romaguide: enable roamguide for interface client1 by default.

In current gluon this is present when the node has a second
radio interface for 5G wifi. This shall later be replaced
by a mechanism which detects all available AP interfaces.

roamguide/files/etc/config/roamguide

@@ -9,3 +9,14 @@ config roamguide
                                 # and in the final 10000ms
    option forget_time '600' # Forget about a client after 10s
    option enabled '1' # set to '0' to disable this profile
+
+config roamguide
+   option device "client1" # wireless AP device we like to guide
+   list signal '-60' # first penality level
+   list signal '-77' # second penality level
+   list signal '-85' # final penality level
+   option bantime_base '500'    # on the first level ban for 500ms
+   option bantime_factor '2375' # on the second one for 2775ms,
+                                # and in the final 10000ms
+   option forget_time '600' # Forget about a client after 10s
+   option enabled '1' # set to '0' to disable this profile

roamguide/files/usr/bin/roamguide

@@ -75,7 +75,7 @@ client_macs() {
 client_tq() {
   local dev="$1"
   local mac="$2"
-  iw dev "${dev}" station get "${mac}" | grep "signal avg" | xargs | cut -d' ' -f 3
+  iw dev "${dev}" station get "${mac}" 2>/dev/null | grep "signal avg" | xargs | cut -d' ' -f 3
 }
 
 roamguide() {