Allow to use QEMU sockets as a CAN bus backend
Additional information:
Good possible example how it can be done is via UDP multicast in `python-can` library:
- https://python-can.readthedocs.io/en/master/interfaces/udp_multicast.html

Another option, with less features is using a simple serial/character device like in:
- https://python-can.readthedocs.io/en/master/interfaces/serial.html