From c00407bf40e6750952d1a12d6a3a5ef706cefd04 Mon Sep 17 00:00:00 2001
From: Hayato Kiwata <dev@haytok.jp>
Date: Tue, 22 Sep 2026 00:38:37 +0900
Subject: [PATCH] fix(pasta): remove --stderr option

According to the passt commit ([1]) and source code ([2]), --stderr does
nothing and is deprecated.

Therefore, this commit removes the option.

[1] https://passt.top/passt/commit/?id=bca0fefa32e083ab46a49989f225ec34e7cdbb8c
[2] https://passt.top/passt/tree/conf.c?id=588b545dae741bec6fd7622a33c7852c06d72a59#n1575

Signed-off-by: Hayato Kiwata <dev@haytok.jp>
---
 pkg/network/pasta/pasta.go | 1 -
 1 file changed, 1 deletion(-)

diff --git a/pkg/network/pasta/pasta.go b/pkg/network/pasta/pasta.go
index 3bb3a8c3..b64a36c8 100644
--- a/pkg/network/pasta/pasta.go
+++ b/pkg/network/pasta/pasta.go
@@ -164,7 +164,6 @@ func (d *parentDriver) ConfigureNetwork(childPID int, stateDir, detachedNetNSPat
 	}
 
 	opts := []string{
-		"--stderr",
 		"--ns-ifname=" + d.ifname,
 		"--mtu=" + strconv.Itoa(d.mtu),
 		"--config-net",