--- /dev/null
+ CAN bus 0
+ -------*---------*--------
+ ^ |
+ | v
+ +------+ +------+ +------+ +------+
+ +--+ can0 +--+ can1 +--+ can2 +--+ can3 +--+
+ | | | | | | | | | |
+ | | | | | | | | | |
+ | +------+ +------+ +------+ +------+ |
+ | |
+ | PC |
+ | |
+ +--------------------------------+---------+