Change loglevel for certain failures
Change loglevel for certain failures

Change Log.info to Log.error/Log.warning to make trouble shooting
more apparent

Change-Id: Ie293df0c941414da8fb035e4d4b170a0a4c9d397

miguelgrinberg/heat,noironetworks/heat,rdo-management/heat,rh-s/heat,dragorosson/heat,maestro-hybrid-cloud/heat,rh-s/heat,takeshineshiro/heat,jasondunsmore/heat,pratikmallya/heat,srznew/heat,ntt-sic/heat,pshchelo/heat,dragorosson/heat,maestro-hybrid-cloud/heat,NeCTAR-RC/heat,cryptickp/heat,NeCTAR-RC/heat,jasondunsmore/heat,ntt-sic/heat,redhat-openstack/heat,gonzolino/heat,pratikmallya/heat,cryptickp/heat,dims/heat,pshchelo/heat,redhat-openstack/heat,steveb/heat,steveb/heat,cwolferh/heat-scratch,srznew/heat,gonzolino/heat,cwolferh/heat-scratch,openstack/heat,rdo-management/heat,miguelgrinberg/heat,takeshineshiro/heat,openstack/heat,dims/heat,noironetworks/heat