The type of packets for which inter-packet intervals were
computed.
Values:
UNDEFINED_TYPE (0):
A value indicating that the enum field is not
set.
LOOPBACK (356174219):
Only applies to Echo packets. This shows the
intervals between sending and receiving the same
packet.
RECEIVE (189660867):
Intervals between received packets.
TRANSMIT (452903600):
Intervals between transmitted packets.
TYPE_UNSPECIFIED (437714322):
No description available.