if (e0->action == CLASSIFY_ACTION_SET_IP4_FIB_INDEX ||
e0->action == CLASSIFY_ACTION_SET_IP6_FIB_INDEX)
vnet_buffer (b0)->sw_if_index[VLIB_TX] = e0->metadata;
if (e0->action == CLASSIFY_ACTION_SET_IP4_FIB_INDEX ||
e0->action == CLASSIFY_ACTION_SET_IP6_FIB_INDEX)
vnet_buffer (b0)->sw_if_index[VLIB_TX] = e0->metadata;