Disabled audit events is not dropped

{"peername":"127.0.0.1:56004","sockname":"127.0.0.1:12000","real_userid":

{"source":"memcached","user":"test"}

,"timestamp":"2016-03-18T15:09:13.258098-07:00","id":20485,"name":"authentication succeeded","description":"Authentication to the cluster succeeded"}
{"peername":"127.0.0.1:56005","sockname":"127.0.0.1:12000","real_userid":

{"source":"memcached","user":"default"}

,"timestamp":"2016-03-18T15:09:13.260042-07:00","id":20485,"name":"authentication succeeded","description":"Authentication to the cluster succeeded"}
{"peername":"127.0.0.1:56005","sockname":"127.0.0.1:12000","real_userid":

{"source":"memcached","user":"default"}

,"bucket":"default","timestamp":"2016-03-18T15:09:13.260244-07:00","id":20480,"name":"opened DCP connection","description":"opened DCP connection"}
{"peername":"127.0.0.1:56006","sockname":"127.0.0.1:12000","real_userid":

{"source":"memcached","user":"default"}

,"timestamp":"2016-03-18T15:09:13.263258-07:00","id":20485,"name":"authentication succeeded","description":"Authentication to the cluster succeeded"}
{"peername":"127.0.0.1:56006","sockname":"127.0.0.1:12000","real_userid":

{"source":"memcached","user":"default"}

,"bucket":"default","timestamp":"2016-03-18T15:09:13.263430-07:00","id":20480,"name":"opened DCP connection","description":"opened DCP connection"}
{"peername":"127.0.0.1:56007","sockname":"127.0.0.1:12000","real_userid":

{"source":"memcached","user":"_admin"}

,"timestamp":"2016-03-18T15:09:13.265321-07:00","id":20485,"name":"authentication succeeded","description":"Authentication to the cluster succeeded"}