LogStash::SizedQueueTimeout::TimeoutError

{:timestamp=>"2016-06-21T03:35:24.176000+0200", :message=>"CircuitBreaker::rescuing exceptions", :name=>"Lumberjack input", :exception=>LogStash::SizedQueueTimeout::TimeoutError, :level=>:warn}
{:timestamp=>"2016-06-21T03:35:24.176000+0200", :message=>"Lumberjack input: The circuit breaker has detected a slowdown or stall in the pipeline, the input is closing the current connection and rejecting new connection until the pipeline recover.", :exception=>LogStash::CircuitBreaker::HalfOpenBreaker, :level=>:warn}