Format port_details field of Floating IP

Depends-On: I31e940d2986278d2fbee6fdfea4ff15f7c07ebaa
Change-Id: I115739ea253ce26e075cd3f10e719b13f18afa5b
Partial-Bug: #1723026

Author: Hongbin Lu

openstackclient/network/v2/floating_ip.py

@@ -25,6 +25,11 @@
 from openstackclient.network.v2 import _tag
 
 
+_formatters = {
+    'port_details': utils.format_dict,
+}
+
+
 def _get_network_columns(item):
     column_map = {
         'tenant_id': 'project_id',
@@ -489,7 +494,7 @@ def take_action_network(self, client, parsed_args):
             ignore_missing=False,
         )
         display_columns, columns = _get_network_columns(obj)
-        data = utils.get_item_properties(obj, columns)
+        data = utils.get_item_properties(obj, columns, formatters=_formatters)
         return (display_columns, data)
 
     def take_action_compute(self, client, parsed_args):