force remove mac address after restoring snapshot

prepare.sh

@@ -30,6 +30,9 @@ start_container () {
 
 	restore_snapshot "$CONTAINER_IMAGE" "$CURRENT_VERSION" "$SNAPSHOT_NAME"
 
+	# Unset the mac address to ensure the copy will get a new one and will be able to get new IP
+	lxc config unset "$CONTAINER_IMAGE" volatile.eth0.hwaddr 2> /dev/null
+
 	lxc start $CONTAINER_IMAGE
 
 	wait_container $CONTAINER_IMAGE

utils.sh

@@ -98,9 +98,6 @@ create_snapshot()
 	local ynh_version=$2
 	local snapshot=$3
 
-	# Unset the mac address to ensure the copy will get a new one and will be able to get new IP
-	lxc config unset "$image_to_rebuild" volatile.eth0.hwaddr 2> /dev/null
-
 	# Create snapshot
 	lxc snapshot "$instance_to_publish" "$ynh_version-$snapshot" --reuse
 }