* ensure all bpf events are processed before stopping, refactor tests a bit to make the stress test much more consistent
* prevent startSession/endSession blocking during shutdown
* make lost event tracking in tests work correctly between sub-tests
* Remove accidental extra wg.Wait call
* simplify LostEventTracker
* improved log message and switched to use a time.Timer
* fix not building without bpf tag
* drop events if the buffer is full