micronaut-security: IpPatterRules throws NPE

When stress testing our service, after some time we get following exception. No rules are configured in app.

micronaut 1.3.2 micronaut-security-jwt 1.3.1

14:29:44.248 [nioEventLoopGroup-1-8] || ERROR i.m.h.s.netty.RoutingInBoundHandler - Unexpected error occurred: null
java.lang.NullPointerException: null
	at io.micronaut.security.rules.IpPatternsRule.check(IpPatternsRule.java:97)
	at io.micronaut.security.filters.SecurityFilter.checkRules(SecurityFilter.java:147)
	at io.micronaut.security.filters.SecurityFilter.lambda$doFilterOnce$3(SecurityFilter.java:125)
	at io.reactivex.internal.operators.flowable.FlowableFlatMap$MergeSubscriber.onNext(FlowableFlatMap.java:132)
	at io.reactivex.internal.subscriptions.DeferredScalarSubscription.complete(DeferredScalarSubscription.java:132)
	at io.reactivex.internal.operators.maybe.MaybeToFlowable$MaybeToFlowableSubscriber.onSuccess(MaybeToFlowable.java:70)
	at io.reactivex.internal.operators.maybe.MaybeDoOnEvent$DoOnEventMaybeObserver.onSuccess(MaybeDoOnEvent.java:86)
	at io.reactivex.internal.operators.flowable.FlowableElementAtMaybe$ElementAtSubscriber.onNext(FlowableElementAtMaybe.java:80)
	at io.reactivex.internal.operators.flowable.FlowableFlatMap$MergeSubscriber.tryEmit(FlowableFlatMap.java:282)
	at io.reactivex.internal.operators.flowable.FlowableFlatMap$InnerSubscriber.onNext(FlowableFlatMap.java:663)
	at io.reactivex.internal.operators.flowable.FlowableSwitchIfEmpty$SwitchIfEmptySubscriber.onNext(FlowableSwitchIfEmpty.java:59)
	at io.reactivex.internal.operators.flowable.FlowableSwitchIfEmpty$SwitchIfEmptySubscriber.onNext(FlowableSwitchIfEmpty.java:59)
	at io.reactivex.internal.operators.flowable.FlowableMap$MapSubscriber.onNext(FlowableMap.java:68)
	at io.reactivex.internal.subscriptions.ScalarSubscription.request(ScalarSubscription.java:55)
	at io.reactivex.internal.subscribers.BasicFuseableSubscriber.request(BasicFuseableSubscriber.java:153)
	at io.reactivex.internal.subscriptions.SubscriptionArbiter.setSubscription(SubscriptionArbiter.java:99)
	at io.reactivex.internal.operators.flowable.FlowableSwitchIfEmpty$SwitchIfEmptySubscriber.onSubscribe(FlowableSwitchIfEmpty.java:51)
	at io.reactivex.internal.subscribers.BasicFuseableSubscriber.onSubscribe(BasicFuseableSubscriber.java:67)
	at io.reactivex.internal.operators.flowable.FlowableJust.subscribeActual(FlowableJust.java:34)
	at io.reactivex.Flowable.subscribe(Flowable.java:14918)
	at io.reactivex.internal.operators.flowable.FlowableMap.subscribeActual(FlowableMap.java:37)
	at io.reactivex.Flowable.subscribe(Flowable.java:14918)
	at io.reactivex.Flowable.subscribe(Flowable.java:14865)
	at io.reactivex.internal.operators.flowable.FlowableScalarXMap$ScalarXMapFlowable.subscribeActual(FlowableScalarXMap.java:160)
	at io.reactivex.Flowable.subscribe(Flowable.java:14918)
	at io.reactivex.internal.operators.flowable.FlowableSwitchIfEmpty.subscribeActual(FlowableSwitchIfEmpty.java:32)
	at io.reactivex.Flowable.subscribe(Flowable.java:14918)
	at io.reactivex.Flowable.subscribe(Flowable.java:14865)
	at io.reactivex.internal.operators.flowable.FlowableSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FlowableSwitchIfEmpty.java:71)
	at io.reactivex.internal.subscribers.BasicFuseableSubscriber.onComplete(BasicFuseableSubscriber.java:120)
	at io.reactivex.internal.subscriptions.EmptySubscription.complete(EmptySubscription.java:69)
	at io.reactivex.internal.operators.flowable.FlowableEmpty.subscribeActual(FlowableEmpty.java:34)
	at io.reactivex.Flowable.subscribe(Flowable.java:14918)
	at io.reactivex.internal.operators.flowable.FlowableMap.subscribeActual(FlowableMap.java:37)
	at io.reactivex.Flowable.subscribe(Flowable.java:14918)
	at io.reactivex.Flowable.subscribe(Flowable.java:14865)
	at io.reactivex.internal.operators.flowable.FlowableScalarXMap$ScalarXMapFlowable.subscribeActual(FlowableScalarXMap.java:160)
	at io.reactivex.Flowable.subscribe(Flowable.java:14918)
	at io.reactivex.internal.operators.flowable.FlowableSwitchIfEmpty.subscribeActual(FlowableSwitchIfEmpty.java:32)
	at io.reactivex.Flowable.subscribe(Flowable.java:14918)
	at io.reactivex.Flowable.subscribe(Flowable.java:14865)
	at io.reactivex.internal.operators.flowable.FlowableFlatMap$MergeSubscriber.onNext(FlowableFlatMap.java:163)
	at io.reactivex.internal.operators.flowable.FlowableFromIterable$IteratorSubscription.slowPath(FlowableFromIterable.java:236)
	at io.reactivex.internal.operators.flowable.FlowableFromIterable$BaseRangeSubscription.request(FlowableFromIterable.java:124)
	at io.reactivex.internal.operators.flowable.FlowableFlatMap$MergeSubscriber.onSubscribe(FlowableFlatMap.java:117)
	at io.reactivex.internal.operators.flowable.FlowableFromIterable.subscribe(FlowableFromIterable.java:69)
	at io.reactivex.internal.operators.flowable.FlowableFromIterable.subscribeActual(FlowableFromIterable.java:47)
	at io.reactivex.Flowable.subscribe(Flowable.java:14918)
	at io.reactivex.internal.operators.flowable.FlowableFlatMap.subscribeActual(FlowableFlatMap.java:53)
	at io.reactivex.Flowable.subscribe(Flowable.java:14918)
	at io.reactivex.internal.operators.flowable.FlowableElementAtMaybe.subscribeActual(FlowableElementAtMaybe.java:36)
	at io.reactivex.Maybe.subscribe(Maybe.java:4290)
	at io.reactivex.internal.operators.maybe.MaybeDoOnEvent.subscribeActual(MaybeDoOnEvent.java:39)
	at io.reactivex.Maybe.subscribe(Maybe.java:4290)
	at io.reactivex.internal.operators.maybe.MaybeToFlowable.subscribeActual(MaybeToFlowable.java:45)
	at io.reactivex.Flowable.subscribe(Flowable.java:14918)
	at io.reactivex.internal.operators.flowable.FlowableFlatMap.subscribeActual(FlowableFlatMap.java:53)
	at io.reactivex.Flowable.subscribe(Flowable.java:14918)
	at io.reactivex.internal.operators.flowable.FlowableSwitchIfEmpty.subscribeActual(FlowableSwitchIfEmpty.java:32)
	at io.reactivex.Flowable.subscribe(Flowable.java:14918)
	at io.reactivex.Flowable.subscribe(Flowable.java:14865)
	at io.reactivex.internal.operators.flowable.FlowableSubscribeOn$SubscribeOnSubscriber.run(FlowableSubscribeOn.java:82)
	at io.reactivex.internal.schedulers.ExecutorScheduler$ExecutorWorker$BooleanRunnable.run(ExecutorScheduler.java:288)
	at io.reactivex.internal.schedulers.ExecutorScheduler$ExecutorWorker.run(ExecutorScheduler.java:253)
	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute$$$capture(AbstractEventExecutor.java:164)
	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java)
	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:472)
	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:497)
	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)
	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)