This output is only shown if you use --stats, so again: please try to give a script that reproduces the problem.
sshpass -p $PASS rsync --timeout=30 --bwlimit=$SPEED --log-file=$LOGFILE --stats --delete --size-only -vrz "/data" -e ssh root@$IP:data/ 2> /tmp/rsync-error >> $EXTLOG
cat $EXTLOG Number of files: 1 (dir: 1) Number of created files: 0 Number of regular files transferred: 0 Total file size: 0 bytes Total transferred file size: 0 bytes Literal data: 0 bytes Matched data: 0 bytes File list size: 35 File list generation time: 0.001 seconds File list transfer time: 0.000 seconds Total bytes sent: 74 Total bytes received: 53 sent 74 bytes received 53 bytes 254.00 bytes/sec total size is 0 speedup is 0.00 Max
