Restart card error RTNETLINK answers: File exists

2019-08-10

---

 

Time Causes

　　Today set up kvm server configuration is complete bridge card, after restart network services, IP discovery can not access the server, the card must be the rule of thumb there is a problem related services

Find out why

　　View the card service status

systemctl status network 

found the following error 
RTNETLINK answers: File exists

　　Degree of your mother find out the reasons, network services conflict with NetworkManager

  [root@localhost ~]# chkconfig --list network

   network         0:off  1:off  2:on  3:on  4;on  5:on  6:off
  [root@localhost ~]# chkconfig --list NetworkManager
   NetworkManager          0:off  1:off  2:off 3:on  4:on  5:off  6:off

Solution

　　NetworkManager can shut down service

systemctl stop NetworkManager # NetworkManager stop service 
systemctl disable NetworkManager # ban NetworkManager service boot

　　Then found that the problem is solved

Reference article: https://blog.csdn.net/e_wsq/article/details/77852809