Correct CIDR range for kubemark

cluster/kubemark/gce/config-default.sh

@@ -45,7 +45,7 @@ MASTER_NAME="${INSTANCE_PREFIX}-kubemark-master"
 MASTER_TAG="kubemark-master"
 EVENT_STORE_NAME="${INSTANCE_PREFIX}-event-store"
 MASTER_IP_RANGE="${MASTER_IP_RANGE:-10.246.0.0/24}"
-CLUSTER_IP_RANGE="${CLUSTER_IP_RANGE:-10.240.0.0/11}"
+CLUSTER_IP_RANGE="${CLUSTER_IP_RANGE:-10.224.0.0/11}"
 RUNTIME_CONFIG="${KUBE_RUNTIME_CONFIG:-}"
 TERMINATED_POD_GC_THRESHOLD=${TERMINATED_POD_GC_THRESHOLD:-100}