Ever since upgrading to 4.0, a lot of these entries appear in the log everyday. (IP addresses removed)
2009-05-05 01:10:45.127 NOTICE [:13318-12#APVH_forum.domain.com] connection to [uds://tmp/lshttpd/lsphp4.sock] on request #6, confirmed: 0, Connection reset by peer!
2009-05-05 11:30:10.214...