[lxc-users] Containers have network issues when their host uses a bonded interface

[Peter Steele]

On 09/07/2015 11:49 AM, Peter Steele wrote:
> We're having issues with networking connections in our containers when 
> the host is configured with bonded interfaces. When we configure these 
> same servers to run with VMs, everything works fine, but when we swap 
> out the VMs for equivalently configured containers, we get all kinds 
> of network connection failures between containers. The network issues 
> go away when we reduce the bond to have a single member. More 
> specifically, we configure our server with a host bridge (br0), where 
> the host bridge links to the host's bonded interface (bond0). We've 
> been using this model for years with VMs. Something isn't working 
> quite right with containers though.
>
> Is there something we need to set in our containers' config files when 
> the host is setup with bonding?
>
Incidentally, our hosts and containers are all running CentOS 7.1.