Kill 6to4/site-locals from the IETF57 WLAN please.

Hi,

Someone(s) in IETF57 WLAN appear to advertise site-locals and 6to4 
addresses.  Please stop.

]# /sbin/ip -6 a l
1: lo: <LOOPBACK,UP> mtu 16436 qdisc noqueue 
    inet6 ::1/128 scope host 
4: eth1: <BROADCAST,MULTICAST,NOTRAILERS,UP> mtu 1500 qdisc pfifo_fast 
qlen 100
    inet6 fec0::4:260:1dff:fef0:2fa9/64 scope site dynamic 
       valid_lft 172789sec preferred_lft 1789sec
    inet6 fe80::260:1dff:fef0:2fa9/64 scope link 
    inet6 2002:51a0:da47:4:260:1dff:fef0:2fa9/64 scope global dynamic 
       valid_lft 172789sec preferred_lft 1789sec
    inet6 2001:7f9:8400:10:260:1dff:fef0:2fa9/64 scope global dynamic 
       valid_lft 2591989sec preferred_lft 604789sec

-- 
Pekka Savola                 "You each name yourselves king, yet the
Netcore Oy                    kingdom bleeds."
Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings