Capturing infra logs in bbsim based pipeline

Change-Id: I928b042a37e3a067dc9f8b013f2576d1ac61fecc
diff --git a/jjb/pipeline/voltha/master/bbsim-tests.groovy b/jjb/pipeline/voltha/master/bbsim-tests.groovy
index acde129..8726f75 100755
--- a/jjb/pipeline/voltha/master/bbsim-tests.groovy
+++ b/jjb/pipeline/voltha/master/bbsim-tests.groovy
@@ -49,7 +49,7 @@
 
           sh """
           mkdir -p $WORKSPACE/${testTarget}-components
-          _TAG=kail-startup kail -n infra -n voltha > $WORKSPACE/${testTarget}-components/onos-voltha-startup-combined.log &
+          _TAG=kail-startup kail -n ${infraNamespace} -n ${volthaNamespace} > $WORKSPACE/${testTarget}-components/onos-voltha-startup-combined.log &
           """
 
           // if we're downloading a voltha-helm-charts patch, then install from a local copy of the charts