     'Who'
     'I/O Type'
     'Event'
+    'Type'
     'Bytes'
   ]
 

          event.nanos
          'many &#8594;  many'
          'UDP'
          'heartbeat'
          "#{event.sends} sent #{event.recvs} received"
        ]


          "#{event.from} &#8594; #{event.to}"
          event.protocol
          event.msg_type
          if event.is_send then 'send' else 'receive'
          event.data
        ]

