In version 2.3.8 it copies and restore the ibd file correctly so marking as invalid for 2.3 series.
170705 03:47:56 [01] Copying /data/tmp/test/txr.ibd to /root/backup/test/txr.ibd 170705 03:47:56 [01] ...done
170705 03:49:34 [01] Copying ./test/txr.ibd to /data/tmp/test/txr.ibd 170705 03:49:34 [01] ...done
In version 2.3.8 it copies and restore the ibd file correctly so marking as invalid for 2.3 series.
170705 03:47:56 [01] Copying /data/tmp/ test/txr. ibd to /root/backup/ test/txr. ibd
170705 03:47:56 [01] ...done
170705 03:49:34 [01] Copying ./test/txr.ibd to /data/tmp/ test/txr. ibd
170705 03:49:34 [01] ...done