Deepstream NVDCF tracker abnormally large id numbers

Please provide complete information as applicable to your setup.

• Hardware Platform (Jetson / GPU) Tesla T4
• DeepStream Version SDK 5.0

I am using the Nvidia DCF tracker and the visual output with overlayed bboxes have correct id numbers however in .txt outputs id numbers are abnormally large. I have attached one sample .txt output files. Do you know what is the problem?
00_000_000002.txt (3.8 KB)

could you refer Deepstream Tracker FAQ