Cannot configure NUT add-on with APC Smart UPS 1500 with SNMP network connection

Hi there.
I have an APC Smart UPS 1500 with SNMP network connection to my home switch. My home assistant server is also connected to the same switch. I configured my NUT add-on and started it. However it stops with errors. i provided the log below.
What shall I do?

s6-rc: info: service s6rc-oneshot-runner: starting

s6-rc: info: service s6rc-oneshot-runner successfully started

s6-rc: info: service base-addon-banner: starting


Add-on: Network UPS Tools

Manage battery backup (UPS) devices


Add-on version: 0.16.1

You are running the latest version of this add-on.

System: Home Assistant OS 16.3 (amd64 / generic-x86-64)

Home Assistant Core: 2025.11.1

Home Assistant Supervisor: 2025.11.1


Please, share the above information when looking for help

or support in, e.g., GitHub, forums or the Discord chat.


s6-rc: info: service base-addon-banner successfully started

s6-rc: info: service fix-attrs: starting

s6-rc: info: service base-addon-timezone: starting

s6-rc: info: service base-addon-log-level: starting

s6-rc: info: service fix-attrs successfully started

[19:17:13] INFO: Configuring timezone (Europe/Istanbul)…

s6-rc: info: service base-addon-log-level successfully started

s6-rc: info: service base-addon-timezone successfully started

s6-rc: info: service legacy-cont-init: starting

cont-init: info: running /etc/cont-init.d/nut.sh

[19:17:13] INFO: Setting mode to netserver…

[19:17:13] INFO: Generating /etc/nut/upsd.users…

[19:17:13] INFO: Configuring user: cruiser

[19:17:13] INFO: Password is NOT in the Have I Been Pwned database! Nice!

[19:17:14] INFO: Configuring Device named myups…

[19:17:14] INFO: Starting the UPS drivers…

libusb1: Could not open any HID devices: insufficient permissions on everything

No matching HID UPS found

upsnotify: notify about state 4 with libsystemd: was requested, but not running as a service unit now, will not spam more about it

upsnotify: failed to notify about state 4: no notification tech defined, will not spam more about it

Network UPS Tools - Generic HID driver 0.52 (2.8.1)

USB communication driver (libusb 1.0) 0.46

Driver failed to start (exit status=1)

Network UPS Tools - UPS driver controller 2.8.1

cont-init: info: /etc/cont-init.d/nut.sh exited 1

cont-init: info: running /etc/cont-init.d/nutclient.sh

cont-init: info: /etc/cont-init.d/nutclient.sh exited 0

cont-init: warning: some scripts exited nonzero

s6-rc: warning: unable to start service legacy-cont-init: command exited 1

/run/s6/basedir/scripts/rc.init: warning: s6-rc failed to properly bring all the services up! Check your logs (in /run/uncaught-logs/current if you have in-container logging) for more information.

/run/s6/basedir/scripts/rc.init: fatal: stopping the container.

s6-rc: info: service fix-attrs: stopping

s6-rc: info: service base-addon-timezone: stopping

s6-rc: info: service base-addon-log-level: stopping

s6-rc: info: service base-addon-timezone successfully stopped

s6-rc: info: service base-addon-log-level successfully stopped

s6-rc: info: service fix-attrs successfully stopped

s6-rc: info: service base-addon-banner: stopping

s6-rc: info: service base-addon-banner successfully stopped

s6-rc: info: service s6rc-oneshot-runner: stopping

s6-rc: info: service s6rc-oneshot-runner successfully stopped

I think this is where I would be start investigate. Something with permissions is not ok, hence NUT is not finding any UPS.

Thank you. I am not Linux savvy. What shall I do.

Wait for a Linux guy and/or use chatgpt or another ai