Failed to flash Jetpack 6.0 Rev2

Hi,
I am using Orin NX 8G with Jetpack 5.1.1 and would like to upgrade the image to the latest 6.0 Rev2 on NVMe drive.
running SDKManager on an ubuntu host, connecting through USB; it always failed when doing “Flash Jetson device” at 91%.
logs
export logs attached.

Hi,

18:51:04.532 - Info: Timeout
18:51:04.532 - Info: Device failed to boot to the initrd flash kernel. Please retrive the serial log during flashing to debug further.
18:51:04.532 - Info: 
18:51:04.533 - Info: Cleaning up...

The log told you to do this:

Also, please make sure you are using a DevKit (Orin Nano DevKit) so it can be correctly flashed with SDKM, or please ask the board vendor for help if you are using a custom carrier board.