better debug description
better debug description

Includes current connection state in debug description

cnbin/Reachability,yimouleng/Reachability,sdonly/Reachability,christophercotton/Reachability,johnmyqin/Reachability,yaoxiaoyong/Reachability,AdLyft/Reachability,SampleLiao/Reachability,webcrawler/Reachability,809848367/Reachability,yangshuai930319/Reachability,Phelthas/Reachability,tonymillion/Reachability,chengkaizone/Reachability,webconnex/Reachability,sambame/Reachability,liwangbest/Reachability,iguchunhui/Reachability,SummerHF/Reachability,mwkirk/Reachability,albertbori/Reachability,wuchaofei/Reachability,tringkishorekumar/Reachability,xingfukun/Reachability,jum/Reachability,so-ixc/Reachability,qx/Reachability,HSFGitHub/Reachability,sandyway/Reachability