[lxc-users] Eth0 not present on boot

[Peter Steele]

On 09/21/2015 03:27 PM, Fajar A. Nugraha wrote:
> I remembered something similar a while ago, in ubuntu precise host and 
> containers, with both lxc 1.0.x and lxc-1.x from ppa. At that time a 
> container's interface would mysteriously dissapear, including it's 
> host side veth pair. Only on one container though, others were fine.
>
> Upgrading to lxc-1.x only didn't help. I ended up upgrading the host 
> to trusty and the kernel (currently running wily's 4.2). Haven't seen 
> the problem recently, but still not sure what caused the issue.
>
> @Peter, are you still running centos7's stock kernel?
>

No, we're running 4.2 now from elrepo. I saw this issue as well though 
when we were running with the 3.1 CentOS kernel. One curious thing is 
that it seems to only happen on certain servers here, so there may be a 
hardware aspect to the problem.