Update log message when remove pci device
Update log message when remove pci device

When remove pci device, the log message does not include exception
message even the exception has been caught.

This patch was put the exception to the warning message.

Change-Id: I3c604a3c80b501dedf1f0dd9fab9f399ae73f481

joker946/nova,dims/nova,viggates/nova,klmitch/nova,takeshineshiro/nova,affo/nova,Tehsmash/nova,belmiromoreira/nova,tanglei528/nova,BeyondTheClouds/nova,shahar-stratoscale/nova,scripnichenko/nova,BeyondTheClouds/nova,jianghuaw/nova,rahulunair/nova,shail2810/nova,devoid/nova,zaina/nova,bgxavier/nova,ted-gould/nova,bigswitch/nova,klmitch/nova,ruslanloman/nova,JioCloud/nova_test_latest,eharney/nova,alexandrucoman/vbox-nova-driver,rajalokan/nova,NeCTAR-RC/nova,JioCloud/nova,Yusuke1987/openstack_template,eharney/nova,berrange/nova,raildo/nova,felixma/nova,mgagne/nova,apporc/nova,leilihh/nova,kimjaejoong/nova,rrader/nova-docker-plugin,Metaswitch/calico-nova,scripnichenko/nova,yatinkumbhare/openstack-nova,Juniper/nova,gooddata/openstack-nova,thomasem/nova,varunarya10/nova_test_latest,viggates/nova,dims/nova,takeshineshiro/nova,hanlind/nova,dawnpower/nova,angdraug/nova,berrange/nova,silenceli/nova,whitepages/nova,gooddata/openstack-nova,apporc/nova,LoHChina/nova,raildo/nova,barnsnake351/nova,j-carpentier/nova,alvarolopez/nova,silenceli/nova,rahulunair/nova,zzicewind/nova,ewindisch/nova,tangfeixiong/nova,jianghuaw/nova,tanglei528/nova,cyx1231st/nova,zhimin711/nova,whitepages/nova,sebrandon1/nova,badock/nova,cernops/nova,mahak/nova,hanlind/nova,cloudbase/nova,sebrandon1/nova,Stavitsky/nova,shahar-stratoscale/nova,cernops/nova,tealover/nova,devoid/nova,affo/nova,openstack/nova,cernops/nova,noironetworks/nova,mikalstill/nova,alvarolopez/nova,rajalokan/nova,blueboxgroup/nova,joker946/nova,Tehsmash/nova,klmitch/nova,cloudbase/nova,petrutlucian94/nova,Juniper/nova,alaski/nova,shail2810/nova,openstack/nova,thomasem/nova,phenoxim/nova,spring-week-topos/nova-week,tudorvio/nova,luogangyi/bcec-nova,zzicewind/nova,akash1808/nova_test_latest,jianghuaw/nova,MountainWei/nova,eonpatapon/nova,maelnor/nova,redhat-openstack/nova,eonpatapon/nova,bigswitch/nova,CCI-MOC/nova,vmturbo/nova,nikesh-mahalka/nova,devendermishrajio/nova_test_latest,Juniper/nova,MountainWei/nova,virtualopensystems/nova,Juniper/nova,akash1808/nova_test_latest,OpenAcademy-OpenStack/nova-scheduler,fnordahl/nova,adelina-t/nova,luogangyi/bcec-nova,badock/nova,petrutlucian94/nova,mmnelemane/nova,edulramirez/nova,j-carpentier/nova,CloudServer/nova,tangfeixiong/nova,hanlind/nova,cloudbase/nova,vladikr/nova_drafts,rajalokan/nova,saleemjaveds/https-github.com-openstack-nova,ted-gould/nova,tianweizhang/nova,mikalstill/nova,CloudServer/nova,rahulunair/nova,double12gzh/nova,TwinkleChawla/nova,petrutlucian94/nova_dev,mandeepdhami/nova,CEG-FYP-OpenStack/scheduler,BeyondTheClouds/nova,phenoxim/nova,nikesh-mahalka/nova,jianghuaw/nova,edulramirez/nova,yosshy/nova,projectcalico/calico-nova,devendermishrajio/nova,blueboxgroup/nova,Francis-Liu/animated-broccoli,gooddata/openstack-nova,watonyweng/nova,devendermishrajio/nova_test_latest,iuliat/nova,leilihh/novaha,bgxavier/nova,dawnpower/nova,yosshy/nova,leilihh/novaha,rajalokan/nova,mgagne/nova,cloudbase/nova-virtualbox,felixma/nova,cloudbase/nova-virtualbox,Francis-Liu/animated-broccoli,virtualopensystems/nova,tianweizhang/nova,Yusuke1987/openstack_template,maelnor/nova,vmturbo/nova,openstack/nova,NeCTAR-RC/nova,yatinkumbhare/openstack-nova,JianyuWang/nova,zhimin711/nova,belmiromoreira/nova,saleemjaveds/https-github.com-openstack-nova,kimjaejoong/nova,leilihh/nova,noironetworks/nova,akash1808/nova,mahak/nova,CEG-FYP-OpenStack/scheduler,alexandrucoman/vbox-nova-driver,fnordahl/nova,petrutlucian94/nova_dev,CiscoSystems/nova,jeffrey4l/nova,JioCloud/nova_test_latest,barnsnake351/nova,ruslanloman/nova,varunarya10/nova_test_latest,zaina/nova,klmitch/nova,LoHChina/nova,isyippee/nova,isyippee/nova,iuliat/nova,eayunstack/nova,redhat-openstack/nova,akash1808/nova,mikalstill/nova,tudorvio/nova,vladikr/nova_drafts,alaski/nova,Stavitsky/nova,double12gzh/nova,cyx1231st/nova,jeffrey4l/nova,JioCloud/nova,CCI-MOC/nova,spring-week-topos/nova-week,gooddata/openstack-nova,adelina-t/nova,ewindisch/nova,vmturbo/nova,orbitfp7/nova,vmturbo/nova,devendermishrajio/nova,tealover/nova,mahak/nova,JianyuWang/nova,rrader/nova-docker-plugin,eayunstack/nova,projectcalico/calico-nova,sebrandon1/nova,orbitfp7/nova,watonyweng/nova,angdraug/nova,CiscoSystems/nova,mmnelemane/nova,Metaswitch/calico-nova,mandeepdhami/nova,TwinkleChawla/nova,OpenAcademy-OpenStack/nova-scheduler