=== modified file 'initramfs-tools-hook'
--- initramfs-tools-hook	2011-11-27 14:44:28 +0000
+++ initramfs-tools-hook	2011-11-28 22:34:10 +0000
@@ -118,6 +118,9 @@
         # Copy any files needed by the network hook
 	MANDOSNETHOOKDIR=/etc/mandos/network-hooks.d MODE=files \
 	    VERBOSITY=0 "$hook" files | while read file target; do
+	    if [ ! -e "${file}" ]; then
+		echo "WARNING: file ${file} not found, requested by Mandos network hook '${hook##*/}'" >&2
+	    fi
 	    if [ -z "${target}" ]; then
 		copy_exec "$file"
 	    else