1digraph board {
2 rankdir=TB
3 n00000001 [label="{{} | amd isp4\n | {<port0> 0}}", shape=Mrecord, style=filled, fillcolor=green]
4 n00000001:port0 -> n00000003 [style=bold]
5 n00000003 [label="Preview\n/dev/video0", shape=box, style=filled, fillcolor=yellow]
6}
7