Parameter poc-type missing on jetson though mentioned in the documentation

The documentation from this link:

Says the following:

Applies to: Jetson Xavier NX, Jetson Nano, Jetson AGX Xavier series, and Jetson TX2 series devices

The following values are supported for the poc-type property:

But when I use the parameter poc-type on my jetson nano:

gst-launch-1.0 -e nvarguscamerasrc ! ‘video/x-raw(memory:NVMM), width=1280, height=720, framerate=60/1’ ! nvv4l2h264enc bitrate=4000000 profile=0 iframeinterval=1 poc-type=2 ! video/x-h264, stream-format=byte-stream, profile=baseline ! filesink location=lol.h264

I get the following error message:

WARNING: erroneous pipeline: no property “poc-type” in element “nvv4l2h264enc0”

E.g a parameter listed in the documentation and of high importance to me is missing in the implementation on my jetson nano. Default firmware.

The implementation will be present in next r32.5.