static bool mask[32];
-static int filter(sd_bus *b, sd_bus_message *m, void *userdata) {
+static int filter(sd_bus *b, sd_bus_message *m, void *userdata, sd_bus_error *ret_error) {
log_info("Ran %i", PTR_TO_INT(userdata));
mask[PTR_TO_INT(userdata)] = true;
return 0;