bug: if logevent doesn't have a datetime, that would crash.
bug: if logevent doesn't have a datetime, that would crash.

tomzhang/mtools,gormanb/mtools,parkhyeonghwa/mtools,corymintz/mtools,rueckstiess/mtools,parkhyeonghwa/mtools,ces0712/mtools,corymintz/mtools,aerrami/mtools,ces0712/mtools,devkev/mtools,tomzhang/mtools,aerrami/mtools,devkev/mtools,ces0712/mtools,aerrami/mtools,yaowenqiang/mtools,parkhyeonghwa/mtools,devkev/mtools,gormanb/mtools,yaowenqiang/mtools,gormanb/mtools,yaowenqiang/mtools,rueckstiess/mtools,tomzhang/mtools,corymintz/mtools