make_mpls_union
delete_route(make_mpls_union(l->binding), NULL, FREESO);
if ((so_dest = make_mpls_union(lab->binding)) == NULL)
if ((so_tag = make_mpls_union(lab->label)) == NULL) {
if ((so_tag = make_mpls_union(lab->label)) == NULL) {
union sockunion * make_mpls_union(uint32_t);