Even without updating to 0.0.26, it's a trivial fix. Here's a patch that does it.
** Attachment added: "Increase max port from 6881 to 6889" http://librarian.launchpad.net/6579414/ports.diff -- "Address already in use" error with multiple downloads https://launchpad.net/bugs/57039 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs