-6073389-6074740 avr_isp: pe: "Unknown command: a0 01 fc 00 (reply: 00 a0 01 ff)!"
-6090091-6091442 avr_isp: pe: "Unknown command: a0 01 fd 00 (reply: 00 a0 01 ff)!"
-6106091-6107442 avr_isp: pe: "Unknown command: a0 01 fe 00 (reply: 00 a0 01 ff)!"
-6121409-6122760 avr_isp: pe: "Unknown command: a0 01 ff 00 (reply: 00 a0 01 ff)!"
+6073389-6074740 avr_isp: warning: "Unknown command: a0 01 fc 00 (reply: 00 a0 01 ff)!"
+6090091-6091442 avr_isp: warning: "Unknown command: a0 01 fd 00 (reply: 00 a0 01 ff)!"
+6106091-6107442 avr_isp: warning: "Unknown command: a0 01 fe 00 (reply: 00 a0 01 ff)!"
+6121409-6122760 avr_isp: warning: "Unknown command: a0 01 ff 00 (reply: 00 a0 01 ff)!"