Using images to resolve OLT flow concurrency and investigate DHCP failures

Change-Id: I60bd8f485e6f800bda1a7b860b05dcb802b28637
diff --git a/jjb/voltha-scale.yaml b/jjb/voltha-scale.yaml
index c1904ea..bb21e61 100644
--- a/jjb/voltha-scale.yaml
+++ b/jjb/voltha-scale.yaml
@@ -67,7 +67,8 @@
           atomixReplicas: 3
           extraHelmFlags: '--set debug=true,authRetry=true'
           withPcap: true
-          onosImg:  andreacampanella/voltha-onos:aaa-identifier-cleanup-pier-socket
+          onosImg:  matteoscandolo/voltha-onos:eapol-delay
+          bbsimImg: matteoscandolo/bbsim:nni-packet-logs
           openoltAdapterImg:  gcgirish/voltha-openolt-adapter:flowChanPerSub
           rwCoreImg: matteoscandolo/voltha-rw-core:sync-delete
           radiusChart: /home/cord/helm-charts/freeradius