Can not see the OVS switch from Opendaylight dlux interface

After seting the opendaylight controller I can see the message that contoller is connected.

root@Node_4:~# ovs-vsctl show
    Bridge br-int
        Controller "tcp:"
            is_connected: true

But in the browser under http://localhost:8181/index.html#/topology this address I can't see anything. I have tried the reload button, but it is still white, no switches can be seen.

From OVS to controller ping does not work though the ovs-vsctl shows that controller connected.

root@Node_4:~# ping
PING ( 56 data bytes
--- ping statistics ---
84 packets transmitted, 0 packets received, 100% packet loss

But if I disconnect the controller from the OVS. Then i can ping the ip

I am new in this environment. any help?

I am trying to see the topology where i have configured a p2p WDS link between two routers using OVS.