go func() {
		connSignal := make(chan *dbus.Signal, 1)
		b.connection.Signal(connSignal)
		defer b.connection.RemoveSignal(connSignal)
		for _, s := range []objectManager.Signal{
			(*objectManager.ObjectManager_InterfacesAddedSignal)(nil),
			(*objectManager.ObjectManager_InterfacesRemovedSignal)(nil),
		} {
			objectManager.AddMatchSignal(b.connection, s, dbus.WithMatchSender("org.freedesktop.UDisks2"))
		}

		for {
			select {
			case s := <-connSignal:
				lookupSignal, _ := objectManager.LookupSignal(s)

				switch sig := lookupSignal.(type) {
				case *objectManager.ObjectManager_InterfacesAddedSignal:
					fmt.Printf("%s ADD\n", sig.Body.ObjectPath)
					for iface := range sig.Body.InterfacesAndProperties {
						fmt.Printf("  %s\n", iface)
					}
					fmt.Println()
				case *objectManager.ObjectManager_InterfacesRemovedSignal:
					fmt.Printf("%s REM\n", sig.Body.ObjectPath)
					for _, iface := range sig.Body.Interfaces {
						fmt.Printf("  %s\n", iface)
					}
					fmt.Println()
				}
			}
		}
	}()