diff -Nru multipath-tools-0.4.9/debian/changelog multipath-tools-0.4.9/debian/changelog
--- multipath-tools-0.4.9/debian/changelog      2013-01-30 01:10:55.000000000 +0000
+++ multipath-tools-0.4.9/debian/changelog      2014-07-21 00:13:49.000000000 +0000
@@ -1,3 +1,10 @@
+multipath-tools (0.4.9-3ubuntu8) trusty; urgency=medium
+
+  * Remove RUN+="socket:" statement in rules file since it is
+    no longer supported after version 178 (LP: #1240049)
+
+ -- Seyeong Kim <seyeong.kim@canonical.com>  Mon, 21 Jul 2014 00:13:06 +0000
+
 multipath-tools (0.4.9-3ubuntu7) raring; urgency=low

   * Add 0010-fix-extended-partitions.patch: Only expose the
diff -Nru multipath-tools-0.4.9/debian/multipath.udev multipath-tools-0.4.9/debian/multipath.udev
--- multipath-tools-0.4.9/debian/multipath.udev 2013-01-30 00:55:25.000000000 +0000
+++ multipath-tools-0.4.9/debian/multipath.udev 2014-07-21 00:12:37.000000000 +0000
@@ -3,9 +3,6 @@
 # The persistent symlinks are created with the kpartx rules
 #

-# socket for uevents
-RUN+="socket:/org/kernel/dm/multipath_event"
-
 # Coalesce multipath devices before multipathd is running (initramfs, early
 # boot)
 ACTION=="add|change", SUBSYSTEM=="block", RUN+="/sbin/multipath -v0 /dev/$name"