setup_network: Fix the script

scripts/setup_network.sh

@@ -7,7 +7,7 @@ nmcli d wifi connect $SSID password $WIFIPASS
 nmcli con mod "$SSID" connection.autoconnect yes ipv4.method manual ipv4.addresses 192.168.3.1/24 ipv4.gateway 192.168.3.100
 nmcli -t c up "$SSID"
 
-if ! ip a s dev eth0 | grep -q "does not exist";then
+if ! ip a s dev eth0 2>&1 | grep -q "does not exist";then
 	if ! nmcli con | grep -q "Wired connection eth0";then
 	    nmcli connection add  type ethernet ifname eth0 con-name "Wired connection eth0"
 	fi
@@ -15,7 +15,7 @@ if ! ip a s dev eth0 | grep -q "does not exist";then
 	nmcli -t c up "Wired connection eth0"
 fi
 
-if ! ip a s dev eth1 | grep -q "does not exist";then
+if ! ip a s dev eth1 2>&1 | grep -q "does not exist";then
 
 	if ! nmcli con | grep -q "Wired connection eth1";then
 	    nmcli connection add  type ethernet ifname eth1 con-name "Wired connection eth1"