最小化安装CentOS 7.2.1511后，发现network启动打印不能加载ifcfg-lo文件的信息:

1systemctl status -l network
2...
3 Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo'
4...

修改/etc/sysconfig/network-scripts/ifcfg-lo，追加如下一行

1TYPE=LOOPBACK

重启network.service，问题解决

1systemctl restart network.service