Nope. That just means, they totally lost video down. I'm guessing they're dedicating a more robust connection for actual telemetry. To be fair, the video is mostly eyecandy. The actual meat is sensor data.

Well aware of that. But given the fact that the Mission Clock and Flight Control audio were disappearing as well.

That just means whoever does the video merge for the live stream decided (inconsistently) that the video downlink should coincide with control room chatter... cut out and all.

It seems that sometimes flight control audio cuts when that happens, sometimes it doesn't.

It only did that the first couple times.

At a guess, two different failure modes. One the "ground server problems" case, and one the "I wish we could hang a giant directional antenna off the side of the rocket" case.