[CentOS] From Networkmanager to self managed configuration files

I don't know who is intereseted in, 

http://www.centos.cms4all.org/index.php/2017/03/07/centos-7-the-journey-form-networkmanager-to-self-managed-network-configuration-files/

Can be a bug, because the isn't nessesery.

Sincerely

AndyBe