>After updating to yesterday's -current from one dated mid-March, any
>attempt to send packets through the ipv6 tunnel configured on gif0
>results in:
>/netbsd: nd6_lookup: failed to add route for a neighbor(3ffe:0b00:0c18::0018), errno=17
>/netbsd: nd6_output: can't allocate llinfo for3ffe:0b00:0c18::0018 (ln=0x0, rt=0x0)

	Thakns for reporting, I'll take a look at it.  As temporary
	solution, please do:
	# ndp -i gif0 -nud
	in your startup scripts.  This turns off neighbor unreachability
	detection in the kernel.

>The commands to build the tunnel were:
>
>ifconfig gif0 204.29.161.36 206.123.31.101	<--- is it gifconfig?
>ifconfig gif0 inet6 3ffe:b00:c18::19 3ffe:b00:c18::18 

itojun