mbstream: Can't create/write to file './ib_logfile0' (Errcode: 2 "No such file or directory")

[TAO ZHOU]

I got the following error on the joiner node while doing SST:

+ [[ -n '' ]]
+ TDATA=/var/mysql-data/
+ DATA=/var/mysql-data//.sst
+ MAGIC_FILE=/var/mysql-data//.sst/xtrabackup_galera_info
+ wsrep_log_info 'current DIR /var/mysql-data Waiting for SST streaming to complete!'
+ wsrep_log '[INFO] current DIR /var/mysql-data Waiting for SST streaming to complete!'
++ date '+%Y%m%d %H:%M:%S.%N'
++ cut -b -21
+ local readonly 'tst=20170913 12:22:53.N'
+ echo 'WSREP_SST: [INFO] current DIR /var/mysql-data Waiting for SST streaming to complete! (20170913 12:22:53.N)'
WSREP_SST: [INFO] current DIR /var/mysql-data Waiting for SST streaming to complete! (20170913 12:22:53.N)
+ wait 77162
2017-09-13 12:22:55 34424866304 [Note] WSREP: (719171c9, 'tcp://0.0.0.0:4567') connection to peer 719171c9 with addr tcp://192.168.1.11:4567 timed out, no messages seen in PT3S
2017-09-13 12:22:55 34424866304 [Note] WSREP: (719171c9, 'tcp://0.0.0.0:4567') turning message relay requesting off
mbstream: Can't create/write to file './ib_logfile0' (Errcode: 2 "No such file or directory")
mbstream: failed to create file.
2017/09/13 12:23:03 socat[77169] E write(1, 0x801e46f40, 8192): Broken pipe
++ RC=(${PIPESTATUS[@]})
+ extcode=0
+ return 0
+ set -e
+ popd
+ [[ 1 -eq 124 ]]
+ for ecode in "${RC[@]}"
+ [[ 1 -ne 0 ]]
+ wsrep_log_error 'Error while getting data from donor node: ' 'exit codes: 1' 0
+ wsrep_log '[ERROR] Error while getting data from donor node:  exit codes: 1 0'
++ date '+%Y%m%d %H:%M:%S.%N'
++ cut -b -21
+ local readonly 'tst=20170913 12:23:03.N'
+ echo 'WSREP_SST: [ERROR] Error while getting data from donor node:  exit codes: 1 0 (20170913 12:23:03.N)'
WSREP_SST: [ERROR] Error while getting data from donor node:  exit codes: 1 0 (20170913 12:23:03.N)
+ exit 32

wsrep_sst_method=mariabackup
My OS is FreeBSD 11.1.

Any ideas?