Change to a more generic error and update documentation.
Change to a more generic error and update documentation.

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