T3: CLI enhancements and absent group buckets fix
- Print the packet in the H2H command
- Print Ip next to the hosts in pingall
- Fixed wrong output when there is an error due to group buckets missing

Change-Id: Iaf33fa6608565aa5e735e0fc7c8efc45c8a9bb31
(cherry picked from commit c108337ae0121b892c67f52bdd4ea1c15d20924c)
diff --git a/apps/t3/src/main/java/org/onosproject/t3/cli/TroubleshootSimpleTraceCommand.java b/apps/t3/src/main/java/org/onosproject/t3/cli/TroubleshootSimpleTraceCommand.java
index 3674e32..971163b 100644
--- a/apps/t3/src/main/java/org/onosproject/t3/cli/TroubleshootSimpleTraceCommand.java
+++ b/apps/t3/src/main/java/org/onosproject/t3/cli/TroubleshootSimpleTraceCommand.java
@@ -65,6 +65,7 @@
         //Build the trace
         StaticPacketTrace trace = service.trace(HostId.hostId(srcHost), HostId.hostId(dstHost), type);
         if (trace.getInitialPacket() != null) {
+            print("Tracing Packet: %s", trace.getInitialPacket());
             print("%s", T3CliUtils.printTrace(trace, verbosity1, verbosity2));
         } else {
             print("Cannot obtain trace between %s and %s", srcHost, dstHost);