In the original fanotify API,
only a limited set of events was supported. In particular, there
was no support for create, delete, and move events. The support
for those events was added in Linux 5.1. (See inotify(7) for
details of an API that did notify those events pre Linux 5.1.)
https://kernelnewbies.org/Linux_2_6_37#Enable_Fanotify_API