[CentOS] rsync to mirrors failing

Thu Nov 27 13:13:47 UTC 2008
Robert Moskowitz <rgm at htt-consult.com>

I try:

rsync -auv rsync://mirrors.kernel.org/centos/5.2/updates/i386/ .....

And get

rsync: read error: Connection reset by peer (104)
rsync error: error in rsync protocol data stream (code 12) at io.c(614) 
[receiver=2.6.8]


And then, if I keep trying, eventually rsync 'works' and I get my updates.

What is causing this?