This table contains aggregate data maintained by a flow monitor
for traffic flows for which it is computing TCP metrics.
This table has an sparse dependent relationship on the
cfmFlowMetricsTable (defined by the CISCO-FLOW-MONITOR-MIB),
containing a row for each row in the cfmFlowMetricsTable having
a corresponding instance of cfmFlowMetricsCollected with the
'tcp' bit set to one.