Persisted Ack Latency and Received Ack latency shoots up to timestamp values when stopping streaming

[disa6302]

While running the canaries it was observed that while running the intermittent scenario as:

while(time < runTill) {
    // putFrame
}
while(time < sleepTill) {
    // sleep
}

Right when it begins to sleep, the persisted Ack latency shoots up to values as high as a timestamp when the max expected latency by design is about 20 - 25 seconds tops.