diff -Nru resolvconf-1.69ubuntu1/debian/changelog resolvconf-1.69ubuntu1.1/debian/changelog
--- resolvconf-1.69ubuntu1/debian/changelog	2013-01-18 18:52:11.000000000 +0200
+++ resolvconf-1.69ubuntu1.1/debian/changelog	2014-06-13 16:06:13.000000000 +0300
@@ -1,3 +1,12 @@
+resolvconf (1.69ubuntu1.1) trusty-proposed; urgency=medium
+
+  * debian/preinst: On 12.04 LTS the system works without /etc/resolv.conf.
+    Upon upgrading such a system to 14.04 LTS network stops working. 
+    Therefore, create a symlink upon upgrade from resolvconf <= 1.64 in the 
+    case that /etc/resolv.conf does not exist at all. (LP: #1308378)
+
+ -- Timo Jyrinki <timo-jyrinki@ubuntu.com>  Thu, 17 Apr 2014 14:45:17 +0300
+
 resolvconf (1.69ubuntu1) raring; urgency=low
 
   * Merge from Debian. Remaining changes: (LP: #1085756)
diff -Nru resolvconf-1.69ubuntu1/debian/preinst resolvconf-1.69ubuntu1.1/debian/preinst
--- resolvconf-1.69ubuntu1/debian/preinst	2012-12-13 20:27:08.000000000 +0200
+++ resolvconf-1.69ubuntu1.1/debian/preinst	2014-06-13 16:05:59.000000000 +0300
@@ -56,9 +56,17 @@
 		fi
 	fi
 	;;
-  # upgrade)
-	# Don't do anything
-	# ;;
+  upgrade)
+	# On 12.04 LTS the system works without /etc/resolv.conf. Upon upgrading 
+	# such a system to 14.04 LTS network stops working. Therefore, create a
+	# symlink upon upgrade from resolvconf <= 1.64 in the case that 
+	# /etc/resolv.conf does not exist at all. (LP: #1308378)
+	if dpkg --compare-versions "$2" lt 1.64 ; then
+		if [ ! -e /etc/resolv.conf ]; then
+			ln -nsf ../run/resolvconf/resolv.conf /etc/resolv.conf
+		fi
+	fi
+	;;
   # abort-upgrade)
 	# Don't do anything because we don't anything in the postrm on upgrade or on failed-upgrade
 	# ;;