Running BIND 9.16.9 on CentOS 8

I have the following in my .conf
controls {
  inet 127.0.0.1 port 953
    allow { 127.0.0.1; } keys { "mykey"; };
  inet 10.2.0.1 port 953
    allow { 10.2.3.3; 10.2.4.3; }
    keys { "threekey"; "fourkey"; };
};

And I normally can see the named process is listening on tcp:953 on both 127.0.0.1 and 10.2.0.1. But sometimes later, I find it listening only on 127.0.0.1. If I do an 'rndc reconfig', it starts listening again on both addresses. Normal DNS service has continued uninterrupted.

I can't find footprints left from anything falling down. I'd could just install a watchdog to 'reconfig' whenever port 953 stops answering, but I'd rather figure out why it is stopping and correct the problem. To do that, I need more information.

Am I not looking in the correct log?
Do I need to crank up the logging level for something?
If so, for what? and how high?

--
--
Do things because you should, not just because you can.

John Thurston    907-465-8591
john.thurs...@alaska.gov
Department of Administration
State of Alaska
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