Kodi 17 beta 6 – how to tune network playback?

A Sony android tv (some MTK chipset), playing 4K program, all good but some time Kodi stops and shows “buffering” icon – is there any way to increase the network buffer or allow to skip some frames?

The clip is roughly 55-60mbps (is there anyway to display a current bitrate on the screen?), it is a gigabit network except the last meter – the TV’s port is just 100mbit.