I started noticing these in our logs after upgrading to 6.1 and I'm not sure what to make of it. Is this anything that we should be concern about? Thank you in advanced!
[INFO ] 2018-01-02 01:33:20.871 [defaultEventExecutorGroup-5-8] BeatsHandler - [local: 0.0.0.0:5044, remote: undefined] Exception: null
[INFO ] 2018-01-02 01:33:20.872 [defaultEventExecutorGroup-5-8] BeatsHandler - [local: 0.0.0.0:5044, remote: undefined] Exception: null
[INFO ] 2018-01-02 01:33:20.872 [defaultEventExecutorGroup-5-8] BeatsHandler - [local: 0.0.0.0:5044, remote: undefined] Exception: null
[INFO ] 2018-01-02 01:33:20.872 [defaultEventExecutorGroup-5-8] BeatsHandler - [local: 0.0.0.0:5044, remote: undefined] Exception: null
[INFO ] 2018-01-02 01:33:20.872 [defaultEventExecutorGroup-5-8] BeatsHandler - [local: 0.0.0.0:5044, remote: undefined] Exception: null
[INFO ] 2018-01-02 01:33:20.872 [defaultEventExecutorGroup-5-8] BeatsHandler - [local: 0.0.0.0:5044, remote: undefined] Exception: null
[INFO ] 2018-01-02 01:33:20.872 [defaultEventExecutorGroup-5-8] BeatsHandler - [local: 0.0.0.0:5044, remote: undefined] Exception: null
[INFO ] 2018-01-02 01:33:20.872 [defaultEventExecutorGroup-5-8] BeatsHandler - [local: 0.0.0.0:5044, remote: undefined] Exception: null
[INFO ] 2018-01-02 01:33:20.872 [defaultEventExecutorGroup-5-8] BeatsHandler - [local: 0.0.0.0:5044, remote: undefined] Exception: null
[INFO ] 2018-01-02 01:33:20.872 [defaultEventExecutorGroup-5-8] BeatsHandler - [local: 0.0.0.0:5044, remote: undefined] Exception: null
[INFO ] 2018-01-02 01:33:20.872 [defaultEventExecutorGroup-5-8] BeatsHandler - [local: 0.0.0.0:5044, remote: undefined] Exception: null
[INFO ] 2018-01-02 01:33:43.255 [defaultEventExecutorGroup-5-13] BeatsHandler - [local: 0.0.0.0:5044, remote: undefined] Exception: null
[INFO ] 2018-01-02 01:33:43.256 [defaultEventExecutorGroup-5-13] BeatsHandler - [local: 0.0.0.0:5044, remote: undefined] Exception: null
[INFO ] 2018-01-02 01:33:43.256 [defaultEventExecutorGroup-5-13] BeatsHandler - [local: 0.0.0.0:5044, remote: undefined] Exception: null
[INFO ] 2018-01-02 01:33:43.256 [defaultEventExecutorGroup-5-13] BeatsHandler - [local: 0.0.0.0:5044, remote: undefined] Exception: null
[INFO ] 2018-01-02 01:34:01.578 [defaultEventExecutorGroup-5-15] BeatsHandler - [local: 0.0.0.0:5044, remote: undefined] Exception: null
[INFO ] 2018-01-02 01:34:01.596 [defaultEventExecutorGroup-5-15] BeatsHandler - [local: 0.0.0.0:5044, remote: undefined] Exception: null
[INFO ] 2018-01-02 01:34:01.597 [defaultEventExecutorGroup-5-15] BeatsHandler - [local: 0.0.0.0:5044, remote: undefined] Exception: null