15:39 -!- Irssi: Looking up efnet.ipv6.xs4all.nl
15:39 -!- Irssi: Connecting to efnet.ipv6.xs4all.nl [2001:888:0:2::2] port 6667
15:41 -!- Irssi: Unable to connect server efnet.ipv6.xs4all.nl port 6667
          [Connection timed out]

# netstat -an
~~~~~
Proto Recv-Q Send-Q  Local Address          Foreign Address        (state)
tcp6       0      0  2001:5c0:8fff:ff.13989 2001:888:0:2::2.6667   SYN_SENT
tcp6       0      0  ::1.6010               *.*                    LISTEN
tcp6       0      0  ::1.587                *.*                    LISTEN
tcp6       0      0  ::1.25                 *.*                    LISTEN
~~~~

# ifconfig gif0
gif0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1280
        groups: gif egress
        physical address inet 203.212.159.211 --> 64.86.88.117
        inet6 fe80::2e0:4cff:fe3a:98e%gif0 ->  prefixlen 64 scopeid 0x6
        inet6 2001:5c0:8fff:ffff:8000:0:cbd4:9fd3 -> 2001:5c0:8fff:ffff:8000:1:cbd4:9fd3 prefixlen 128

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