[CentOS] CentOS 7, systemd, NetworkMangler, oh, my

[Gordon Messmer]

On 02/13/2017 07:35 AM, m.roth at 5-cent.us wrote:
> Finally, I do an ifdown, followed by an ifup, and everything's wonderful.

What's in /etc/sysconfig/network-scripts/ifcfg-<interface>? Does it say 
NM_CONTROLLED=no?

> My manager thinks that the NM daemon thinks everything's fine, and
> there've been no changes, so it does nothing. He suggests that it might
> have to be stopped, then started, rather than restarted.

"systemctl restart NetworkManager" completely stops the service and 
starts it again.

> This is completely unacceptable behavior, since it leave the system with
> no network connection. Pre-systemd, as we all know, restart *RESTARTED*
> the damn thing.

Still does.