Be more forgiving about the number of expected flows

Change-Id: I4504126cdc60a75249af7c7dfec27e765c213e59
diff --git a/tools/test/scenarios/net-trellis-p4-smoke.xml b/tools/test/scenarios/net-trellis-p4-smoke.xml
index cb80cd7..8b767dd 100644
--- a/tools/test/scenarios/net-trellis-p4-smoke.xml
+++ b/tools/test/scenarios/net-trellis-p4-smoke.xml
@@ -45,7 +45,7 @@
         <!-- Check additional flow rules for discovered hosts -->
         <step name="Net-Trellis-P4-Smoke.Check-Summary-2"
               requires="Net-Trellis-P4-Connectivity-Host-Discovery" delay="3"
-              exec="onos-check-summary ${OC1} [0-9]* 4 8 4 136"/>
+              exec="onos-check-summary ${OC1} [0-9]* 4 8 4 1[0-9][0-9]"/>
 
         <dependency name="Net-Trellis-P4-Connectivity-Bridging"
                     requires="Net-Trellis-P4-Smoke.Check-Summary-2"/>