Refactoring ID creation for netconf and REST

Change-Id: I4165ad53e19c86d9d9b304d09e24dcfeec2b9ddf
diff --git a/tools/test/configs/netconf-cfg.json b/tools/test/configs/netconf-cfg.json
index 3397cd1..29bdb46 100644
--- a/tools/test/configs/netconf-cfg.json
+++ b/tools/test/configs/netconf-cfg.json
@@ -1,6 +1,6 @@
 {
   "devices":{
-    "netconf:mininet@10.1.9.24:830":{
+    "netconf:10.1.9.24:830":{
       "basic":{
         "driver":"ovs-netconf"
       }