Description of problem:
Firewall setup fails when public_network or cluster_network are comma delimited lists

Version-Release number of selected component (if applicable):
ceph-ansible-3.2.33-1.el7cp.noarch

2019-10-30 14:10:21,966 p=28662 u=mistral |  Using module file /usr/lib/python2.7/site-packages/ansible/modules/system/firewalld.py
2019-10-30 14:10:22,019 p=28662 u=mistral |  The full traceback is:
  File "/tmp/ansible_NDOOV4/ansible_modlib.zip/ansible/module_utils/firewalld.py", line 103, in action_handler
    return action_func(*action_func_args)
  File "/tmp/ansible_NDOOV4/ansible_module_firewalld.py", line 464, in set_enabled_permanent
    self.update_fw_settings(fw_zone, fw_settings)
  File "/tmp/ansible_NDOOV4/ansible_modlib.zip/ansible/module_utils/firewalld.py", line 134, in update_fw_settings
    fw_zone.update(fw_settings)
  File "<string>", line 2, in update
  File "/usr/lib/python2.7/site-packages/slip/dbus/polkit.py", line 103, in _enable_proxy
    return func(*p, **k)
  File "<string>", line 2, in update
  File "/usr/lib/python2.7/site-packages/firewall/client.py", line 53, in handle_exceptions
    return func(*args, **kwargs)
  File "/usr/lib/python2.7/site-packages/firewall/client.py", line 441, in update
    self.fw_zone.update(tuple(settings.settings))
  File "/usr/lib/python2.7/site-packages/slip/dbus/proxies.py", line 50, in __call__
    return dbus.proxies._ProxyMethod.__call__(self, *args, **kwargs)
  File "/usr/lib64/python2.7/site-packages/dbus/proxies.py", line 145, in __call__
    **keywords)
  File "/usr/lib64/python2.7/site-packages/dbus/connection.py", line 651, in call_blocking
    message, timeout)

2019-10-30 14:10:22,019 p=28662 u=mistral |  Escalation succeeded
2019-10-30 14:10:22,020 p=28662 u=mistral |  failed: [overcloud-controller-2] (item={u'service': u'ceph-mon', u'zone': u'public'}) => {
    "changed": false, 
    "invocation": {
        "module_args": {
            "immediate": true, 
            "interface": null, 
            "masquerade": null, 
            "offline": null, 
            "permanent": true, 
            "port": null, 
            "rich_rule": null, 
            "service": "ceph-mon", 
            "source": "172.120.3.0/24,172.117.3.0/24,172.118.3.0/24,172.119.3.0/24", 
            "state": "enabled", 
            "timeout": 0, 
            "zone": "public"
        }
    }, 
    "item": {
        "service": "ceph-mon", 
        "zone": "public"
    }, 
    "msg": "ERROR: Exception caught: org.fedoraproject.FirewallD1.Exception: INVALID_ADDR: 172.120.3.0/24,172.117.3.0/24,172.118.3.0/24,172.119.3.0/24 Permanent and Non-Permanent(immediate) operation"
}