From c226c1d902c5dc7ded799c06f28f0f4dd75d683b Mon Sep 17 00:00:00 2001
From: William Wernert <william.wernert@securityonionsolutions.com>
Date: Mon, 16 Nov 2020 11:30:47 -0500
Subject: [PATCH] [fix] Redirect stderr when checking for link state

---
 setup/so-common-functions | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/setup/so-common-functions b/setup/so-common-functions
index bbe3589ed..8bdf09374 100644
--- a/setup/so-common-functions
+++ b/setup/so-common-functions
@@ -24,7 +24,7 @@ filter_unused_nics() {
 	
 	nic_list=()
 	for nic in "${filtered_nics[@]}"; do
-		case $(cat "/sys/class/net/${nic}/carrier") in
+		case $(cat "/sys/class/net/${nic}/carrier" 2>/dev/null) in
 			1)
 				nic_list+=("$nic" "Link UP " "OFF")
 				;;