tail -n 500 -f /var/log/messages output:
https://pastebin.com/YBc026F8
raspberrypi:~$ sudo monit summary
Monit 5.26.0 uptime: 27m
Service Name Status Type
raspberrypi OK System
chirpstack-network-server OK Process
chirpstack-gateway-bridge OK Process
chirpstack-concentratord Does not exist Process
chirpstack-application-server OK Process