o Minor changes:
   - Lower path use bias thresholds to .80 for notice and .60 for warn.
     Fixes bug #8161; bugfix on 0.2.4.10-alpa.
   - Make the rate limiting flags for the path use bias log messages
     independent from the original path bias flags. Fixes bug #8161;
     bugfix on 0.2.4.10-alpha.