diff --git a/libusb/os/linux_udev.c b/libusb/os/linux_udev.c
index bea03e3..b09d299 100644
--- a/libusb/os/linux_udev.c
+++ b/libusb/os/linux_udev.c
@@ -262,6 +262,8 @@ static void udev_hotplug_event(struct udev_device* udev_dev)
 			linux_hotplug_enumerate(busnum, devaddr, sys_name);
 		} else if (detached) {
 			linux_device_disconnected(busnum, devaddr);
+		} else if (strncmp(udev_action, "bind", 4) == 0) {
+			/* silently ignore "known unhandled" action */
 		} else {
 			usbi_err(NULL, "ignoring udev action %s", udev_action);
 		}
diff --git a/libusb/version_nano.h b/libusb/version_nano.h
index 41a03d1..1764dec 100644
--- a/libusb/version_nano.h
+++ b/libusb/version_nano.h
@@ -1 +1 @@
-#define LIBUSB_NANO 11412
+#define LIBUSB_NANO 11413