-const interface::type_t interface::type_t::TAP(7, "TAP");
-const interface::type_t interface::type_t::TAPV2(8, "TAPV2");
-const interface::type_t interface::type_t::VHOST(9, "VHOST");
-const interface::type_t interface::type_t::BOND(10, "Bond");
+const interface::type_t interface::type_t::TAPV2(7, "TAPV2");
+const interface::type_t interface::type_t::VHOST(8, "VHOST");
+const interface::type_t interface::type_t::BOND(9, "Bond");
+const interface::type_t interface::type_t::PIPE(10, "Pipe");
+const interface::type_t interface::type_t::PIPE_END(11, "Pipe-end");