MROUTED: Problem with vif installation

[Nazeem نجم لدين]

Hi

I get this error when running
mrouted -d

/etc/mrouted.conf is:
tunnel 10.129.869.152 10.105.12.38

19:20:30.460 SENT neighbor probe     from 10.129.86.152   to 224.0.0.4
19:20:30.461 SENT neighbor probe     from 10.129.86.152   to 10.105.12.38
19:20:35.480 mrouted version 3.9-beta3+IOS12
19:20:35.480 Installing vifs in kernel...
19:20:35.480 vif #0, phyint 192.168.1.1
19:20:35.480 vif #1, phyint 10.129.86.152
19:20:35.481 vif #2, tunnel 10.129.86.152 -> 10.105.12.38
19:20:35.481 setsockopt MRT_ADD_VIF on vif 2: Operation not supported

Can you please help me?

-Nazeem