jsonw_name(json_wtr, "flags");
        jsonw_printf(json_wtr, "%#x", info->map_flags);
+
+       print_dev_json(info->ifindex, info->netns_dev, info->netns_ino);
+
        jsonw_uint_field(json_wtr, "bytes_key", info->key_size);
        jsonw_uint_field(json_wtr, "bytes_value", info->value_size);
        jsonw_uint_field(json_wtr, "max_entries", info->max_entries);
        if (*info->name)
                printf("name %s  ", info->name);
 
-       printf("flags 0x%x\n", info->map_flags);
+       printf("flags 0x%x", info->map_flags);
+       print_dev_plain(info->ifindex, info->netns_dev, info->netns_ino);
+       printf("\n");
        printf("\tkey %uB  value %uB  max_entries %u",
               info->key_size, info->value_size, info->max_entries);