TS-4274 Use the correct hostdb levels when calling lookup_block
TS-4274 Use the correct hostdb levels when calling lookup_block

This closes #536

chenglongwei/trafficserver,SolidWallOfCode/trafficserver,PSUdaemon/trafficserver,clearswift/trafficserver,reveller/trafficserver,rpufky/trafficserver,reveller/trafficserver,taoyunxing/trafficserver,bryancall/trafficserver,chenglongwei/trafficserver,davidbz/trafficserver,chenglongwei/trafficserver,pbchou/trafficserver,PSUdaemon/trafficserver,taoyunxing/trafficserver,clearswift/trafficserver,taoyunxing/trafficserver,bryancall/trafficserver,taoyunxing/trafficserver,pbchou/trafficserver,chitianhao/trafficserver,clearswift/trafficserver,persiaAziz/trafficserver,clearswift/trafficserver,bryancall/trafficserver,duke8253/trafficserver,duke8253/trafficserver,taoyunxing/trafficserver,SolidWallOfCode/trafficserver,rpufky/trafficserver,dyrock/trafficserver,chitianhao/trafficserver,pbchou/trafficserver,reveller/trafficserver,vmamidi/trafficserver,duke8253/trafficserver,vmamidi/trafficserver,reveller/trafficserver,persiaAziz/trafficserver,clearswift/trafficserver,chitianhao/trafficserver,persiaAziz/trafficserver,PSUdaemon/trafficserver,rpufky/trafficserver,rahmalik/trafficserver,dyrock/trafficserver,duke8253/trafficserver,rpufky/trafficserver,chitianhao/trafficserver,persiaAziz/trafficserver,reveller/trafficserver,davidbz/trafficserver,vmamidi/trafficserver,vmamidi/trafficserver,SolidWallOfCode/trafficserver,PSUdaemon/trafficserver,rahmalik/trafficserver,reveller/trafficserver,bryancall/trafficserver,rahmalik/trafficserver,persiaAziz/trafficserver,clearswift/trafficserver,rpufky/trafficserver,bryancall/trafficserver,rpufky/trafficserver,dyrock/trafficserver,rpufky/trafficserver,duke8253/trafficserver,chitianhao/trafficserver,davidbz/trafficserver,vmamidi/trafficserver,persiaAziz/trafficserver,chenglongwei/trafficserver,chenglongwei/trafficserver,rahmalik/trafficserver,dyrock/trafficserver,clearswift/trafficserver,duke8253/trafficserver,clearswift/trafficserver,davidbz/trafficserver,rahmalik/trafficserver,PSUdaemon/trafficserver,chitianhao/trafficserver,SolidWallOfCode/trafficserver,reveller/trafficserver,PSUdaemon/trafficserver,duke8253/trafficserver,reveller/trafficserver,rahmalik/trafficserver,chitianhao/trafficserver,reveller/trafficserver,SolidWallOfCode/trafficserver,taoyunxing/trafficserver,taoyunxing/trafficserver,SolidWallOfCode/trafficserver,pbchou/trafficserver,rpufky/trafficserver,pbchou/trafficserver,rahmalik/trafficserver,PSUdaemon/trafficserver,vmamidi/trafficserver,PSUdaemon/trafficserver,taoyunxing/trafficserver,chenglongwei/trafficserver,dyrock/trafficserver,davidbz/trafficserver,chenglongwei/trafficserver,rpufky/trafficserver,rahmalik/trafficserver,dyrock/trafficserver,chenglongwei/trafficserver,rahmalik/trafficserver,davidbz/trafficserver,pbchou/trafficserver,persiaAziz/trafficserver,bryancall/trafficserver,PSUdaemon/trafficserver,clearswift/trafficserver,persiaAziz/trafficserver,taoyunxing/trafficserver,SolidWallOfCode/trafficserver,dyrock/trafficserver