galera_sst_xtrabackup-v2: assertion failure: global_status_var.global_memory_used == 0

$ perl mtr galera_sst_xtrabackup-v2

...

#5  0x00007f59c885d01a in __GI_abort () at abort.c:89

#6  0x00007f59c8853bd7 in __assert_fail_base (fmt=<optimized out>, assertion=assertion@entry=0x556ca6844940 "global_status_var.global_memory_used == 0", file=file@entry=0x556ca6844670 "/home/nirbhay/project/git-repo/mariadb/10.2/sql/mysqld.cc", line=line@entry=2152, function=function@entry=0x556ca684c6c0 <mysqld_exit(int)::__PRETTY_FUNCTION__> "void mysqld_exit(int)") at assert.c:92

#7  0x00007f59c8853c82 in __GI___assert_fail (assertion=0x556ca6844940 "global_status_var.global_memory_used == 0", file=0x556ca6844670 "/home/nirbhay/project/git-repo/mariadb/10.2/sql/mysqld.cc", line=2152, function=0x556ca684c6c0 <mysqld_exit(int)::__PRETTY_FUNCTION__> "void mysqld_exit(int)") at assert.c:101

#8  0x0000556ca5ccd450 in mysqld_exit (exit_code=1) at /home/nirbhay/project/git-repo/mariadb/10.2/sql/mysqld.cc:2152

#9  0x0000556ca5ccd359 in unireg_abort (exit_code=1) at /home/nirbhay/project/git-repo/mariadb/10.2/sql/mysqld.cc:2120

#10 0x0000556ca5f71aeb in wsrep_init_startup (first=true) at /home/nirbhay/project/git-repo/mariadb/10.2/sql/wsrep_mysqld.cc:830

#11 0x0000556ca5cd37a2 in init_server_components () at /home/nirbhay/project/git-repo/mariadb/10.2/sql/mysqld.cc:5226

#12 0x0000556ca5cd4ac7 in mysqld_main (argc=151, argv=0x7f59c80720c0) at /home/nirbhay/project/git-repo/mariadb/10.2/sql/mysqld.cc:5882

#13 0x0000556ca5cc9ae0 in main (argc=18, argv=0x7ffdc0cb6108) at /home/nirbhay/project/git-repo/mariadb/10.2/sql/main.cc:25