vlib_validate_buffer_enqueue_x1 (vm, node, next, to_next, n_left_to_next,
bi, next_index);
vlib_put_next_frame (vm, node, next, n_left_to_next);
vlib_validate_buffer_enqueue_x1 (vm, node, next, to_next, n_left_to_next,
bi, next_index);
vlib_put_next_frame (vm, node, next, n_left_to_next);