Change VNI to segId in OpenstackNetworkList command.

Change-Id: Ifd6610a6673cff915fc5b710a75d17c5d85be5ac
diff --git a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackNetworkListCommand.java b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackNetworkListCommand.java
index 4784da8..3a68356 100644
--- a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackNetworkListCommand.java
+++ b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackNetworkListCommand.java
@@ -50,7 +50,7 @@
         if (outputJson()) {
             print("%s", json(networks));
         } else {
-            print(FORMAT, "ID", "Name", "Network Mode", "VNI", "Subnets", "HostRoutes");
+            print(FORMAT, "ID", "Name", "Network Mode", "SegId", "Subnets", "HostRoutes");
             for (Network net: networks) {
                 List<Subnet> subnets = service.subnets().stream()
                         .filter(subnet -> subnet.getNetworkId().equals(net.getId()))