Fixing BBR logging

Change-Id: Iac274dcc12a711fdbc1454fcf36b6b9fdd2c61ed
diff --git a/Makefile b/Makefile
index 5c555f9..48ce867 100644
--- a/Makefile
+++ b/Makefile
@@ -98,7 +98,7 @@
 test-bbr: release-bbr docker-build # @HELP Validate that BBSim and BBR are working together
 	DOCKER_RUN_ARGS="-pon 2 -onu 2" make docker-run
 	sleep 5
-	./$(RELEASE_DIR)/$(RELEASE_BBR_NAME)-linux-amd64 -pon 2 -onu 2
+	./$(RELEASE_DIR)/$(RELEASE_BBR_NAME)-linux-amd64 -pon 2 -onu 2 -logfile tmp.logs
 	docker rm -f bbsim
 
 mod-update: # @HELP Download the dependencies to the vendor folder