Update db entry before upate the DHCP host file.
Update db entry before upate the DHCP host file.

Update fixed IP db entry before upated the DHCP host file.

Fixes LP Bug #1078718

Change-Id: I75504acfc1c571219938d25a7c3b1a452d3f1cb9

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