03:26:17,334 AM [testsystem-pekko.actor.default-dispatcher-6] [INFO] Slf4jLogger - Slf4jLogger started
03:26:17,609 AM [testsystem-pekko.actor.default-dispatcher-8] [INFO] RepointableActorRef -  pekkoDeadLetter Message [java.lang.String] from Actor[pekko://testsystem/system/testActor-13#-484674750] to Actor[pekko://testsystem/user/pingpongactor#-508086798] was not delivered. [1] dead letters encountered. If this is not an expected behavior then Actor[pekko://testsystem/user/pingpongactor#-508086798] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'.
03:26:17,610 AM [testsystem-pekko.actor.default-dispatcher-8] [INFO] CoordinatedShutdown - Running CoordinatedShutdown with reason [ActorSystemTerminateReason]