Apart from that, in my view, there is absolutely no need to overclock an Odroid N2 with CoreELEC.
Overclocking can fun to tinker with, but in my opinion it’s just not worth the meager increase over the issues that can come up. A lot of times it’s fine for makers that generally under-rate their chips like Intel, but most of these embedded designers take it pretty close to the edge already.
There is if you want to watch demanding 1080p + subtitles Netflix material without errors.