VPN Routes not cleaned up correctly

[GoogleCodeExporter]

What steps will reproduce the problem?
0.Clean Boot of phone with wifi turned off.
1.Turn on OpenVPN Tunnel, look at routes
2.Turn off OpenVPN Tunnel, look at routes
3.Turn on Wifi on same network as OpenVPN Tunnel, look at routes
4.Turn off Wifi, look at routes

What is the expected output? What do you see instead?
The VPN network route is left behind but now attached to the rmnet0 device. 

Now the only way to recover (start the OpenVPN tunnel) is to manually delete 
the route:
/system/xbin/route del IP_ADDR_OF_VPN_GW

What version of the product are you using?
0.4.7

Which Android phone are you using?
Nexus One

Which firmware version are you using?
CM6.1 (Nightly)

Please provide any additional information below.

It could be my specific OpenVPN settings (server/client). Let me know if I need 
to dig deeper.

Original issue reported on code.google.com by jaeb...@gmail.com on 25 Oct 2010 at 5:03

[GoogleCodeExporter]

I can not verify this behavior on my Nexus One (Stock Android 2.3.6).
Does this issue still occur?  

Original comment by friedrich.schaeuffelhut on 28 Dec 2011 at 11:58

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[GoogleCodeExporter]

Neither can I. Usually the openvpn binary takes care of this...

Original comment by cyberde on 8 Jan 2012 at 11:35