[fedora-virt] Slow virtio network startup?

[Tom Horsley]

I just replaced my block and network virtio drivers in my
Windows XP machine with the newest ones (the old block
driver would bluescreen at boot time). The new drivers
seem to work, but the network takes almost a minute to
get initialized. During this time if I try to do things
like right click on network and bring up properties,
nothing happens at all, the window with the list of
interfaces doesn't even appear for about a minute, and
when it does appear, it is blank - I have to right click
and refresh before the network shows up. Once this finally
happens, it seems to be working normally. I can tell
it to repair, and it only takes a few seconds to renew
the DHCP lease, so I don't think this is a DHCP problem.

When I was using the older virtio drivers on the older
libvirt, the network would come up right away without
this mysterious delay, and other than updating the
virtio drivers I haven't changed any settings.

Anyone have any clues to the problem, or ideas for
how I can tell what is going on?