From c27761322c3348172de863d1a8f9b5406e84596f Mon Sep 17 00:00:00 2001
From: Ruakij <ruakij@ruekov.eu>
Date: Mon, 29 Nov 2021 13:18:29 +0100
Subject: [PATCH] Catch start-error from tcpdump tcpdump writes to stderr at
 the beginning

---
 src/main.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/main.js b/src/main.js
index 2c5f785..e7a732e 100644
--- a/src/main.js
+++ b/src/main.js
@@ -71,7 +71,8 @@ if(errorMsg){
   logger.debug("Attaching error-logger..");
   const loggerTcpdump = logFactory("tcpdump");
   proc.stderr.setEncoding("utf8").on("data", (data) => {
-    loggerTcpdump.error(data);
+    if(!data.match(/^(tcpdump: )?listening on /i))  // Catch start-error
+        loggerTcpdump.error(data);
   });
 
   logger.debug("Attaching exit-handler..");