centos7 network[3326]: RTNETLINK answers: File exists

[root@centos7 network-scripts]# service NetworkManager stopRedirecting to /bin/systemctl stop  NetworkManager.service[root@centos7 network-scripts]# systemctl stop NetworkManager[root@centos7 network-scripts]# systemctl restart network[root@centos7 network-scripts]# systemctl disable NetworkManagerRemoved 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.

根本原因是两个网络服务有冲突