suggested vhost link speed settings

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Hi list,

Being that the virtio interfaces are stated as acheiving 5-8 Gb
throughput now with vhost, as opposed to 1Gb without, how should their
link speed be defined when the choices are 2500M or 10000M?

I have them plotted out to make a 10Gb bond out of a pair, counting on
5Gb max each, which I'm imagining can be acheived without concern based
on what I read.

If I set them to 'auto-negotiate' will it internally flap between &
cause undesirable consequences?
I don't want to set them at 2500 in case they ever do need to reach
closer to 5 each.

I'm not at a point where I can test anything yet, I'm just planning &
preconfiguring so far.

For the sake of preventing issues down the line I wanted to see if
there's a consensus or standard for this scenario and be as sure as
possible ahead of time.

Thanks,

-C
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