vlib_combined_counter_main_t *cm = &udp_encap_counters;
u32 *from = vlib_frame_vector_args (frame);
u32 n_left_from, n_left_to_next, *to_next, next_index;
- u32 thread_index = vlib_get_thread_index ();
+ u32 thread_index = vm->thread_index;
n_left_from = frame->n_vectors;
next_index = node->cached_next_index;