1、报错及现象

journalctl -u network -f 查看报错如下：

Feb 25 16:22:42 compute network[57035]: RTNETLINK answers: File exists
Feb 25 16:22:42 compute network[57035]: RTNETLINK answers: File exists
Feb 25 16:22:42 compute network[57035]: RTNETLINK answers: File exists
Feb 25 16:22:42 compute network[57035]: RTNETLINK answers: File exists
Feb 25 16:22:42 compute network[57035]: RTNETLINK answers: File exists
Feb 25 16:22:42 compute network[57035]: RTNETLINK answers: File exists
Feb 25 16:22:42 compute network[57035]: RTNETLINK answers: File exists
Feb 25 16:22:42 compute network[57035]: RTNETLINK answers: File exists
Feb 25 16:22:42 compute network[57035]: RTNETLINK answers: File exists

2、问题的成因

• /etc/init.d/network
• /etc/init.d/NetworkManager

这两个服务有冲突。

从根本上说是NetworkMaganager（NM）的带来的冲突，停用NetworkManager即可解决。重启即可。

3、解决方法

停用NetworkManager

service NetworkManager stop

重启network

service network restart