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From: Paul Brook <paul@codesourcery.com>
Subject: Re: [Qemu-devel] Re: [PATCH 1/5] virtio-net: Allow setting the MAC
	address via set_config
Date: Wed, 14 Jan 2009 22:14:45 +0000
References: <1231881829.9095.191.camel@bling>
	<20090114164155.GA6431@shareable.org> <496E61F0.8060605@redhat.com>
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To: qemu-devel@nongnu.org, dlaor@redhat.com
Cc: Mark McLoughlin <markmc@redhat.com>, kvm <kvm@vger.kernel.org>

> What I meant is that if we allow the guest to change his mac address, it
> can deliberately
> change it to other hosts/guests mac and thus create networking problems.
> Although guest can always mangle packets, maybe it worth enforcing these
> macs for the guest.

This doesn't seem any different to real hardware that allows you to change the 
MAC address.

Paul