printf("mismatch on packet #%d (1-based).\n", n);
printf("Packet:\n");
ofp_print_packet(stdout, packet->data, packet->size, packet->size);
+ ovs_hex_dump(stdout, packet->data, packet->size, 0, true);
printf("Expected flow:\n%s\n", exp_s);
printf("Actually extracted flow:\n%s\n", got_s);
printf("\n");