Nvenc error on aarch64

Successfully compiled Video SDK Samples using nvidia/cuda-arm64 docker.

but when I try to execute the output binary, following messages occur,

./AppEncLowLatency -i out.yuv -s 1080x1920

GPU in use: Quadro P2200
low latency encode with bit rate change
[INFO ][15:17:40] Encoding Parameters:
	codec        : h264
	preset       : p3
	tuningInfo   : ultralowlatency
	profile      : (default)
	chroma       : yuv420
	bitdepth     : 8
	rc           : cbr
	fps          : 30/1
	gop          : INF
	bf           : 0
	multipass    : 2
	size         : 1080x1920
	bitrate      : 1100000
	maxbitrate   : 1100000
	vbvbufsize   : 183330
	vbvinit      : 183330
	aq           : disabled
	temporalaq   : disabled
	lookahead    : disabled
	cq           : 0
	qmin         : P,B,I=0,0,0
	qmax         : P,B,I=0,0,0
	initqp       : P,B,I=0,0,0

GetEncodedPacket : m_nvenc.nvEncLockBitstream(m_hEncoder, &lockBitstreamData) returned error 8 at /mnt/src1/Video_Codec_SDK_10.0.26/Samples/NvCodec/NvEncoder/NvEncoder.cpp:493

Is nvenc on aarch64 not supported yet?