Developers, engineers and Arduino enthusiasts may be interested in a new open source piece of hardware designed for CAN bus Arduino projects.

I think that CAN-BUS Shield I linked has an Arduino library on Github, complete with examples you can reference, when you're ready for that step. You mention that most of your dev experience is in ...

The “N” in CAN stands for network, after all. The trick is to create a device ID for each desired CANSerial interface, which is done in his library using the usual Arduino setup step.