BehaviorRelay shared with multiple observers produces problematic onSubscribe and onUnSubscribe events

RelaySharedWithMultipleProblematicOnSubscribeAndOnUnSubscribeEvents.java

BehaviorRelay<Integer> brelay = BehaviorRelay.create();
Observable<Integer> relayObservable = brelay
        .doOnSubscribe(() -> {
            Log.i("RxExperiments", "BehaviorRelayProblem->doOnSubscribe");
        }).doOnUnsubscribe(() -> {
            Log.i("RxExperiments", "BehaviorRelayProblem->doOnUnsubscribe");
        });

Log.i("RxExperiments", "BehaviorRelayProblem->observer-1 subscribes");
Subscription subscription1 = relayObservable.subscribe(i -> {
    Log.i("RxExperiments", "BehaviorRelayProblem->observer-1->onNext with " + i);
});
brelay.call(1);

Log.i("RxExperiments", "BehaviorRelayProblem->observer-2 subscribes");
Subscription subscription2 = relayObservable.subscribe(i -> {
    Log.i("RxExperiments", "BehaviorRelayProblem->observer-2->onNext with " + i);
});
brelay.call(2);

Log.i("RxExperiments", "BehaviorRelayProblem->observer-1 unsubscribes");
subscription1.unsubscribe();
Log.i("RxExperiments", "BehaviorRelayProblem->observer-2 unsubscribes");
subscription2.unsubscribe();