in previous versions I would add something like OMV_MONIT_SERVICE_SYSTEM_LOADAVG_5MIN=2.1 to /etc/default/openmediavault, and issue command omv-mkconf monit.
This no longer seems to work for 5.x ?
omv-mkconf monit must be replaced by omv-salt deploy run monit
but, the notifications just keep coming, so OMV_MONIT_SERVICE_SYSTEM_LOADAVG_5MIN=2.1 is ignored ?