mwan3: add log message if l3 interface is not up

Add log message.

Signed-off-by: Florian Eckert <redacted>

diff --git a/net/mwan3/files/lib/mwan3/mwan3.sh b/net/mwan3/files/lib/mwan3/mwan3.sh
index 8858f9312181f8487f909bae3080c478890601be..7865fcf380aa9111b8be99eeee85be7b852589f4 100644 (file)
--- a/net/mwan3/files/lib/mwan3/mwan3.sh
+++ b/net/mwan3/files/lib/mwan3/mwan3.sh
@@ -1055,6 +1055,8 @@ mwan3_ifup()
        }
 
        if [ "$up" != "1" ] || [ -z "$l3_device" ]; then
+               echo "The network interace '${interface}' is not up."
+               echo "Please execute 'ifup ${interface}' first."
                return
        fi