Log a certain rare instance termination exception
Log a certain rare instance termination exception

- Clean up logging per Michael Still's comments

Change-Id: I3b7e647dde582dca4644b557bb30251e31644c17

TwinkleChawla/nova,iuliat/nova,yrobla/nova,NeCTAR-RC/nova,aristanetworks/arista-ovs-nova,gooddata/openstack-nova,eonpatapon/nova,savi-dev/nova,fnordahl/nova,hanlind/nova,OpenAcademy-OpenStack/nova-scheduler,gspilio/nova,isyippee/nova,virtualopensystems/nova,cloudbase/nova,devendermishrajio/nova_test_latest,dims/nova,vmturbo/nova,zhimin711/nova,savi-dev/nova,tangfeixiong/nova,shootstar/novatest,Brocade-OpenSource/OpenStack-DNRM-Nova,viggates/nova,openstack/nova,scripnichenko/nova,paulmathews/nova,jeffrey4l/nova,ewindisch/nova,shootstar/novatest,JianyuWang/nova,joker946/nova,TieWei/nova,vladikr/nova_drafts,Yusuke1987/openstack_template,rahulunair/nova,usc-isi/extra-specs,LoHChina/nova,bigswitch/nova,sileht/deb-openstack-nova,mahak/nova,tianweizhang/nova,apporc/nova,cloudbau/nova,DirectXMan12/nova-hacking,NeCTAR-RC/nova,sridevikoushik31/nova,Juniper/nova,CloudServer/nova,sridevikoushik31/nova,maoy/zknova,OpenAcademy-OpenStack/nova-scheduler,yatinkumbhare/openstack-nova,TieWei/nova,ewindisch/nova,devoid/nova,eneabio/nova,felixma/nova,tudorvio/nova,CloudServer/nova,blueboxgroup/nova,sridevikoushik31/openstack,klmitch/nova,dims/nova,angdraug/nova,leilihh/nova,barnsnake351/nova,maelnor/nova,sridevikoushik31/nova,LoHChina/nova,noironetworks/nova,cernops/nova,dstroppa/openstack-smartos-nova-grizzly,citrix-openstack-build/nova,shahar-stratoscale/nova,leilihh/novaha,jianghuaw/nova,whitepages/nova,vladikr/nova_drafts,MountainWei/nova,jianghuaw/nova,zzicewind/nova,noironetworks/nova,tangfeixiong/nova,rajalokan/nova,tealover/nova,houshengbo/nova_vmware_compute_driver,NewpTone/stacklab-nova,devoid/nova,ntt-sic/nova,sileht/deb-openstack-nova,qwefi/nova,tudorvio/nova,takeshineshiro/nova,raildo/nova,NoBodyCam/TftpPxeBootBareMetal,MountainWei/nova,kimjaejoong/nova,sridevikoushik31/openstack,kimjaejoong/nova,luogangyi/bcec-nova,apporc/nova,alexandrucoman/vbox-nova-driver,SUSE-Cloud/nova,tanglei528/nova,adelina-t/nova,ted-gould/nova,rajalokan/nova,shail2810/nova,varunarya10/nova_test_latest,akash1808/nova,rajalokan/nova,cloudbase/nova,klmitch/nova,alaski/nova,j-carpentier/nova,petrutlucian94/nova_dev,leilihh/nova,CEG-FYP-OpenStack/scheduler,badock/nova,sacharya/nova,aristanetworks/arista-ovs-nova,sebrandon1/nova,fnordahl/nova,maheshp/novatest,TwinkleChawla/nova,cloudbase/nova-virtualbox,Francis-Liu/animated-broccoli,devendermishrajio/nova,rrader/nova-docker-plugin,isyippee/nova,phenoxim/nova,psiwczak/openstack,redhat-openstack/nova,fajoy/nova,psiwczak/openstack,qwefi/nova,mmnelemane/nova,usc-isi/nova,yosshy/nova,JioCloud/nova_test_latest,Metaswitch/calico-nova,zhimin711/nova,Yuriy-Leonov/nova,bclau/nova,cyx1231st/nova,thomasem/nova,bigswitch/nova,tanglei528/nova,paulmathews/nova,dawnpower/nova,BeyondTheClouds/nova,savi-dev/nova,BeyondTheClouds/nova,eneabio/nova,Triv90/Nova,alaski/nova,maheshp/novatest,CCI-MOC/nova,edulramirez/nova,mahak/nova,Juniper/nova,cloudbau/nova,leilihh/novaha,sileht/deb-openstack-nova,angdraug/nova,houshengbo/nova_vmware_compute_driver,iuliat/nova,vmturbo/nova,eonpatapon/nova,ntt-sic/nova,silenceli/nova,virtualopensystems/nova,rahulunair/nova,maoy/zknova,petrutlucian94/nova,shahar-stratoscale/nova,orbitfp7/nova,berrange/nova,cloudbase/nova,imsplitbit/nova,ruslanloman/nova,projectcalico/calico-nova,JioCloud/nova_test_latest,imsplitbit/nova,eneabio/nova,Tehsmash/nova,belmiromoreira/nova,petrutlucian94/nova_dev,joker946/nova,viggates/nova,bgxavier/nova,NoBodyCam/TftpPxeBootBareMetal,maelnor/nova,mikalstill/nova,vmturbo/nova,maoy/zknova,CEG-FYP-OpenStack/scheduler,projectcalico/calico-nova,plumgrid/plumgrid-nova,mandeepdhami/nova,alexandrucoman/vbox-nova-driver,blueboxgroup/nova,tianweizhang/nova,spring-week-topos/nova-week,watonyweng/nova,belmiromoreira/nova,NoBodyCam/TftpPxeBootBareMetal,Juniper/nova,affo/nova,openstack/nova,cloudbase/nova-virtualbox,nikesh-mahalka/nova,tealover/nova,dstroppa/openstack-smartos-nova-grizzly,eharney/nova,usc-isi/extra-specs,usc-isi/extra-specs,gooddata/openstack-nova,openstack/nova,scripnichenko/nova,BeyondTheClouds/nova,zzicewind/nova,Metaswitch/calico-nova,jianghuaw/nova,barnsnake351/nova,j-carpentier/nova,phenoxim/nova,nikesh-mahalka/nova,cyx1231st/nova,orbitfp7/nova,aristanetworks/arista-ovs-nova,CiscoSystems/nova,sebrandon1/nova,zaina/nova,varunarya10/nova_test_latest,rickerc/nova_audit,alvarolopez/nova,gooddata/openstack-nova,akash1808/nova_test_latest,sridevikoushik31/openstack,NewpTone/stacklab-nova,double12gzh/nova,vmturbo/nova,DirectXMan12/nova-hacking,berrange/nova,devendermishrajio/nova,yrobla/nova,Stavitsky/nova,NewpTone/stacklab-nova,thomasem/nova,CCI-MOC/nova,SUSE-Cloud/nova,ted-gould/nova,dawnpower/nova,paulmathews/nova,maheshp/novatest,alvarolopez/nova,spring-week-topos/nova-week,mgagne/nova,double12gzh/nova,petrutlucian94/nova,fajoy/nova,jeffrey4l/nova,edulramirez/nova,Brocade-OpenSource/OpenStack-DNRM-Nova,usc-isi/nova,eayunstack/nova,rahulunair/nova,devendermishrajio/nova_test_latest,gspilio/nova,rickerc/nova_audit,mikalstill/nova,rajalokan/nova,rrader/no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