What Does "dev:" Mean In The Z-Wave Log?

I'm trying to track down a Long Range Z-Wave Ghost.
I'm seeing "dev:" in z-wave logs (example below).
Could this be the ghost in action, so to speak?
Would it provide any clues in how to identify and get rid of it?

dev = device, clicking on the link should show you the device in question.

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It's a blank on the z-wave logs page.
Just like dev:0, the hub.
image

If you click on info where does it take you?

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It's a clue, I guess.

It looks like there's activity:

I think DEV 0 is the hub.,.. @bobbyd can you confirm?