Add missing fallback chain for ipv6.
Add missing fallback chain for ipv6.
alvarolopez/nova,tudorvio/nova,devoid/nova,joker946/nova,Juniper/nova,aristanetworks/arista-ovs-nova,ntt-sic/nova,leilihh/novaha,mahak/nova,eneabio/nova,sebrandon1/nova,gspilio/nova,nikesh-mahalka/nova,rajalokan/nova,vmturbo/nova,JianyuWang/nova,maoy/zknova,josephsuh/extra-specs,JioCloud/nova_test_latest,cloudbase/nova,CiscoSystems/nova,adelina-t/nova,phenoxim/nova,eayunstack/nova,mandeepdhami/nova,leilihh/novaha,shahar-stratoscale/nova,Tehsmash/nova,yrobla/nova,gspilio/nova,NeCTAR-RC/nova,sridevikoushik31/nova,kimjaejoong/nova,affo/nova,cloudbau/nova,openstack/nova,hanlind/nova,dstroppa/openstack-smartos-nova-grizzly,redhat-openstack/nova,dawnpower/nova,felixma/nova,JioCloud/nova,iuliat/nova,Francis-Liu/animated-broccoli,joker946/nova,yosshy/nova,Yuriy-Leonov/nova,devoid/nova,jianghuaw/nova,sebrandon1/nova,mandeepdhami/nova,takeshineshiro/nova,ted-gould/nova,cernops/nova,saleemjaveds/https-github.com-openstack-nova,mikalstill/nova,DirectXMan12/nova-hacking,sridevikoushik31/nova,petrutlucian94/nova_dev,paulmathews/nova,tanglei528/nova,yrobla/nova,josephsuh/extra-specs,orbitfp7/nova,akash1808/nova,hanlind/nova,maheshp/novatest,aristanetworks/arista-ovs-nova,jianghuaw/nova,NoBodyCam/TftpPxeBootBareMetal,sridevikoushik31/openstack,mahak/nova,imsplitbit/nova,mgagne/nova,maheshp/novatest,tudorvio/nova,Brocade-OpenSource/OpenStack-DNRM-Nova,fnordahl/nova,psiwczak/openstack,maelnor/nova,devendermishrajio/nova,rrader/nova-docker-plugin,qwefi/nova,TieWei/nova,scripnichenko/nova,barnsnake351/nova,spring-week-topos/nova-week,dstroppa/openstack-smartos-nova-grizzly,rajalokan/nova,salv-orlando/MyRepo,spring-week-topos/nova-week,zzicewind/nova,jeffrey4l/nova,KarimAllah/nova,jianghuaw/nova,phenoxim/nova,tealover/nova,Metaswitch/calico-nova,sridevikoushik31/nova,nikesh-mahalka/nova,JioCloud/nova_test_latest,projectcalico/calico-nova,cloudbase/nova,ruslanloman/nova,CiscoSystems/nova,fajoy/nova,edulramirez/nova,varunarya10/nova_test_latest,rickerc/nova_audit,yatinkumbhare/openstack-nova,NewpTone/stacklab-nova,petrutlucian94/nova_dev,sridevikoushik31/openstack,akash1808/nova_test_latest,eneabio/nova,thomasem/nova,houshengbo/nova_vmware_compute_driver,takeshineshiro/nova,rickerc/nova_audit,luogangyi/bcec-nova,bigswitch/nova,eharney/nova,tangfeixiong/nova,superstack/nova,rrader/nova-docker-plugin,ewindisch/nova,raildo/nova,vmturbo/nova,petrutlucian94/nova,OpenAcademy-OpenStack/nova-scheduler,MountainWei/nova,JioCloud/nova,sacharya/nova,barnsnake351/nova,rahulunair/nova,rajalokan/nova,OpenAcademy-OpenStack/nova-scheduler,CloudServer/nova,rajalokan/nova,plumgrid/plumgrid-nova,NewpTone/stacklab-nova,Yusuke1987/openstack_template,mahak/nova,saleemjaveds/https-github.com-openstack-nova,LoHChina/nova,salv-orlando/MyRepo,mmnelemane/nova,ewindisch/nova,CCI-MOC/nova,sridevikoushik31/openstack,usc-isi/extra-specs,gooddata/openstack-nova,maheshp/novatest,gooddata/openstack-nova,BeyondTheClouds/nova,Francis-Liu/animated-broccoli,paulmathews/nova,alvarolopez/nova,apporc/nova,salv-orlando/MyRepo,j-carpentier/nova,shootstar/novatest,angdraug/nova,jeffrey4l/nova,badock/nova,ntt-sic/nova,projectcalico/calico-nova,bgxavier/nova,double12gzh/nova,cloudbase/nova-virtualbox,gspilio/nova,tanglei528/nova,badock/nova,berrange/nova,openstack/nova,gooddata/openstack-nova,bgxavier/nova,Juniper/nova,noironetworks/nova,KarimAllah/nova,bclau/nova,maelnor/nova,JianyuWang/nova,qwefi/nova,shail2810/nova,fajoy/nova,Metaswitch/calico-nova,viggates/nova,mikalstill/nova,sacharya/nova,belmiromoreira/nova,KarimAllah/nova,blueboxgroup/nova,superstack/nova,rahulunair/nova,usc-isi/nova,double12gzh/nova,affo/nova,raildo/nova,yosshy/nova,SUSE-Cloud/nova,tianweizhang/nova,petrutlucian94/nova,zaina/nova,vladikr/nova_drafts,openstack/nova,gooddata/openstack-nova,angdraug/nova,devendermishrajio/nova_test_latest,watonyweng/nova,luogangyi/bcec-nova,varunarya10/nova_test_latest,tealover/nova,whitepages/nova,savi-dev/nova,houshengbo/nova_vmware_compute_driver,isyippee/nova,Triv90/Nova,isyippee/nova,citrix-openstack-build/nova,sileht/deb-openstack-nova,ruslanloman/nova,mmnelemane/nova,klmitch/nova,Stavitsky/nova,scripnichenko/nova,NoBodyCam/TftpPxeBootBareMetal,dims/nova,zzicewind/nova,redhat-openstack/nova,edulramirez/nova,silenceli/nova,j-carpentier/nova,ted-gould/nova,russellb/nova,usc-isi/nova,CCI-MOC/nova,maoy/zknova,sebrandon1/nova,cloudbase/nova,Brocade-OpenSource/OpenStack-DNRM-Nova,plumgrid/plumgrid-nova,russellb/nova,NewpTone/stacklab-nova,klmitch/nova,watonyweng/nova,aristanetworks/arista-ovs-nova,whitepages/nova,josephsuh/extra-specs,termie/nova-migration-demo,tianweizhang/nova,termie/pupa,vladikr/nova_drafts,cernops/nova,cyx1231st/nova,usc-isi/extra-specs,dstroppa/openstack-smartos-nova-grizzly,devendermishrajio/nova,superstack/nova,termie/nova-migration-demo,NoBodyCam/TftpPxeBootBareMetal,zhimin711/nova,eneabio/nova,cloudbase/nova-virtualbox,imsplitbit/nova,rahulunair/nova,sridevikoushik31/nova,psiwczak/openstack,viggates/nova,CEG-FYP-OpenStack/scheduler,vmturbo/nova,SUSE-Cloud/nova,NeCTAR-RC/nova,russellb/nova,fnordahl/nova,shootstar/novatest,apporc/nova,akash1808/nova_test_latest,vmturbo/nova,CEG-FYP-OpenStack/scheduler,TwinkleChawla/nova,jianghuaw/nova,Juniper/nova,termie/nova-migration-demo,eayunstack/nova,psiwczak/openstack,cyx1231st/nova,TieWei/nova,LoHChina/nova,bclau/nova,alexandrucoman/vbox-nova-driver,sileht/deb-openstack-nova,Triv90/Nova,cernops/nova,Yusuke1987/openstack_template,MountainWei/nova,tangfeixiong/nova,kimjaejoong/nova,eharney/nova,virtualopensystems/nova,yatinkumbhare/openstack-nova,adelina-t/nova,thomasem/nova,yrobla/nova,shahar-stratoscale/nova,BeyondTheClouds/nova,shail2810/nova,felixma/nova,silenceli/nova,hanlind/nova,sileht/deb-openstack-nova,blueboxgroup/nova,leilihh/nova,DirectXMan12/nova-hacking,zaina/nova,termie/pupa,Yuriy-Leonov/nova,klmitch/nova,eonpatapon/nova,citrix-openstack-build/nova,noironetworks/nova,savi-dev/nova,zhimin711/nova,maoy/zknova,mikalstill/nova,leilihh/nova,Triv90/Nova,virtualopensystems/nova,alaski/nova,klmitch/nova,BeyondTheClouds/nova,alexandrucoman/vbox-nova-driver,orbitfp7/nova,fajoy/nova,Stavitsky/nova,paulmathews/nova,houshengbo/nova_vmware_compute_driver,DirectXMan12/nova-hacking,termie/pupa,iuliat/nova,devendermishrajio/nova_test_latest,cloudbau/nova,eonpatapon/nova,berrange/nova,usc-isi/nova,Juniper/nova,mgagne/nova,usc-isi/extra-specs,alaski/nova,belmiromoreira/nova,bigswitch/nova,CloudServer/nova,savi-dev/nova,dims/nova,Tehsmash/nova,dawnpower/nova,TwinkleChawla/nova,akash1808/nova