Hi ravikumar.r1,
Are you using Jetpack 6.0 or 6.1 on Orin Nano devkit?
What CAN device are you using?
PCAN is a USB device for Orin Nano.
It seems that can0 is from internal mttcan. (on J17 - Optional CAN Bus Header).
If you are connecting PCAN-USB device on the devkit, please check with can1.