1digraph peer_states {
2	Secondary -> Primary           [ label = "recv state packet" ]
3	Primary   -> Secondary 	       [ label = "recv state packet" ]
4	Primary   -> Unknown 	       [ label = "connection lost" ]
5	Secondary  -> Unknown  	       [ label = "connection lost" ]
6	Unknown   -> Primary           [ label = "connected" ]
7	Unknown   -> Secondary         [ label = "connected" ]
8}
9