rw->sw_if_index = tx_sw_if_index;
rw->next_index = vlib_node_add_next (vnm->vlib_main, rewrite_node_index,
post_rewrite_node_index);
rw->sw_if_index = tx_sw_if_index;
rw->next_index = vlib_node_add_next (vnm->vlib_main, rewrite_node_index,
post_rewrite_node_index);