Fix multiple NAT translation with interface address as external
Fix multiple NAT translation with interface address as external

Change-Id: Idd65c6d0489bf83984a2c34d22d3f94000fc7018
Signed-off-by: Alexander Chernavin <005bca4307cd9b117df45182181fee477edfa768@netgate.com>

FDio/vpp,chrisy/vpp,chrisy/vpp,FDio/vpp,FDio/vpp,chrisy/vpp,vpp-dev/vpp,vpp-dev/vpp,FDio/vpp,chrisy/vpp,chrisy/vpp,vpp-dev/vpp,FDio/vpp,vpp-dev/vpp,vpp-dev/vpp,chrisy/vpp,FDio/vpp,vpp-dev/vpp,FDio/vpp,FDio/vpp,vpp-dev/vpp,chrisy/vpp,chrisy/vpp