vcl: accept bound notifications in epoll wait

Async binds may be possible due to vls generated async binds as a result
of application adding or removing listeners from epoll.

App does not need to be notified of the event.

Type: improvement

Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: I4d01be7ddb39ba894db85feef55e9935556c24f5
diff --git a/src/vcl/vppcom.c b/src/vcl/vppcom.c
index d51f69f..189e16a 100644
--- a/src/vcl/vppcom.c
+++ b/src/vcl/vppcom.c
@@ -3143,6 +3143,9 @@
       session_evt_data = s->vep.ev.data.u64;
 
       break;
+    case SESSION_CTRL_EVT_BOUND:
+      vcl_session_bound_handler (wrk, (session_bound_msg_t *) e->data);
+      break;
     case SESSION_CTRL_EVT_RESET:
       if (!e->postponed)
 	{