So there are 2 other issues: (from bugs I have marked duplicate)
SQL_SLAVE_SKIP_COUNTER=1 sticks permanently with wsrep_mysql_replication_bundle set
PXC node as async slave has issues updating exec_master_log_pos and relay_master_log_file
All of them can be traced to wsrep_mysql_replication_bundle set
So there are 2 other issues: (from bugs I have marked duplicate)
SQL_SLAVE_ SKIP_COUNTER= 1 sticks permanently with wsrep_mysql_ replication_ bundle set
PXC node as async slave has issues updating exec_master_log_pos and relay_master_ log_file
All of them can be traced to wsrep_mysql_ replication_ bundle set