See https://qa.mandriva.com/show_bug.cgi?id=58834
Patch from bug report, updated for glibc 2.12.1 in Mandriva

diff -p -up glibc-2.12.1/posix/gai.conf.orig glibc-2.12.1/posix/gai.conf
--- glibc-2.12.1/posix/gai.conf.orig	2010-07-27 08:34:39.000000000 -0300
+++ glibc-2.12.1/posix/gai.conf	2010-08-25 11:27:32.302898528 -0300
@@ -56,9 +56,7 @@
 #
 # scopev4  <mask>  <value>
 #    Add another rule to the RFC 3484 scope table for IPv4 addresses.
-#    By default the scope IDs described in section 3.2 in RFC 3484 are
-#    used.  Changing these defaults should hardly ever be necessary.
-#    The defaults are equivalent to:
+#    The definitions in RFC 3484 are equivalent to:
 #
 #scopev4 ::ffff:169.254.0.0/112  2
 #scopev4 ::ffff:127.0.0.0/104    2
@@ -69,8 +67,8 @@
 #
 #    For sites which use site-local IPv4 addresses behind NAT there is
 #    the problem that even if IPv4 addresses are preferred they do not
-#    have the same scope and are therefore not sorted first.  To change
-#    this use only these rules:
+#    have the same scope and are therefore not sorted first.  Therefore,
+#    the following settings are used by default on this system:
 #
 #scopev4 ::ffff:169.254.0.0/112  2
 #scopev4 ::ffff:127.0.0.0/104    2
diff -p -up glibc-2.12.1/sysdeps/posix/getaddrinfo.c.orig glibc-2.12.1/sysdeps/posix/getaddrinfo.c
--- glibc-2.12.1/sysdeps/posix/getaddrinfo.c.orig	2010-07-27 08:34:39.000000000 -0300
+++ glibc-2.12.1/sysdeps/posix/getaddrinfo.c	2010-08-25 11:24:03.960253468 -0300
@@ -1099,10 +1099,12 @@ static const struct scopeentry
     /* Link-local addresses: scope 2.  */
     { { { 169, 254, 0, 0 } }, htonl_c (0xffff0000), 2 },
     { { { 127, 0, 0, 0 } }, htonl_c (0xff000000), 2 },
+#if 0
     /* Site-local addresses: scope 5.  */
     { { { 10, 0, 0, 0 } }, htonl_c (0xff000000), 5 },
     { { { 172, 16, 0, 0 } }, htonl_c (0xfff00000), 5 },
     { { { 192, 168, 0, 0 } }, htonl_c (0xffff0000), 5 },
+#endif
     /* Default: scope 14.  */
     { { { 0, 0, 0, 0 } }, htonl_c (0x00000000), 14 }
   };