Packet IN handler thread in deadlock after high ARP rate

Due to high ARP rate the notification queue fills up quickly.
ArpUtilService gets stuck on the blocking method putNotification() forever

Thread dump:
"pool-15-thread-1" #185 prio=5 os_prio=0 tid=0x00000000013ef800 nid=0x3057 runnable [0x00007f92a857d000]
java.lang.Thread.State: TIMED_WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:338)
at com.lmax.disruptor.MultiProducerSequencer.next(MultiProducerSequencer.java:136)
at com.lmax.disruptor.MultiProducerSequencer.next(MultiProducerSequencer.java:105)
at com.lmax.disruptor.RingBuffer.next(RingBuffer.java:253)
at org.opendaylight.controller.md.sal.dom.broker.impl.DOMNotificationRouter.putNotification(DOMNotificationRouter.java:202)
at Proxya20eb9ef_033e_4602_ba27_a76d4290fa59.putNotification(Unknown Source)
at org.opendaylight.controller.md.sal.binding.impl.BindingDOMNotificationPublishServiceAdapter.putNotification(BindingDOMNotificationPublishServiceAdapter.java:51)
at org.opendaylight.genius.arputil.internal.ArpUtilImpl.fireArpReqRecvdNotification(ArpUtilImpl.java:620)
at org.opendaylight.genius.arputil.internal.ArpUtilImpl.onPacketReceived(ArpUtilImpl.java:501)
at java.lang.invoke.LambdaForm$DMH/266922253.invokeInterface_LL_V(LambdaForm$DMH)
at java.lang.invoke.LambdaForm$BMH/1678808217.reinvoke(LambdaForm$BMH)
at java.lang.invoke.LambdaForm$MH/732849773.invokeExact_MT(LambdaForm$MH)
at org.opendaylight.yangtools.yang.binding.util.NotificationListenerInvoker.invokeNotification(NotificationListenerInvoker.java:91)
at org.opendaylight.controller.md.sal.binding.impl.BindingDOMNotificationListenerAdapter.onNotification(BindingDOMNotificationListenerAdapter.java:44)
at org.opendaylight.controller.md.sal.dom.broker.impl.DOMNotificationRouterEvent.deliverNotification(DOMNotificationRouterEvent.java:56)
at org.opendaylight.controller.md.sal.dom.broker.impl.DOMNotificationRouter$1.onEvent(DOMNotificationRouter.java:68)
at org.opendaylight.controller.md.sal.dom.broker.impl.DOMNotificationRouter$1.onEvent(DOMNotificationRouter.java:65)
at com.lmax.disruptor.BatchEventProcessor.run(BatchEventProcessor.java:129)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)

Need to consider using offerNotification rather than putNotification which is time-bounded or separate to other thread