root@j7200-evm:~# ip link set can0 type can bitrate 1000000
root@j7200-evm:~# ip link set can1 type can bitrate 1000000
root@j7200-evm:~# ip link set can0 up
[  179.120540] IPv6: ADDRCONF(NETDEV_CHANGE): can0: link becomes ready
root@j7200-evm:~# ip link set can1 up
[  182.792578] IPv6: ADDRCONF(NETDEV_CHANGE): can1: link becomes ready
root@j7200-evm:~# cansend can0 123#DEADBEEF
[ 3384.758791] can: controller area network core
[ 3384.763221] NET: Registered PF_CAN protocol family
[ 3384.775827] can: raw protocol
root@j7200-evm:~# candump can1 &
[1] 775
root@j7200-evm:~# cansend can0 123#DEADBEEF
root@j7200-evm:~# cansend can0 123#DEADBEEF
root@j7200-evm:~# cansend can1 123#DEADBEEF
root@j7200-evm:~# cansend can2 123#DEADBEEF
write: Network is down
root@j7200-evm:~# ip link set can2 type can bitrate 1000000
root@j7200-evm:~# ip link set can1 up
root@j7200-evm:~# ip link set can2 up
[ 4796.076508] IPv6: ADDRCONF(NETDEV_CHANGE): can2: link becomes ready
root@j7200-evm:~#   can1  123   [4]  DE AD BE EF
root@j7200-evm:~# cansend can2 123#DEADBEEF
  can1  123   [4]  DE AD BE EF
root@j7200-evm:~# cansend can2 123#DEADBEEF
  can1  123   [4]  DE AD BE EF
root@j7200-evm:~# cansend can2 123#DEADBEEF
  can1  123   [4]  DE AD BE EF
root@j7200-evm:~# cansend can2 123#DEADBEEF
  can1  123   [4]  DE AD BE EF
root@j7200-evm:~# cansend can2 123#DEADBEEF
  can1  123   [4]  DE AD BE EF
root@j7200-evm:~# uname -r
6.1.46-dirty
root@j7200-evm:~#