Known Firmware Issue: SP Failover During Upgrading System Firmware From 9.2.1.c or Older to 9.3.0.c or Later (21051993)

When upgrading system firmware from 9.2.1.c or older to 9.3.0.c or later, you may experience an unexpected SP failover during the process.

Workaround: Ignore the SP failover. This behavior does not indicate any problem with the system.