WSREP_SST: [INFO] Waiting for SST streaming to complete! (20190615 14:28:12.574)
2019-06-15 14:28:13 0 [Note] WSREP: (a7e09688, 'tcp://0.0.0.0:4567') connection to peer a7e09688 with addr tcp://192.168.218.75:4567 timed out, no messages seen in PT3S
2019-06-15 14:28:14 0 [Note] WSREP: (a7e09688, 'tcp://0.0.0.0:4567') turning message relay requesting off
2019-06-15 14:29:07 0 [Note] WSREP: 1.0 (SRV-MARIADB01): State transfer to 0.0 (SRV-MARIADB04) complete.
2019-06-15 14:29:07 0 [Note] WSREP: Member 1.0 (SRV-MARIADB01) synced with group.
WSREP_SST: [INFO] Preparing the backup at /var/lib/mysql//.sst (20190615 14:29:07.201)
WSREP_SST: [INFO] Evaluating /usr/bin/mariabackup --innobackupex   $INNOEXTRA --apply-log $rebuildcmd ${DATA} &> /var/lib/mysql//mariabackup.prepare.log (20190615 14:29:07.206)
WSREP_SST: [ERROR] Removing /var/lib/mysql//.sst/xtrabackup_galera_info file due to signal (20190615 14:30:49.209)
WSREP_SST: [INFO] Moving the backup to /var/lib/mysql/ (20190615 14:30:49.216)
WSREP_SST: [INFO] Evaluating /usr/bin/mariabackup --innobackupex       --move-back --force-non-empty-directories ${DATA} &> /var/lib/mysql//mariabackup.move.log (20190615 14:30:49.221)
WSREP_SST: [INFO] Move successful, removing /var/lib/mysql//.sst (20190615 14:30:49.344)
WSREP_SST: [ERROR] SST magic file /var/lib/mysql//xtrabackup_galera_info not found/readable (20190615 14:30:49.351)
WSREP_SST: [ERROR] Cleanup after exit with status:2 (20190615 14:30:49.356)
2019-06-15 14:30:49 0 [ERROR] WSREP: Process completed with error: wsrep_sst_mariabackup --role 'joiner' --address '192.168.218.75' --datadir '/var/lib/mysql/'   --parent '55309'  ''  '': 2 (No such file or directory)
2019-06-15 14:30:49 0 [ERROR] WSREP: Failed to read uuid:seqno and wsrep_gtid_domain_id from joiner script.
2019-06-15 14:30:49 0 [ERROR] WSREP: SST failed: 2 (No such file or directory)
2019-06-15 14:30:49 0 [ERROR] Aborting

Error in my_thread_global_end(): 1 threads didn't exit