Fixed ARP issue that affected VmWare with Adavanced Network Zone that use Multiple vSwitches

patches/systemvm/debian/config/etc/init.d/cloud-early-config

@@ -364,6 +364,11 @@ setup_common() {
       ping -n -c 3 $LOCAL_GW &
       sleep 3
       pkill ping
+      #This code is added to address ARP issue by pinging MGMT_GW
+      MGMT_GW=$(echo $MGMTNET | awk -F "." '{print $1"."$2"."$3".1"}')
+      ping -n -c 3 $MGMT_GW &
+      sleep 3
+      pkill ping
   fi
 }