diff --git a/packages/network/connman/init.d/21_network b/packages/network/connman/init.d/21_network
index ba51932e8f..04fd72937d 100644
--- a/packages/network/connman/init.d/21_network
+++ b/packages/network/connman/init.d/21_network
@@ -63,10 +63,17 @@ fi
     mkdir -p /var/lib/connman
 
   # NETWORK: ( LAN / WLAN )
-    usleep 2000000 # TODO: wait on udev to load all drivers
 
-    [ -f /sys/class/net/$IFACE/address ] && \
-      IFACE=`cat /sys/class/net/$IFACE/address | sed 's/://g'`
+    for i in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19; do
+      if [ ! -f /sys/class/net/$IFACE/address ]; then
+        logger -t Connman "### [$i] cannot find /sys/class/net/$IFACE/address ###"
+      else
+        logger -t Connman "### [$i] found /sys/class/net/$IFACE/address, continue ###"
+        IFACE=`cat /sys/class/net/$IFACE/address | sed 's/://g'`
+        break
+      fi
+      usleep 500000
+    done
 
     if [ "$NETWORK" = "WLAN" -a -n "$SSID" ]; then
       SSID_HEX=`echo -n "$SSID" | od -tx1 | cut -c8-| tr -d ' \n'`