hsa: cleanup sock server test

Type: refactor

Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: I769174f0023d00a59bc5a03cf0a05996b616742b
diff --git a/src/vnet/session/session_node.c b/src/vnet/session/session_node.c
index 54919d8..346b9f4 100644
--- a/src/vnet/session/session_node.c
+++ b/src/vnet/session/session_node.c
@@ -61,7 +61,7 @@
   a->sep_ext.transport_flags = mp->flags;
 
   if ((rv = vnet_listen (a)))
-    clib_warning ("listen returned: %d", rv);
+    clib_warning ("listen returned: %U", format_session_error, rv);
 
   app_wrk = application_get_worker (app, mp->wrk_index);
   mq_send_session_bound_cb (app_wrk->wrk_index, mp->context, a->handle, rv);