session/vcl: support worker ownership change for listeners

Change-Id: I2ad54b20b96f10b009c3e651b2a2f885577ca5b6
Signed-off-by: Florin Coras <fcoras@cisco.com>
diff --git a/src/vnet/session/session_api.c b/src/vnet/session/session_api.c
index 2decd9b..51b8ba9 100755
--- a/src/vnet/session/session_api.c
+++ b/src/vnet/session/session_api.c
@@ -719,12 +719,13 @@
       mp->lcl_is_ip4 = session_type_is_ip4 (local->session_type);
     }
 
+  vpp_evt_q = session_manager_get_vpp_event_queue (0);
+  mp->vpp_evt_q = pointer_to_uword (vpp_evt_q);
+
   if (ls && session_transport_service_type (ls) == TRANSPORT_SERVICE_CL)
     {
       mp->rx_fifo = pointer_to_uword (ls->server_rx_fifo);
       mp->tx_fifo = pointer_to_uword (ls->server_tx_fifo);
-      vpp_evt_q = session_manager_get_vpp_event_queue (0);
-      mp->vpp_evt_q = pointer_to_uword (vpp_evt_q);
     }
 
 done: