$ perl -wE'say 5.5*1024 / length("Nov 17 11:09:25 proxy02 kernel: OUTPUT LOGIN= OUT=eth0 SRC=11.11.11.0 DST=192.168.3.1 LEN=1420 TOS=0x00 PREC=0x00 TTL=64 ID=10523 DF PROTO=TCP SPT=3128 DPT=1921 WINDOW=16659 RES=0x00 ACK URGP=0\n")'
29.0309278350515