digraph board {
	rankdir=TB
	n00000001 [label="{{} | amd isp4\n | {<port0> 0}}", shape=Mrecord, style=filled, fillcolor=green]
	n00000001:port0 -> n00000003 [style=bold]
	n00000003 [label="Preview\n/dev/video0", shape=box, style=filled, fillcolor=yellow]
}
