Skip IPv6 addresses whose interface is set as IFDISABLED.
FreeBSD 9.0 with default setting (ipv6_activate_all_interfaces
is not YES) sets IFDISABLED to interfaces which don't have
global IPv6 address.
Link-local IPv6 addresses on those interfaces don't work.
Added by naruse (Yui NARUSE) about 13 years ago
Skip IPv6 addresses whose interface is set as IFDISABLED.
FreeBSD 9.0 with default setting (ipv6_activate_all_interfaces
is not YES) sets IFDISABLED to interfaces which don't have
global IPv6 address.
Link-local IPv6 addresses on those interfaces don't work.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35610 b2dd03c8-39d4-4d8f-98ff-823fe69b080e