Netflix requires DRM, WideVine is not available on an Open Source box?
root@osmio4kplus:~# opkg list *inputstream-adaptive*
kodi-addon-inputstream-adaptive - 2.4.3+gitr0+09ec268dc4-r0.5 - kodi inputstream addon for several manifest types
kodi-addon-inputstream-adaptive-dbg - 2.4.3+gitr0+09ec268dc4-r0.5 - kodi inputstream addon for several manifest types - Debugging files
kodi-addon-inputstream-adaptive-dev - 2.4.3+gitr0+09ec268dc4-r0.5 - kodi inputstream addon for several manifest types - Development files
root@osmio4kplus:~# opkg install kodi-addon-inputstream-adaptive
Installing kernel-module-ext2-5.9.0 (5.9) on root
Downloading http://downloads.ope...osmio4kplus.ipk.
Installing libkodiplatform18.0 (18.0.0) on root
Downloading http://downloads.ope...osmio4kplus.ipk.
Installing ldd (2.30) on root
Downloading http://downloads.ope...-neon-vfpv4.ipk.
Installing kodi-addon-inputstream-adaptive (2.4.3+gitr0+09ec268dc4) on root
Downloading http://downloads.ope...-neon-vfpv4.ipk.
Configuring kernel-module-ext2-5.9.0.
Configuring libkodiplatform18.0.
Configuring ldd.
Configuring kodi-addon-inputstream-adaptive.
root@osmio4kplus:~#
Now it looks good,
I come back to you after installing windevine