def log_event(self, event, payload=None):
        return self
Function to process the cached arp entries.
dataset/ETHPy150Open opentracing/opentracing-python/opentracing/span.py/Span.log_event--crossover with--dataset/ETHPy150Open openstack/neutron/neutron/agent/l3/dvr_local_router.py/DvrLocalRouter._process_arp_cache_for_internal_port