-vlib_node_registration_t snat_hairpin_dst_node;
-vlib_node_registration_t snat_hairpin_src_node;
-vlib_node_registration_t nat44_hairpinning_node;
-vlib_node_registration_t nat44_ed_hairpin_dst_node;
-vlib_node_registration_t nat44_ed_hairpin_src_node;
-vlib_node_registration_t nat44_ed_hairpinning_node;
-