Comment 11 for bug 295544

Here a patch:

diff -urN acpi-support-0.115.orig/suspend.d/55-down-interfaces.sh acpi-support-0.115/suspend.d/55-down-interfaces.sh
--- acpi-support-0.115.orig/suspend.d/55-down-interfaces.sh 2008-09-26 03:28:34.000000000 +0300
+++ acpi-support-0.115/suspend.d/55-down-interfaces.sh 2009-01-28 20:53:05.832224111 +0200
@@ -10,8 +10,8 @@
 # managed by other tools, such as NetworkManager, and will be brought up
 # automatically). Due to logical interfaces, the interfaces that we pass to
 # ifdown are DIFFERENT than those that we pass to ifup, see Debian BTS #475002.
-IFDOWN_INTERFACES="`cat /etc/network/run/ifstate | sed 's/=.*//'`"
-IFUP_INTERFACES="`cat /etc/network/run/ifstate`"
+IFDOWN_INTERFACES="`cat /var/run/network/ifstate | sed 's/=.*//'`"
+IFUP_INTERFACES="`cat /var/run/network/ifstate`"

 must_control_interface()
 {