RTT logging tweaks

Change a log message to be more reflective of what's actually going on,
and raise its level to warning

Test: logging change
Change-Id: Iae7a8a156c77632c67d6c19cd98631ad33d1caef
Merged-In: Iae7a8a156c77632c67d6c19cd98631ad33d1caef
1 file changed