Cansniffer and Candump commands are not showing any results

Hi,

ICSim installed successfully..

vcan0 interface is UP and running.... and all commands executed from ./setup_vcan.sh..
executed the commands ./icscim vcan0 and ./controls vcan0

Issue: 
$cansniffer -c vcan0
45|ms | ID  | data ...     < vcan0 # l=20 h=100 t=500 slots=0 >
$candump -c vcan0
no result

please help me...