Adds missing joinedload for vif loading.
Adds missing joinedload for vif loading.

 * fixes bug 905398

Change-Id: I76ffea1437459942f5156d199592931afed4ae1b

hanlind/nova,mandeepdhami/nova,silenceli/nova,saleemjaveds/https-github.com-openstack-nova,adelina-t/nova,JioCloud/nova,j-carpentier/nova,sileht/deb-openstack-nova,imsplitbit/nova,NewpTone/stacklab-nova,takeshineshiro/nova,sebrandon1/nova,noironetworks/nova,KarimAllah/nova,barnsnake351/nova,Francis-Liu/animated-broccoli,cloudbase/nova,eonpatapon/nova,nikesh-mahalka/nova,jianghuaw/nova,sileht/deb-openstack-nova,mmnelemane/nova,cloudbau/nova,BeyondTheClouds/nova,sebrandon1/nova,sridevikoushik31/nova,cyx1231st/nova,alexandrucoman/vbox-nova-driver,tudorvio/nova,noironetworks/nova,OpenAcademy-OpenStack/nova-scheduler,spring-week-topos/nova-week,Yuriy-Leonov/nova,saleemjaveds/https-github.com-openstack-nova,yatinkumbhare/openstack-nova,viggates/nova,scripnichenko/nova,plumgrid/plumgrid-nova,aristanetworks/arista-ovs-nova,vladikr/nova_drafts,DirectXMan12/nova-hacking,eayunstack/nova,vmturbo/nova,SUSE-Cloud/nova,viggates/nova,openstack/nova,sridevikoushik31/nova,DirectXMan12/nova-hacking,apporc/nova,edulramirez/nova,orbitfp7/nova,russellb/nova,sridevikoushik31/openstack,rahulunair/nova,tianweizhang/nova,bigswitch/nova,shail2810/nova,usc-isi/nova,cloudbase/nova-virtualbox,Yusuke1987/openstack_template,raildo/nova,jianghuaw/nova,shahar-stratoscale/nova,angdraug/nova,Francis-Liu/animated-broccoli,OpenAcademy-OpenStack/nova-scheduler,alaski/nova,cloudbau/nova,ted-gould/nova,dims/nova,raildo/nova,sacharya/nova,JioCloud/nova_test_latest,ntt-sic/nova,maoy/zknova,rickerc/nova_audit,projectcalico/calico-nova,rahulunair/nova,leilihh/nova,isyippee/nova,CloudServer/nova,jeffrey4l/nova,tangfeixiong/nova,akash1808/nova_test_latest,CCI-MOC/nova,CloudServer/nova,eayunstack/nova,spring-week-topos/nova-week,belmiromoreira/nova,kimjaejoong/nova,zaina/nova,klmitch/nova,badock/nova,leilihh/novaha,Triv90/Nova,alaski/nova,tianweizhang/nova,maoy/zknova,dstroppa/openstack-smartos-nova-grizzly,gooddata/openstack-nova,bclau/nova,CCI-MOC/nova,cernops/nova,affo/nova,shootstar/novatest,zhimin711/nova,CiscoSystems/nova,qwefi/nova,watonyweng/nova,sileht/deb-openstack-nova,sridevikoushik31/nova,shootstar/novatest,dstroppa/openstack-smartos-nova-grizzly,imsplitbit/nova,gspilio/nova,mikalstill/nova,virtualopensystems/nova,klmitch/nova,iuliat/nova,felixma/nova,SUSE-Cloud/nova,bigswitch/nova,fnordahl/nova,bclau/nova,akash1808/nova_test_latest,aristanetworks/arista-ovs-nova,NoBodyCam/TftpPxeBootBareMetal,rahulunair/nova,josephsuh/extra-specs,vmturbo/nova,iuliat/nova,CEG-FYP-OpenStack/scheduler,MountainWei/nova,Juniper/nova,tanglei528/nova,russellb/nova,dawnpower/nova,alvarolopez/nova,CEG-FYP-OpenStack/scheduler,takeshineshiro/nova,Yuriy-Leonov/nova,fajoy/nova,psiwczak/openstack,cloudbase/nova,phenoxim/nova,Stavitsky/nova,virtualopensystems/nova,vmturbo/nova,Tehsmash/nova,citrix-openstack-build/nova,mmnelemane/nova,savi-dev/nova,hanlind/nova,plumgrid/plumgrid-nova,LoHChina/nova,zzicewind/nova,usc-isi/extra-specs,cernops/nova,affo/nova,yrobla/nova,shahar-stratoscale/nova,alexandrucoman/vbox-nova-driver,JianyuWang/nova,savi-dev/nova,varunarya10/nova_test_latest,Juniper/nova,klmitch/nova,devendermishrajio/nova,usc-isi/nova,vmturbo/nova,Stavitsky/nova,shail2810/nova,badock/nova,BeyondTheClouds/nova,isyippee/nova,Yusuke1987/openstack_template,maelnor/nova,leilihh/nova,dstroppa/openstack-smartos-nova-grizzly,mgagne/nova,cyx1231st/nova,Juniper/nova,NewpTone/stacklab-nova,bgxavier/nova,double12gzh/nova,devendermishrajio/nova_test_latest,eonpatapon/nova,vladikr/nova_drafts,watonyweng/nova,orbitfp7/nova,luogangyi/bcec-nova,Brocade-OpenSource/OpenStack-DNRM-Nova,ted-gould/nova,petrutlucian94/nova_dev,houshengbo/nova_vmware_compute_driver,rajalokan/nova,ntt-sic/nova,thomasem/nova,mandeepdhami/nova,devoid/nova,mikalstill/nova,nikesh-mahalka/nova,cloudbase/nova,LoHChina/nova,houshengbo/nova_vmware_compute_driver,ewindisch/nova,sridevikoushik31/openstack,zzicewind/nova,yatinkumbhare/openstack-nova,yosshy/nova,tealover/nova,sebrandon1/nova,eneabio/nova,varunarya10/nova_test_latest,TwinkleChawla/nova,eharney/nova,silenceli/nova,belmiromoreira/nova,devendermishrajio/nova,rrader/nova-docker-plugin,sridevikoushik31/openstack,scripnichenko/nova,NewpTone/stacklab-nova,luogangyi/bcec-nova,TieWei/nova,fnordahl/nova,bgxavier/nova,dawnpower/nova,citrix-openstack-build/nova,mikalstill/nova,rajalokan/nova,rajalokan/nova,gooddata/openstack-nova,alvarolopez/nova,joker946/nova,JioCloud/nova,dims/nova,felixma/nova,paulmathews/nova,KarimAllah/nova,Metaswitch/calico-nova,berrange/nova,adelina-t/nova,JioCloud/nova_test_latest,TieWei/nova,MountainWei/nova,yrobla/nova,redhat-openstack/nova,eharney/nova,tudorvio/nova,usc-isi/extra-specs,NeCTAR-RC/nova,petrutlucian94/nova,JianyuWang/nova,NoBodyCam/TftpPxeBootBareMetal,projectcalico/calico-nova,whitepages/nova,josephsuh/extra-specs,rajalokan/nova,blueboxgroup/nova,gooddata/openstack-nova,paulmathews/nova,ruslanloman/nova,berrange/nova,mahak/nova,NeCTAR-RC/nova,qwefi/nova,fajoy/nova,mgagne/nova,sacharya/nova,apporc/nova,Brocade-OpenSource/OpenStack-DNRM-Nova,aristanetworks/arista-ovs-nova,maoy/zknova,blueboxgroup/nova,zaina/nova,DirectXMan12/nova-hacking,petrutlucian94/nova,mahak/nova,houshengbo/nova_vmware_compute_driver,thomasem/nova,cernops/nova,psiwczak/openstack,jianghuaw/nova,TwinkleChawla/nova,eneabio/nova,tealover/nova,gooddata/openstack-nova,paulmathews/nova,maheshp/novatest,gspilio/nova,usc-isi/nova,maheshp/novatest,BeyondTheClouds/nova,Metaswitch/calico-nova,maheshp/novatest,ewindisch/nova,leilihh/novaha,openstack/nova,psiwczak/openstack,redhat-openstack/nova,hanlind/nova,tangfeixiong/nova,Triv90/Nova,zhimin711/nova,petrutlucian94/nova_dev,joker946/nova,NoBodyCam/TftpPxeBootBareMetal,yosshy/nova,eneabio/nova,russellb/nova,akash1808/nova,jianghuaw/nova,maelnor/nova,angdraug/nova,josephsuh/extra-specs,mahak/nova,akash1808/nova,fajoy/nova,ruslanloman/nova,double12gzh/nova,phenoxim/nova,klmitch/nova,cloudbase/nova-virtualbox,j-carpentier/nova,KarimAllah/nova,jeffrey4l/nova,usc-isi/extra-specs,tanglei528/nova,kimjaejoong/nova,Triv90/Nova,gspilio/nova,openstack/nova,yrobla/nova,rickerc/nova_audit,whitepages/nova,barnsnake351/nova,rrader/nova-docker-plugin,Tehsmash/nova,savi-dev/nova,CiscoSystems/nova,edulramirez/nova,devoid/nova,devendermishrajio/nova_test_latest,Juniper/nova,sridevikoushik31/nova