Restore incremental image failed (MEB 4.0.3)

[sys aim]

Hello,
i test the image incremental restore, but i have always an error about LSN.

What i do :

1) Backup image "full" :
mysqlbackup --backup-dir=/data/mysqldump --backup-image=full.bki backup-to-image

ok :
-------------------------------------------------------------
Parameters Summary
-------------------------------------------------------------
Start LSN : 86263200768
End LSN : 86497355612
-------------------------------------------------------------


2) Backup image "incrémental" :
mysqlbackup --incremental --incremental-base=history:last_backup --backup-image=/var/lib/mysqldump/incr_7am.mbi --backup-dir=/var/lib/mysqldump/tmp backup-to-image

ok :
-------------------------------------------------------------
Parameters Summary
-------------------------------------------------------------
Start LSN : 86497355613
End LSN : 86519012050
-------------------------------------------------------------

3) Stop MySQL and remove files from datadir
systemctl stop mysqld
rm -rf /var/lib/mysql/


4) Restore Backup Full :

mysqlbackup --datadir=/var/lib/mysql --backup-image=/var/lib/mysqldump/full.bki --backup-dir=/var/lib/mysqldump copy-back-and-apply-log


ok :
160822 15:17:37 mysqlbackup: INFO: We were able to parse ibbackup_logfile up to
lsn 86497355612.
160822 15:17:37 mysqlbackup: INFO: The first data file is '/var/lib/mysql/ibdata1'
and the new created log files are at '/var/lib/mysql'
mysqlbackup: INFO: MySQL server version is '5.7.12'
mysqlbackup: INFO: Restoring ...5.7.12 version
160822 15:17:37 mysqlbackup: INFO: Apply-log operation completed successfully.
160822 15:17:37 mysqlbackup: INFO: Full Backup has been restored successfully.

mysqlbackup completed OK! with 2 warnings


5) Restore Backup incremental :
mysqlbackup --datadir=/var/lib/mysql --backup-image=/var/lib/mysqldump/incr_7am.mbi --backup_dir=/var/lib/mysqldump/ --incremental copy-back-and-apply-log


==> ERROR :
160822 15:18:49 mysqlbackup: INFO: ibbackup_logfile's creation parameters:
start lsn 86263200768, end lsn 86497355612,
start checkpoint 86263200945.
mysqlbackup: INFO: InnoDB: Doing recovery: scanned up to log sequence number 86263200768.
mysqlbackup: INFO: InnoDB: Starting an apply batch of log records to the database...
.
InnoDB: Progress in percent: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99
mysqlbackup: INFO: InnoDB: Setting log file size to 2147483648.
mysqlbackup: INFO: InnoDB: Progress in MB:.
100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000
mysqlbackup: INFO: InnoDB: Setting log file size to 2147483648.
mysqlbackup: INFO: InnoDB: Progress in MB:.
100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000
mysqlbackup: ERROR: We were only able to scan ibbackup_logfile up to
lsn 86263200768, but the log file end is at lsn 86497355612!
The backup prepared for recovery may be corrupt!


Thank you for your help
Thierry