Hi Larkin,
What is the driver version installed on the baremetal & affected guest?
What is the firmware version on the baremetal?
Please make sure to use latest MLNX_OFED and firmware.
MLNX_OFED 5.0-2.1.8.0:
https://www.mellanox.com/products/infiniband-drivers/linux/mlnx_ofed
Latest firmware for MCX354A-FCBT is v2.42.5000:
https://www.mellanox.com/support/firmware/connectx3ib
Regards,
Chen