removed '/dev/shm/var/mysqld.2/data/ib_buffer_pool'

WSREP_SST: [INFO] Waiting for SST streaming to complete! (20210906 15:46:48.633)

2021-09-06 15:46:49 0 [Note] WSREP: (a47d1885-8839, 'tcp://0.0.0.0:16005') turning message relay requesting off

2021/09/06 15:46:59 socat[9043] E SSL_read(): Connection reset by peer

[00] 2021-09-06 15:46:59 xb_stream_read_chunk(): my_read() failed.

2021-09-06 15:46:59 0 [Note] WSREP: 0.0 (ubuntu-groovy-amd64): State transfer to 1.0 (ubuntu-groovy-amd64) complete.

2021-09-06 15:46:59 0 [Note] WSREP: Member 0.0 (ubuntu-groovy-amd64) synced with group.

WSREP_SST: [ERROR] Error while getting data from donor node:  exit codes: 1 1 (20210906 15:46:59.948)

WSREP_SST: [ERROR] xtrabackup_checkpoints missing, failed mariabackup/SST on donor (20210906 15:46:59.958)

WSREP_SST: [ERROR] Cleanup after exit with status:2 (20210906 15:46:59.961)

WSREP_SST: [INFO] Removing the sst_in_progress file (20210906 15:46:59.963)

WSREP_SST: [INFO] Cleaning up temporary directories (20210906 15:46:59.968)