--------------
$ ip -s link show can0
5: can0: <NOARP,ECHO> mtu 16 qdisc noop state DOWN mode DEFAULT group default qlen 10
link/can
RX: bytes packets errors dropped missed mcast
0 0 0 0 0 0
TX: bytes packets errors dropped carrier collsns
0 0 0 0 0 0
$ sudo ip link set can0 up type can bitrate 1000000
$ ip -s link show can0
5: can0: <NOARP,UP,LOWER_UP,ECHO> mtu 16 qdisc pfifo_fast state UP mode DEFAULT group default qlen 10
link/can
RX: bytes packets errors dropped missed mcast
0 0 0 0 0 0
TX: bytes packets errors dropped carrier collsns
0 0 0 0 0 0
$ pip3 install python-can
$ python3 ~/klipper/scripts/canbus_query.py can0
Found canbus_uuid=8545cb97859e, Application: Klipper
Found canbus_uuid=82360ff863a5, Application: Klipper
Total 2 uuids found
SocketcanBus was not properly shut down
printer.cfg
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[mcu]
# 主板 Fly D5 的 UUID
canbus_uuid: 8545cb97859e
[mcu can]
# EBB42 的 UUID
canbus_uuid: 82360ff863a5
--------------
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