Use slf4j for Hazelcast logging.
diff --git a/start-onos-embedded.sh b/start-onos-embedded.sh
index 785ad9d..afe8f85 100755
--- a/start-onos-embedded.sh
+++ b/start-onos-embedded.sh
@@ -26,6 +26,7 @@
 		-Dcom.sun.management.jmxremote.port=7199 \
 		-Dcom.sun.management.jmxremote.ssl=false \
 		-Dcom.sun.management.jmxremote.authenticate=false"
+JVM_OPTS="$JVM_OPTS -Dhazelcast.logging.type=slf4j"
 
 #JVM_OPTS="$JVM_OPTS -Dpython.security.respectJavaAccessibility=false"