Whether the Measurement Interval has been marked as suspect.
The object is set to false at the start of a measurement
interval. It is set to true when there is a discontinuity in the
performance measurements during the Measurement Interval. Conditions
for a discontinuity include, but are not limited to the following:
1 - The local time-of-day clock is adjusted by at least 10 seconds
2 - The conducting of a performance measurement is halted before the
current Measurement Interval is completed
3 - A local test, failure, or reconfiguration that disrupts service