BF2 DPU shows "unclaimed"

I have the following message when checking for the status of the DPU. I have 2 other DPUs working fine but this one shows “unclaimed”. How can I fix this ?

*-network:1 UNCLAIMED
description: Ethernet controller
product: MT42822 BlueField-2 integrated ConnectX-6 Dx network controller
vendor: Mellanox Technologies
physical id: 0.1
bus info: pci@0000:37:00.1
version: 01
width: 64 bits
clock: 33MHz
capabilities: cap_list
configuration: latency=0
resources: memory:e6000000-e7ffffff memory:e8800000-e8ffffff memory:cbffc000000-cbffdffffff

I was able to fix this by re-setting the driver

sudo mlxfwreset -d /dev/mst/mt41686_pciconf0 -l 3 -y reset

then rebooted both the server and the NIC

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