Only output 'queued' message once

autobuildd

@@ -314,8 +314,12 @@ function start_build_vm() {
 
 	# Wait for any VMs using our image to shut down
 	## We're ready to boot up again when our vm image file is no longer in use
+	local queued=false
 	until [[ $(lsof "$build_farm_directory/$ARCHDIR/$VM_IMAGE" 2>/dev/null) == "" ]]; do
-		echo "Queued"
+		if [[ "$queued" == false ]]; then
+			echo "Queued"
+			queued=true
+		fi
 		sleep 1
 	done