Do not fail if a pod was not restarted

Change-Id: I241e5bd12ac9a349a5eb9f26abc6376716f63af2
diff --git a/jjb/pipeline/voltha-scale-test.groovy b/jjb/pipeline/voltha-scale-test.groovy
index 97b9021..89b2126 100644
--- a/jjb/pipeline/voltha-scale-test.groovy
+++ b/jjb/pipeline/voltha-scale-test.groovy
@@ -370,7 +370,7 @@
           printf '%s\n' $(kubectl get pods -l app=$app -o=jsonpath="{.items[*]['metadata.name']}") | xargs -I@ bash -c "kubectl logs @ > $LOG_FOLDER/@.log"
 
           # Get the logs from the previous POD if any (useful in case of restarts)
-          printf '%s\n' $(kubectl get pods -l app=$app -o=jsonpath="{.items[*]['metadata.name']}") | xargs -I@ bash -c "kubectl logs -p @ > $LOG_FOLDER/@-previous.log"
+          printf '%s\n' $(kubectl get pods -l app=$app -o=jsonpath="{.items[*]['metadata.name']}") | xargs -I@ bash -c "kubectl logs -p @ > $LOG_FOLDER/@-previous.log" || true
         done
 
         # copy the ONOS logs directly from the container to avoid the color codes