Handled connection/channel errors in consumer.consume
Handled connection/channel errors in consumer.consume

Change-Id: Ie29d77ff54a496dbc446ad3c98aba6a9a2c957ef

eonpatapon/contrail-controller,hthompson6/contrail-controller,tcpcloud/contrail-controller,numansiddique/contrail-controller,sajuptpm/contrail-controller,eonpatapon/contrail-controller,DreamLab/contrail-controller,hthompson6/contrail-controller,sajuptpm/contrail-controller,hthompson6/contrail-controller,numansiddique/contrail-controller,rombie/contrail-controller,codilime/contrail-controller,numansiddique/contrail-controller,codilime/contrail-controller,tcpcloud/contrail-controller,facetothefate/contrail-controller,eonpatapon/contrail-controller,numansiddique/contrail-controller,rombie/contrail-controller,nischalsheth/contrail-controller,vpramo/contrail-controller,tcpcloud/contrail-controller,facetothefate/contrail-controller,tcpcloud/contrail-controller,reiaaoyama/contrail-controller,reiaaoyama/contrail-controller,nischalsheth/contrail-controller,nischalsheth/contrail-controller,rombie/contrail-controller,hthompson6/contrail-controller,vmahuli/contrail-controller,vmahuli/contrail-controller,tcpcloud/contrail-controller,sajuptpm/contrail-controller,codilime/contrail-controller,codilime/contrail-controller,eonpatapon/contrail-controller,vpramo/contrail-controller,tcpcloud/contrail-controller,nischalsheth/contrail-controller,vpramo/contrail-controller,rombie/contrail-controller,DreamLab/contrail-controller,DreamLab/contrail-controller,vpramo/contrail-controller,sajuptpm/contrail-controller,eonpatapon/contrail-controller,vmahuli/contrail-controller,nischalsheth/contrail-controller,rombie/contrail-controller,facetothefate/contrail-controller,nischalsheth/contrail-controller,facetothefate/contrail-controller,codilime/contrail-controller,sajuptpm/contrail-controller,sajuptpm/contrail-controller,DreamLab/contrail-controller,hthompson6/contrail-controller,rombie/contrail-controller,DreamLab/contrail-controller,numansiddique/contrail-controller,rombie/contrail-controller,reiaaoyama/contrail-controller,codilime/contrail-controller,eonpatapon/contrail-controller,vmahuli/contrail-controller,eonpatapon/contrail-controller,vpramo/contrail-controller,nischalsheth/contrail-controller,reiaaoyama/contrail-controller,reiaaoyama/contrail-controller,vmahuli/contrail-controller,facetothefate/contrail-controller,nischalsheth/contrail-controller