IP allocation starts from reverse
IP allocation starts from reverse

After api server is restarted, the IP allocated
to a port starts from the reverse direction.

Change-Id: Ic16894e89aafb0d4fced2e03201e3875d7f1510a
Closes-bug: #1336722

varunarya10/contrail-controller,nischalsheth/contrail-controller,codilime/contrail-controller,Juniper/contrail-dev-controller,reiaaoyama/contrail-controller,rombie/contrail-controller,numansiddique/contrail-controller,vmahuli/contrail-controller,vmahuli/contrail-controller,hthompson6/contrail-controller,hthompson6/contrail-controller,Juniper/contrail-dev-controller,reiaaoyama/contrail-controller,sajuptpm/contrail-controller,tcpcloud/contrail-controller,cloudwatt/contrail-controller,eonpatapon/contrail-controller,Juniper/contrail-dev-controller,sajuptpm/contrail-controller,nischalsheth/contrail-controller,tcpcloud/contrail-controller,eonpatapon/contrail-controller,facetothefate/contrail-controller,facetothefate/contrail-controller,DreamLab/contrail-controller,hthompson6/contrail-controller,eonpatapon/contrail-controller,varunarya10/contrail-controller,tcpcloud/contrail-controller,eonpatapon/contrail-controller,Juniper/contrail-dev-controller,cloudwatt/contrail-controller,vpramo/contrail-controller,nischalsheth/contrail-controller,codilime/contrail-controller,rombie/contrail-controller,nischalsheth/contrail-controller,vmahuli/contrail-controller,varunarya10/contrail-controller,tcpcloud/contrail-controller,numansiddique/contrail-controller,srajag/contrail-controller,rombie/contrail-controller,eonpatapon/contrail-controller,nischalsheth/contrail-controller,facetothefate/contrail-controller,rombie/contrail-controller,srajag/contrail-controller,codilime/contrail-controller,codilime/contrail-controller,facetothefate/contrail-controller,sajuptpm/contrail-controller,srajag/contrail-controller,cloudwatt/contrail-controller,codilime/contrail-controller,reiaaoyama/contrail-controller,varunarya10/contrail-controller,DreamLab/contrail-controller,eonpatapon/contrail-controller,DreamLab/contrail-controller,cloudwatt/contrail-controller,hthompson6/contrail-controller,reiaaoyama/contrail-controller,sajuptpm/contrail-controller,DreamLab/contrail-controller,srajag/contrail-controller,rombie/contrail-controller,vmahuli/contrail-controller,numansiddique/contrail-controller,srajag/contrail-controller,Juniper/contrail-dev-controller,tcpcloud/contrail-controller,nischalsheth/contrail-controller,vpramo/contrail-controller,vmahuli/contrail-controller,sajuptpm/contrail-controller,varunarya10/contrail-controller,vpramo/contrail-controller,vpramo/contrail-controller,hthompson6/contrail-controller,nischalsheth/contrail-controller,numansiddique/contrail-controller,codilime/contrail-controller,nischalsheth/contrail-controller,eonpatapon/contrail-controller,DreamLab/contrail-controller,sajuptpm/contrail-controller,facetothefate/contrail-controller,rombie/contrail-controller,rombie/contrail-controller,tcpcloud/contrail-controller,cloudwatt/contrail-controller,numansiddique/contrail-controller,reiaaoyama/contrail-controller,vpramo/contrail-controller