Can't change memory clock on the second GPU

I use Fedora 35 with Nvidia driver and cuda v510.062 with 2x 1660Ti GPUs which are recognized, and working well.
I can modify power limit for both OK, I can modify Core clock for both with no problem via nvidia-smi
so
nvidia-smi -lgc 1200
I see nvidia-smi -lmc 7600 (is not supported)
so I tried with nvidia-settings

nvidia-settings --verbose=all -c :0 -a [gpu:1]/GPUGraphicsClockOffsetAllPerformanceLevels=-100

WARNING: Failed to match any targets for target specification 'gpu:2', specified in assignment '[gpu:2]/GPUMemoryTransferRateOffset[3]=2200'

it works for gpu:0

nvidia-settings  --verbose=all -a '[gpu:0]/GPUMemoryTransferRateOffset[3]=2200'

Unhandled integer attribute GPUMemoryTransferRateOffset (410) of GPU (0) (set to 2200)
  Attribute 'GPUMemoryTransferRateOffset' (s5:0[gpu:0]) assigned value 2200.

I tried with no luck
nvidia-settings -c :0 -a ‘[gpu:1]/GPUMemoryTransferRateOffset[1]=2200’
nvidia-settings -c :0 -a ‘[gpu:1]/GPUMemoryTransferRateOffset[2]=2200’
nvidia-settings -c :0 -a ‘[gpu:1]/GPUMemoryTransferRateOffset[3]=2200’
nvidia-settings -c :0 -a ‘[gpu:1]/GPUMemoryTransferRateOffset[4]=2200’

Any clues?
Thanks