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Jeff Dike wrote:
> On Thu, Apr 26, 2007 at 04:12:40PM +0200, Blaisorblade wrote:
>> If there are so many interfaces and they were just reordered, this could be 
>> caused by a (non-existant) change in link order. Or (I don't know how) it 
>> could derive some way from the fact that interfaces are initialized later 
>> (instead of __initcall, late_initcall is now used).
> 
> No, there's a database of interface names and MAC addresses somewhere.
> Distros have started making sure that ethx is always the same device
> by making sure that it always has the same MAC.  So when a device
> shows up with a different MAC, it gets a new name.
Question remains as to why the mac address was the same until 2.6.20 and
is now different.

> 
> The easiest way to work around this is to provide a MAC on the UML
> command line.
Except, pcap doesn't have the option.
I am looking at pcap_user.c and pcap_kern.c trying to figure out where I
can add parsing for that.

Antoine
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