Fix CLI for adding negative LISP fwd entries
Fix CLI for adding negative LISP fwd entries

Change-Id: I9ee7b6ea2def16715f717f8483c86e0157628946
Signed-off-by: Florin Coras <c9715e5cdf0718c2e9b10678757dfb027875eba2@cisco.com>

FDio/vpp,GabrielGanne/vpp-flowtable,chrisy/vpp,vpp-dev/vpp,chrisy/vpp,GabrielGanne/vpp-flowtable,milanlenco/vpp,FDio/vpp,FDio/vpp,vpp-dev/vpp,chrisy/vpp,milanlenco/vpp,chrisy/vpp,FDio/vpp,chrisy/vpp,chrisy/vpp,chrisy/vpp,vpp-dev/vpp,FDio/vpp,GabrielGanne/vpp-flowtable,milanlenco/vpp,FDio/vpp,vpp-dev/vpp,GabrielGanne/vpp-flowtable,vpp-dev/vpp,GabrielGanne/vpp-flowtable,milanlenco/vpp,chrisy/vpp,FDio/vpp,milanlenco/vpp,milanlenco/vpp,vpp-dev/vpp,GabrielGanne/vpp-flowtable,FDio/vpp,vpp-dev/vpp