Broadcom BCM57504 (100G) bnxt_en TX timeout and NIC reset on Proxmox 8.1.5 — while BCM57414 (25G) works fine on same host

I have a similar issue with the following hardware:
  • Mainboard: Supermicro H12SSL-NT
  • NIC: Broadcom BCM57416 NetXtreme-E 10GBase-T Ethernet
Since I updated to the latest kernel, 7.0.14-20-pve, it happened two times:
  • First occurrence was 1.5 hours after booting
    and
  • second occurrence was 1 hour after booting.

Before that I had 7.0.14-15-pve and with that it never happened.

I reverted to 7.0.14-15-pve now and so far the issue did not reoccur. I will post an update if that changes.

Attached is an excerpt of my system log from the time when it happened and my /etc/network/interfaces file.
 

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