fib: Set the GLEAN flag on attached export routes so that the SAS works
correctly.

Type: fix

Signed-off-by: Neale Ranns <neale@graphiant.com>
Change-Id: I4bc2eb394a8f9d01c5a12de2ce963c22209d5439
diff --git a/test/test_gbp.py b/test/test_gbp.py
index 21d0770..c30a729 100644
--- a/test/test_gbp.py
+++ b/test/test_gbp.py
@@ -1004,7 +1004,7 @@
             self.logger.info(self.vapi.cli("sh gbp endpoint"))
 
             # ... results in a Gratuitous ARP/ND on the EPG's uplink
-            rx = ep.epg.uplink.get_capture(len(ep.ips), timeout=0.2)
+            rx = ep.epg.uplink.get_capture(len(ep.ips) + 1, timeout=0.2)
 
             for ii, ip in enumerate(ep.ips):
                 p = rx[ii]