不到ip地址
解决方法： chkconfig network off
chkconfig network on
service NetworkManager stop
service NetworkManager start
卸载网卡/加载网卡ifconfig eth0 down / ifconfig eth0 up
重启网卡报错 “Device not managed by NetworkManager or unavailable”
原文：http://www.cnblogs.com/cmdm/p/7795593.html