I am trying to learn all the technical aspects of mining bitcoin, and am trying to break the process down piece by piece while it is in motion

I appear to be successfully hashing latest block on Bitcoin with my setup:
Dedicated Bitcoin core, BFGMiner with stratum proxy, Antminer S9 connected and hashing

I am fairly happy that I have gotten this far but want to really dig in more, I want to "see" more of what is happening almost like opening up a running transmission on a car

Also,
My Antminer S9 reboots itself it seems every 15minutes. Why is this? What can I do to keep it running consistently without rebooting? It runs fine on ckpool, no reboots just chugs along happily.

How do I interpret the logfile?

[2021-03-14 17:21:02] SSM: RECV: {"params": ["anonymous", "604e9a32-0", "e4d7", "604e9a32", "657fec6e"], "id": 6436, "method": "mining.submit"}
[2021-03-14 17:21:02] Generated stratum header 20000000fa0a6ddbd906875ff1183cc324a13bd14c8c7e58000134470000000000000000e9f71c6 acf38e73e9b54647a4eb0d951f97f02268d3f782a5d84380166b90c59604e9a5d170d1f8c000000 00
[2021-03-14 17:21:02] Work job_id (null) nonce2 bbffe4d7
[2021-03-14 17:21:02] Proof: 0000000003d280b1c2dcd3d21a00ff9468c2ad8cd75f4e9d91d60215f68044c5
Target: 0000000000000000000d1f8c0000000000000000000000000000000000000000
TrgVal? no (false positive; hash > target)

Does anyone have any ideas how I can pull the block header data out of BFGMiner so that I can see what it is really working on?

I am concerned that possibly everytime bitcoind issues a new createnewblock string that BFGMiner drops the work it was doing and starts on this new data without a new block having been found
on the blockchain

I have plenty of questions to ask but hopefully this initial post can shed some light on these first

Thanks

100sIg00sI

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