diff --git a/net/core/dev.c b/net/core/dev.c
index a4306f7..b668a3d 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2608,6 +2608,8 @@
 			}
 		}
 		break;
+	case IPPROTO_IPIP:
+		goto again;
 	default:
 		break;
 	}