Mst start for BF2 DPU fails

root@ws2030077303:/home/user# mst start
Starting MST (Mellanox Software Tools) driver set
Loading MST PCI modulemodprobe: ERROR: could not insert ‘mst_pci’: Exec format error

  • Failure: 1
    Loading MST PCI configuration modulemodprobe: ERROR: could not insert ‘mst_pciconf’: Exec format error
  • Failure: 1
    Create devices

mst_pci driver not found
Unloading MST PCI module (unused) - Success
Unloading MST PCI configuration module (unused) - Success

is there any way to identify the reason for failure , anything to be installed before this step .