Mate/arsehole

As someone with a keen interest in language, I wonder when the world ‘mate’ came to mean ‘arsehole’:

screen-shot-2016-10-12-at-09-50-13screen-shot-2016-10-12-at-09-51-48screen-shot-2016-10-12-at-09-53-16screen-shot-2016-10-12-at-09-54-24