[root@centos ~]# /etc/init.d/network restart

Restarting network (via systemctl):  Job for network.service failed because the control process exited with error code. See "systemctl status network.service" and "journalctl -xe" for details.

                                                           [FAILED]

[root@centos ~]# systemctl status network

● network.service - LSB: Bring up/down networking

   Loaded: loaded (/etc/rc.d/init.d/network; bad; vendor preset: disabled)

   Active: failed (Result: exit-code) since Tue -- :: EDT; 23s ago

     Docs: man:systemd-sysv-generator()

  Process:  ExecStop=/etc/rc.d/init.d/network stop (code=exited, status=/SUCCESS)

  Process:  ExecStart=/etc/rc.d/init.d/network start (code=exited, status=/FAILURE)

Mar  :: centos systemd[]: Starting LSB: Bring up/down networking...

Mar  :: centos network[]: Bringing up loopback interface:  [  OK  ]

Mar  :: centos network[]: Bringing up interface eth0:  Error: ...n.

Mar  :: centos network[]: [FAILED]

Mar  :: centos network[]: Bringing up interface eth1:  Connect...)

Mar  :: centos network[]: [  OK  ]

Mar  :: centos systemd[]: network.service: control process exited,...=

Mar  :: centos systemd[]: Failed to start LSB: Bring up/down netwo...g.

Mar  :: centos systemd[]: Unit network.service entered failed state.

Mar  :: centos systemd[]: network.service failed.

Hint: Some lines were ellipsized, use -l to show in full.

#关闭系统自带的NetworkManager这个管理套件就可以解决。

[root@centos ~]# systemctl stop NetworkManager

[root@centos ~]# systemctl disable NetworkManager

Removed symlink /etc/systemd/system/multi-user.target.wants/NetworkManager.service.

Removed symlink /etc/systemd/system/dbus-org.freedesktop.NetworkManager.service.

Removed symlink /etc/systemd/system/dbus-org.freedesktop.nm-dispatcher.service.

[root@centos ~]#

#重启网络

[root@centos ~]# /etc/init.d/network restart

Restarting network (via systemctl):                        [  OK  ]