Without Hardware Based option available I think the Intel Kaby Lake NUC is not outputting FramePacking MVC but sending the signal as Top/Bottom and your TV is doing the 3D conversion.
MY CURRENT MEDIA PLAYER | MY HOME THEATER
MINIX NEO U22-XJ COREELEC v19 MATRIX | EGREAT A10 | NVIDIA SHIELD | LG 75 NANO90 DV/HDR+ | Sony 43 Android TV HDR
XBOX SERIES X | PS4 PRO 4K | JBL 9.1 System 5.1.4 DTS:X/ATMOS