"It's not the end of his test career at this point. He's got to go home and do what everyone else does and play well in the Super season and then we'll start again," All Blacks coach Steve Hansen said at the time.
According to Midi Olympique Kaino would replace Springbok Duane Vermeulen, whose contract expires next June.
Former All Blacks Ma'a Nonu, Malakai Fekitoa, Luke McAlister and Alby Mathewson all currently play for Toulon.