update: reduce the max burst of event drops
update: reduce the max burst of event drops

This also introduces a threshold configurable value.

Signed-off-by: Leonardo Di Donato <2012e0ca99d70aa6c893822ff73002216e5dba72@gmail.com>

draios/falco,draios/falco,draios/falco,draios/falco,draios/falco,draios/falco,draios/falco,draios/falco