[EXTERNAL] Re: [RFC] net/vdev_netvsc: check for NetVSC device before auto-probe

[Stephen Hemminger]

On Mon, 23 Feb 2026 21:42:45 +0000
Long Li <longli at microsoft.com> wrote:

> > 
> > This is not sufficient to fix the github problem.
> > The container still has an interface, and cloud-init has given it an address. But it
> > has no route to outside (in container).
> > 
> > It looks like the whole automagic vdev_netvsc model is so brittle it should be
> > removed.  
> 
> Can we set up a default config of not auto probing net_vdev_netvsc? Or some kind of flags that says a driver should not be auto loaded.
> 
> Most customers are running "vdev" arguments to load them in their DPDK application.


The problem is it runs in an initializer so it would have to be a build flag
rather than a runtime flag.