Per App Vpn IOS7 problem

Hi,

I am currently implementing a perAppVpn function in my job. I have set the payload correctly and sent through MDM comment to the specific app I defined to use perAppVpn. I set the OnDemandMatchAppEnabled to true so that the app will automacially connect to VPN when the app launch.

I am using Cisco Anyconnect. When I start the app, I can see it is connected to VPN server as the upper left corner show a VPN icon. But when I see the log, it shows

flow_divert_copy_token_parameters: No valid flow divert service found

and

VPNAppLayerCreateFlowDivertToken: failed to get the token parameters all the time.

Does anyone got any idea on this.

Thanks