session: default to using memfd mq segments

First step towards deprecating the use of binary api's segment for mq
allocation.

Type: improvement

Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: I9d3d17e4d406575d64e0426bb65465130a84980a

src/vnet/session/session.c

@@ -1818,6 +1818,7 @@ session_main_init (vlib_main_t * vm)
 #endif
 
   smm->last_transport_proto_type = TRANSPORT_PROTO_QUIC;
+  smm->evt_qs_use_memfd_seg = 1;
 
   return 0;
 }