Problem was solved when i did reboot of my BlueField with mlnx_fw_updater.pl according to this post Failed to run simple_fwd_vnf DOCA application in BlueField-2
/opt/mellanox/mlnx-fw-updater/mlnx_fw_updater.pl
After i load bf-bundle image DPU was still running 24.35.1006 version of FW, but new version 24.46.1006 was installed. You can check the installed and running version by
mlxburn query -d /dev/mst/mt41686_pciconf0