End to end frame latency measurement in producer canary shoots up occasionally

[disa6302]

While running the producer and consumer canary, it is noticed that the end to end frame latency shoots up to a very large value. On analyzing the metric, it does look like the metric is emitted as a timestamp measured at the consumer. This could probably happen because of missing timestamp in the canary packet, but some root cause analysis and solution is required to understand why this happens.