Comment 2 for bug 1646795

[/var/lib/percona-xtradb-cluster/innobackup.backup.log]
161202 10:30:54 innobackupex: Continuing after ibbackup has suspended
161202 10:30:54 innobackupex: Executing LOCK TABLES FOR BACKUP...
161202 10:30:54 innobackupex: Backup tables lock acquired

161202 10:30:54 innobackupex: Starting to backup non-InnoDB tables and files
innobackupex: in subdirectories of '/var/lib/percona-xtradb-cluster'
innobackupex: Backing up files '/var/lib/percona-xtradb-cluster/neutron/*.{frm,isl,MYD,MYI,MAD,MAI,MRG,TRG,TRN,ARM,ARZ,CSM,CSV,opt,par}' (179 files)
>> log scanned up to (9868171)
innobackupex: Backing up files '/var/lib/percona-xtradb-cluster/heat/*.{frm,isl,MYD,MYI,MAD,MAI,MRG,TRG,TRN,ARM,ARZ,CSM,CSV,opt,par}' (17 files)
innobackupex: Backing up files '/var/lib/percona-xtradb-cluster/glance/*.{frm,isl,MYD,MYI,MAD,MAI,MRG,TRG,TRN,ARM,ARZ,CSM,CSV,opt,par}' (21 files)
innobackupex: Backing up file '/var/lib/percona-xtradb-cluster/cinder/db.opt'
innobackupex: Backing up files '/var/lib/percona-xtradb-cluster/performance_schema/*.{frm,isl,MYD,MYI,MAD,MAI,MRG,TRG,TRN,ARM,ARZ,CSM,CSV,opt,par}' (53 files)
innobackupex: Backing up file '/var/lib/percona-xtradb-cluster/keystone/db.opt'
innobackupex: Backing up files '/var/lib/percona-xtradb-cluster/mysql/*.{frm,isl,MYD,MYI,MAD,MAI,MRG,TRG,TRN,ARM,ARZ,CSM,CSV,opt,par}' (74 files)
>> log scanned up to (9868171)
innobackupex: Backing up file '/var/lib/percona-xtradb-cluster/aodh/db.opt'
161202 10:30:55 innobackupex: Finished backing up non-InnoDB tables and files

161202 10:30:56 innobackupex: Executing LOCK BINLOG FOR BACKUP...
DBD::mysql::db do failed: Deadlock found when trying to get lock; try restarting transaction at /usr//bin/innobackupex line 3059.
innobackupex: Error:
Error executing 'LOCK BINLOG FOR BACKUP': DBD::mysql::db do failed: Deadlock found when trying to get lock; try restarting transaction at /usr//bin/innobackupex line 3059.
161202 10:30:56 innobackupex: Waiting for ibbackup (pid=56969) to finish