Add Dockerfile for basic container which uses can-utils in order to generate...

Add Dockerfile for basic container which uses can-utils in order to generate random traffic on a virtual interface

Dockerfile

+#   The host exposes the virtual interface vcan0:
+#   https://stackoverflow.com/questions/21022749/how-to-create-virtual-can-port-on-linux-c
+#   sudo modprobe vcan
+#   sudo ip link add dev vcan0 type vcan
+#   sudo ip link set up vcan0
+
+FROM ubuntu:20.04
+
+RUN apt-get update -y
+RUN apt-get install can-utils
+
+# For the moment, expose the host network to the container for vcan0 visibility
+# https://www.lagerdata.com/articles/forwarding-can-bus-traffic-to-a-docker-container-using-vxcan-on-raspberry-pi
+CMD cangen vcan0
+
+# On the host system, run 'candump vlan0' command to capture generated CAN traffic