Hi,
You have 3 devices so please set
--massflash 3
And for first massflash please set –keep:
sudo ionice -c 1 -n 0 ./tools/kernel_flash/l4t_initrd_flash.sh --flash-only --massflash 3 --network usb0 --keep
And then please set –reuse:
sudo ionice -c 1 -n 0 ./tools/kernel_flash/l4t_initrd_flash.sh --flash-only --massflash 3 --network usb0 --reuse