Description of problem:

In HA Setup - after creating a router,setting it's gateway and adding an internal interface.

Then running on the controller the following command 

[root@controller-0 heat-admin]# sudo docker exec --user root -it opendaylight_api /opt/opendaylight/bin/client -u karaf display-napt-switches
Router Id                 Datapath Node Id      Managment Ip Address
    -------------------------------------------------------------------------------------------
     cf09640c-6efb-46fe-9c10-da87e1bb9ec3  0         null                
     e9872b64-a134-451f-86e4-c50388c2fa63  0         null


There is no Managment Ip Address for the router.

Version-Release number of selected component (if applicable):
opendaylight-6.1.0-2.el7ost.noarch

How reproducible:


Steps to Reproduce:
1. Setup OpenStack with OpenDaylight on HA setup
2. Create an external network,a router and an internal network
3. Set the gateway for the router and attach the internal interface 
4. On one of the controllers run:
   $ sudo docker exec --user root -it opendaylight_api /opt/opendaylight/bin/client -u karaf display-napt-switches
5. Verify that there is no Managment Ip Address for the router

Actual results:


Expected results:


Additional info: