diff -Nru ifupdown-0.6.8ubuntu12/debian/changelog ifupdown-0.6.8ubuntu12~ppa1/debian/changelog
--- ifupdown-0.6.8ubuntu12/debian/changelog	2008-10-12 17:12:08.000000000 -0500
+++ ifupdown-0.6.8ubuntu12~ppa1/debian/changelog	2008-10-31 10:40:07.000000000 -0500
@@ -1,3 +1,10 @@
+ifupdown (0.6.8ubuntu12~ppa1) intrepid; urgency=low
+
+  * make modprobe ipv6 not abort ifup. Original patch by Malte S. Stretz.
+    (LP #158582)
+
+ -- Matt LaPlante <mattl@google.com>  Thu, 30 Oct 2008 19:14:16 -0500
+
 ifupdown (0.6.8ubuntu12) intrepid; urgency=low
 
   * resurrect _darcs directory
diff -Nru ifupdown-0.6.8ubuntu12/debian/testbuild ifupdown-0.6.8ubuntu12~ppa1/debian/testbuild
--- ifupdown-0.6.8ubuntu12/debian/testbuild	2008-06-21 17:30:44.000000000 -0500
+++ ifupdown-0.6.8ubuntu12~ppa1/debian/testbuild	2008-10-30 19:13:44.000000000 -0500
@@ -116,7 +116,7 @@
 run-parts --verbose /etc/network/if-up.d
 Configuring interface eth0=eth0 (inet6)
 run-parts --verbose /etc/network/if-pre-up.d
-modprobe -Q ipv6
+modprobe -Q ipv6 || true
 ifconfig eth0    up
 ifconfig eth0 add 3ffe:ffff:100:f101::1/64
 
diff -Nru ifupdown-0.6.8ubuntu12/ifupdown.nw ifupdown-0.6.8ubuntu12~ppa1/ifupdown.nw
--- ifupdown-0.6.8ubuntu12/ifupdown.nw	2008-10-12 17:09:23.000000000 -0500
+++ ifupdown-0.6.8ubuntu12~ppa1/ifupdown.nw	2008-10-30 19:14:11.000000000 -0500
@@ -4160,7 +4160,7 @@
                                  /address/ is dependent on this choice.
     mtu size               -- MTU size
   up
-    modprobe -Q ipv6
+    modprobe -Q ipv6 || true
     ifconfig %iface% [[media %media%]] [[hw %hwaddress%]] [[mtu %mtu%]] up
     ifconfig %iface% add %address%/%netmask%
     [[ route -A inet6 add ::/0 gw %gateway% %iface% ]] 
@@ -4175,7 +4175,7 @@
     means of *up* and *down* commands or /etc/network/if-*.d scripts.
 
   up
-    modprobe -Q ipv6
+    modprobe -Q ipv6 || true
   down
 
 method v4tunnel
@@ -4194,7 +4194,7 @@
     ttl time              -- TTL setting
 
   up
-    modprobe -Q ipv6
+    modprobe -Q ipv6 || true
     ip tunnel add %iface% mode sit remote %endpoint% [[local %local%]] \
        [[ttl %ttl%]]
     ip link set %iface% up