vcl: improvements to epoll lt

Type: improvement

Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: If585b9c48f67599c56a8c4b4a5139375bc4287f6
diff --git a/src/vcl/vcl_private.c b/src/vcl/vcl_private.c
index 3ed376e..6d1145b 100644
--- a/src/vcl/vcl_private.c
+++ b/src/vcl/vcl_private.c
@@ -133,8 +133,6 @@
   hash_free (wrk->session_index_by_vpp_handles);
   vec_free (wrk->mq_events);
   vec_free (wrk->mq_msg_vector);
-  vec_free (wrk->ep_level_evts);
-  vec_free (wrk->ep_level_evts_fl);
   vec_free (wrk->unhandled_evts_vector);
   vec_free (wrk->pending_session_wrk_updates);
   clib_bitmap_free (wrk->rd_bitmap);
@@ -197,6 +195,7 @@
 	}
     }
 
+  wrk->ep_lt_current = VCL_INVALID_SESSION_INDEX;
   wrk->session_index_by_vpp_handles = hash_create (0, sizeof (uword));
   clib_time_init (&wrk->clib_time);
   vec_validate (wrk->mq_events, 64);