Error in service mysqld but cluster still replicated Percona XtraDB Cluster

Hi everyone! i have one question, i have a percona xtradb cluster with 3 nodes, i restarted mysql service in one node and the service is not started or start with a error:

“mysql.service – Percona XtraDB Cluster
Loaded: loaded (/usr/lib/systemd/system/mysql.service; enabled; vendor preset: disabled)
Active: failed (Result: exit-code) since lun 2018-11-12 15:13:58 CST; 3h 20min ago
Process: 21428 ExecStopPost=/usr/bin/mysql-systemd stop-post (code=exited, status=0/SUCCESS)
Process: 21398 ExecStop=/usr/bin/mysql-systemd stop (code=exited, status=2)
Process: 20816 ExecStartPost=/usr/bin/mysql-systemd start-post $MAINPID (code=exited, status=1/FAILURE)
Process: 20815 ExecStart=/usr/bin/mysqld_safe –basedir=/usr (code=exited, status=1/FAILURE)
Process: 27167 ExecStartPre=/usr/bin/mysql-systemd start-pre (code=exited, status=1/FAILURE)
Main PID: 20815 (code=exited, status=1/FAILURE)

nov 12 15:13:58 DES-TX-NODE01 systemd[1]: Starting Percona XtraDB Cluster…
nov 12 15:13:58 DES-TX-NODE01 mysql-systemd[27167]: WARNING: Another instance…
nov 12 15:13:58 DES-TX-NODE01 systemd[1]: mysql.service: control process exi…1
nov 12 15:13:58 DES-TX-NODE01 systemd[1]: Failed to start Percona XtraDB Clu….
nov 12 15:13:58 DES-TX-NODE01 systemd[1]: Unit mysql.service entered failed ….
nov 12 15:13:58 DES-TX-NODE01 systemd[1]: mysql.service failed.
Hint: Some lines were ellipsized, use -l to show in full.

but the variables ‘wsrep_local_state_comment’,’wsrep_ready’,’wsrep_connected’ is the same in the 3 nodes and the replication is OK i can do create,insert,delete, drop in anywan node and replicated good, but i can’t restart service mysql, any idea what happend?.