ipv6ポリシーテーブルの話
http://techblog.yahoo.co.jp/infrastructure/ipv6/issue/
https://www.google.co.jp/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#q=%22::ffff:0.0.0.0/96%22&lr=lang_ja
http://www.kokatsu.jp/blog/ipv4/data/interop2009/03_ClientOS_KITAGUCHI.pdf
http://lists.opensuse.org/opensuse-ja/2012-05/msg00001.html
http://projects.tsuntsun.net/~nabeken/diary/IPv6/source-address-selection-on-linux.html
http://man7.org/linux/man-pages/man5/gai.conf.5.html