Invalid query packet.
Dec 25 08:03:46 home9200 avahi-daemon: Invalid query packet.
Dec 25 08:04:26 home9200 avahi-daemon: last message repeated 2 times
I see this in /var/log/syslog all the time. I don't know what causes it. For what it's worth, I'm on a network that also has 3 macs and an Airport Express router. The main router for the network is a Trendnet which I'm attached directly to.
Date: Fri Dec 25 08:06:33 2009
DistroRelease: Ubuntu 10.04
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Alpha amd64 (20091209)
Package: avahi-daemon 0.6.25-1ubuntu6
Uname: Linux 2.6.32-9-generic x86_64