@Gao
see the other thread Managing eths in vm from hv   too.

We weren't able to order based on vnets, though I agree its seems intuitive. 
But our test wasn't thorough. Eric says:

"Libvirt passes the devices to the qemu command line in the same order that 
they appear in the XML. It is not libvirt's
fault if qemu then takes the command line arguments and presents it to the 
guest in such a way that the guest can
initialize the devices in the order in which a bus scan finds them, rather than 
in the order they were presented on the
command line."

as far as I can tell the bridges are always setup first, then the direct VF 
connections. Whether this is caused by our
hardware or Qemu or PCI I have no idea.

Now, I am trying the idea of editing the /etc/udev/rules.d/70* file to move the 
MAC addresses around. Results are mixed.
very puzzling.

John

On 12/08/2012 08:21 AM, Gao Yongwei wrote:
>
>
> 2012/12/7 john fisher <[email protected] <mailto:[email protected]>>
>
>     <target dev='vnet0'/>
>
> I think the vnet* can affect the order in vm. 

-- 
John Fisher

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