routes, "strange next-hop" and p2p interfaces

[Eugene M. Zheganin]

Hello,

I have a peculiar VPN client that I want to redistributes the routes 
from. Technically it creates a tun0 interface and
attaches all the routes it's connected to as it's own on-interface 
routes pointing to it's own IP (yeah, I know it's la
me, but seems like it's written by Windows 98 addicts, so it's still 
pretty normal for them). This confuses bird and it
's complaining with usual


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Jun  7 15:10:43 vipnet bird[28752]: KRT: Received route 1.2.3.4/26 with 
strange next-hop 5.6.7.8


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However:


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[root@host ~]# ip addr show tun0
4: tun0: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc 
fq_codel state UNKNOWN group default qlen 500
link/none
    inet 5.6.7.8/32 scope global tun0
       valid_lft forever preferred_lft forever
    inet6 fe80::6d6d:315d:3deb:6ae0/64 scope link stable-privacy
       valid_lft forever preferred_lft forever

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So far I'm reexporting these routes as static, but is there any way to 
do thsi automatically ?

Thanks.