Using backend protocol as client protocol causes a crash

We are trying to setup MaxScale 2.2.5 so we untar the software and created /etc/maxscale.cnf file. We got the below errors while starting up maxscale.

$ ./bin/maxscale --user=maxscale --basedir=/mysql/maxscale --config=/etc/maxscale.cnf -d
Info : MaxScale will be run in the terminal process.
Configuration file : /etc/maxscale.cnf
Log directory : /mysql/maxscale/var/log/maxscale
Data directory : /mysql/maxscale/var/lib/maxscale
Module directory : /mysql/maxscale/lib64/maxscale
Service cache : /mysql/maxscale/var/cache/maxscale

Fatal: MaxScale 2.2.5 received fatal signal 11. Attempting backtrace.
Commit ID: d9e69413b4d18da24aa04e68e3ce9208159a267a System name: Linux Release string: Red Hat Enterprise Linux Server release 7.4 (Maipo)

./bin/maxscale[0x407901]
/lib64/libpthread.so.0(+0xf5e0)[0x7f41367d65e0]

Writing core dump
Segmentation fault

Could you please let us know, is it a bug? or if not please provide us a solution to fix this.

Thanks,
Venkat Beru