error_node = vlib_node_get_runtime (vm, mpls_output_node.index);
from = vlib_frame_vector_args (from_frame);
n_left_from = from_frame->n_vectors;
error_node = vlib_node_get_runtime (vm, mpls_output_node.index);
from = vlib_frame_vector_args (from_frame);
n_left_from = from_frame->n_vectors;