reverseproxy: Only log host is up status on change #6419
Merged
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Fixes #6415
This changes the behavior of logging to only log the host up-state on state changes.
I manually tested it in the setup I needed it in and I noticed that if the upstream is available immediately the line is not logged. That leads me to believe that the event is also not emitted? I am again unsure if this is the intended behavior.
Thanks!