--- sys/dev/usb/input/ukbd.c	2021-02-05 09:34:03.000000000 1100
+++ sys/dev/usb/input/ukbd.c	2021-02-05 09:34:03.000000000 1100
@@ -682,6 +682,17 @@
 		/* get data */
 		usbd_copy_out(pc, offset, sc->sc_buffer, len);
 
+		if (len == 8 && sc->sc_buffer[0] == 0) {
+			for (i = 2; i != 8; ++i)
+				if (sc->sc_buffer[i] != 1)
+					break;
+
+			if (i == 8) {
+				DPRINTF("Ignoring key rollover packet\n");
+				goto tr_setup;
+			}
+		}
+
 		/* clear temporary storage */
 		memset(&sc->sc_ndata, 0, sizeof(sc->sc_ndata));