The amount of time (in 100ms intervals) over which the
threshold is defined. The default value is 600 (60 seconds).
If hwDot3ahEfmErrFrameSecsSummaryThreshold frame errors occur
within a window of hwDot3ahEfmErrFrameSecsSummaryWindow (in tenths
of seconds), an Event Notification OAMPDU should be generated
with an Errored Frame Seconds Summary Event TLV indicating the
threshold has been crossed in this window.