Provisioning of load-balancer fails because of failed firewalld service (caused by failed dbus)

[ostefek99]

The issue was encountered while running "lb-vms.yml" with "install" tag.
The playbook fails during setup firewall rules because the firewalld service is failing. Firewalld service is failing because of dbus service is failed (can be seen in journalctl).
To fix it, you have to:

1. restart dbus.service
2. restart firewalld.service
3. rerun the playbook which

Note:
This happens on CentOS 7 image.