diff -Nupr src.orig/net/core/dev.c src/net/core/dev.c
--- src.orig/net/core/dev.c	2023-05-18 13:26:13.486170583 -0400
+++ src/net/core/dev.c	2023-05-18 13:26:31.948148828 -0400
@@ -5440,6 +5440,7 @@ skip_classify:
 		case RX_HANDLER_PASS:
 			break;
 		default:
+			printk("BUG!\n");
 			BUG();
 		}
 	}