Feb 5 19:49:24 (none) comm[150]: Uploading HTTP Header for modLog of /var/log/svclog: POST /tivo-service/mlog.cgi HTTP/1.0^M Content-Length: 13706^M ^M
Feb 5 19:52:21 (none) comm[150]: XferRqst timeout waiting to read
This is what we typically see when a newer transparent proxy is involved.

Peter.