Mark debug logs of polling as verbose
Mark debug logs of polling as verbose

bryancall/trafficserver,bryancall/trafficserver,SolidWallOfCode/trafficserver,SolidWallOfCode/trafficserver,vmamidi/trafficserver,duke8253/trafficserver,pbchou/trafficserver,pbchou/trafficserver,duke8253/trafficserver,SolidWallOfCode/trafficserver,vmamidi/trafficserver,bryancall/trafficserver,duke8253/trafficserver,vmamidi/trafficserver,vmamidi/trafficserver,pbchou/trafficserver,duke8253/trafficserver,SolidWallOfCode/trafficserver,pbchou/trafficserver,davidbz/trafficserver,bryancall/trafficserver,pbchou/trafficserver,davidbz/trafficserver,davidbz/trafficserver,bryancall/trafficserver,SolidWallOfCode/trafficserver,davidbz/trafficserver,vmamidi/trafficserver,duke8253/trafficserver,bryancall/trafficserver,davidbz/trafficserver,vmamidi/trafficserver,duke8253/trafficserver,SolidWallOfCode/trafficserver,SolidWallOfCode/trafficserver,davidbz/trafficserver,pbchou/trafficserver,duke8253/trafficserver