Error Restarting Network Service in CentOS 7

linux

Today I got this error message when restarting network service with # systemctl restart network.service or # service network restart:

Restarting network (via systemctl): Job for network.service failed. See 'systemctl status network.service' and 'journalctl -xn' for details.

Browsing around for a while, then found this solution:

# systemctl stop NetworkManager
# systemctl disable NetworkManager

After disabling NetworkManger, restarting network service succeeded.

Source:
http://unix.stackexchange.com/questions/220750/centos-7-failed-to-bring-up-down-networking-configure-interface-for-a-trunk-in
http://www.linuxquestions.org/questions/linux-newbie-8/centos-7-failed-to-bring-up-down-networking-configure-interface-for-a-trunk-interfa-4175550117/

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