sensor id 4 bytes
event id 4 bytes
event seconds 4 bytes
event microseconds 4 bytes
linktype 4 bytes
packet length 4 bytes
packet data <variable length>
A Unified2 Packet is provided with each Unified2 Event record. This packet is the `alerting' packet that caused a given event.
Unified2 Packet records contain contain a copy of the packet that caused an alert (Packet Data) and is packet length octets long.