There is a bug regarding the functionallity of the loadbalancer.org on systemd systems. Only init based OS will work.
The solution for this problem, by their support team, is to run everytime that CentOS Node reboots the following command:
Or for Ubuntu
This is something that can be workaround adding that command to /etc/rc.local. This will ensure that each time the server boots, the LoadBalancer will work with this Node.