Updated use of iter_nodes for handoff logging
Updated use of iter_nodes for handoff logging

Change-Id: I95a750613b01bdc4d64444d7e7fae8190760d697

rackerlabs/swift,psachin/swift,openstack/swift,Mirantis/swift-encrypt,takeshineshiro/swift,JioCloud/swift,larsbutler/swift,hbhdytf/mac2,JioCloud/swift,hbhdytf/mac2,matthewoliver/swift,clayg/swift,eatbyte/Swift,prashanthpai/swift,tsli/test,clayg/swift,nadeemsyed/swift,williamthegrey/swift,citrix-openstack/build-swift,swiftstack/swift,aerwin3/swift,bkolli/swift,iostackproject/IO-Bandwidth-Differentiation,tipabu/swift,Seagate/swift,bradleypj823/swift,citrix-openstack-build/swift,matthewoliver/swift,dpgoetz/swift,smerritt/swift,bouncestorage/swift,IPVL/swift-kilo,matthewoliver/swift,Mirantis/swift-encrypt,tipabu/swift,mjzmjz/swift,clayg/swift,psachin/swift,citrix-openstack-build/swift,openstack/swift,NeCTAR-RC/swift,Akanoa/swift,openstack/swift,tipabu/swift,levythu/swift,hurricanerix/swift,zackmdavis/swift,Triv90/SwiftUml,clayg/swift,swiftstack/swift,levythu/swift,dencaval/swift,shibaniahegde/OpenStak_swift,psachin/swift,revoer/keystone-8.0.0,iostackproject/IO-Bandwidth-Differentiation,larsbutler/swift,nadeemsyed/swift,hbhdytf/mac2,mjzmjz/swift,xiaoguoai/ec-dev-swift,IPVL/swift-kilo,daasbank/swift,nadeemsyed/swift,psachin/swift,notmyname/swift,hurricanerix/swift,AfonsoFGarcia/swift,redbo/swift,smerritt/swift,hbhdytf/mac2,redbo/swift,thiagodasilva/swift,zaitcev/swift-lfs,tsli/test,gold3bear/swift,AfonsoFGarcia/swift,notmyname/swift,dencaval/swift,daasbank/swift,zackmdavis/swift,mjwtom/swift,aerwin3/swift,hbhdytf/mac,Khushbu27/Tutorial,Khushbu27/Tutorial,prashanthpai/swift,gold3bear/swift,revoer/keystone-8.0.0,matthewoliver/swift,smerritt/swift,maginatics/swift,dpgoetz/swift,hurricanerix/swift,notmyname/swift,Em-Pan/swift,orion/swift-config,notmyname/swift,redhat-openstack/swift,hurricanerix/swift,anishnarang/gswift,xiaoguoai/ec-dev-swift,citrix-openstack/build-swift,tipabu/swift,NewpTone/StackLab-swift,orion/swift-config,bradleypj823/swift,Em-Pan/swift,sarvesh-ranjan/swift,takeshineshiro/swift,wenhuizhang/swift,Akanoa/swift,NewpTone/StackLab-swift,rackerlabs/swift,openstack/swift,scality/ScalitySproxydSwift,sarvesh-ranjan/swift,bouncestorage/swift,bkolli/swift,NeCTAR-RC/swift,zaitcev/swift-lfs,VictorLowther/swift,VictorLowther/swift,williamthegrey/swift,Triv90/SwiftUml,Seagate/swift,maginatics/swift,nadeemsyed/swift,swiftstack/swift,redhat-openstack/swift,scality/ScalitySproxydSwift,thiagodasilva/swift,eatbyte/Swift,wenhuizhang/swift,hbhdytf/mac,mjwtom/swift,anishnarang/gswift,shibaniahegde/OpenStak_swift,smerritt/swift