revert handling for onJoin
revert handling for onJoin

w1z2g3/crossbar,w1z2g3/crossbar,w1z2g3/crossbar,w1z2g3/crossbar,w1z2g3/crossbar,w1z2g3/crossbar,NinjaMSP/crossbar,w1z2g3/crossbar,NinjaMSP/crossbar,NinjaMSP/crossbar