Updated Soak Pod Log Level to WARN for DT

Change-Id: I2cd41e251aa0aa4c4c04a1662ec9816b99e25f59
diff --git a/jjb/voltha-test/voltha.yaml b/jjb/voltha-test/voltha.yaml
index 6cb85ae..8a8d87e 100644
--- a/jjb/voltha-test/voltha.yaml
+++ b/jjb/voltha-test/voltha.yaml
@@ -304,6 +304,7 @@
           reinstall-olt: true
           num-of-onus: 32
           num-of-ponports: 16
+          logLevel: 'WARN'
 
       # ONF Menlo Soak POD test job - voltha-master branch
       # FIXME once the soak-pod is back use 'build_voltha_pod_test'