Add bugreport info about network feature use. DO NOT MERGE

Backported from master change Ib9285359.

We've had a couple bug reports showing the effects of a left-live feature request.
We need a bit more bugreport-time logging.

bug: 2323226
bug: 2377507
change-id: I296b2887101c260aea678bf6db91144535cbad7e