Have confluent2lxca use current config for address

In a confluent2lxca scenario, it is highly probably that confluent's
attribute is not viable for LXCA usage (link local address).

Give the current configuration the opportunity to replace the
confluent reference with the current IPv4 of the host.

confluent_client/bin/confluent2lxca

@@ -52,6 +52,15 @@ def main():
             if node not in databynode:
                 databynode[node] = {}
             databynode[node].update(res['databynode'][node])
+    for res in sess.read(
+            '/noderange/{0}/configuration/management_controller/net_interfaces/management'.format(
+                    noderange)):
+        for node in res.get('databynode', {}):
+            currip = res['databynode'][node].get('ipv4_address', {}).get(
+                'value', '')
+            if currip:
+                databynode[node]['hardwaremanagement.manager'] = {
+                    'value': currip.split('/', 1)[0]}
     with open(options.output, 'w') as importfile:
         bulkimport = csv.writer(importfile)
         bulkimport.writerow(headers)