VMware: improve exception logging in driver.py
VMware: improve exception logging in driver.py

Change-Id: Id46860d269462673bc935653b2ce1ea1036db002

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