UPS load information not available with NUT addon

[boardlord1]

Problem/Motivation

I've 2 APC UPSs. One is connected to a Synology NAS, and one connected directly to my rPI4 running HAOS. The NUT addon has picked both of them up without problem. However, I only see load information for the one connected to the Synology NAS, the one connected directly to the PI reports 0%

Expected behavior

Both UPSs to report load %

Actual behavior

Only the UPS connected to my Synology NAS report load % Screenshot:

The one connected to the PI reports 0% load:

NUT addon log:

-----------------------------------------------------------
 Add-on: Network UPS Tools
 Manage battery backup (UPS) devices
-----------------------------------------------------------
 Add-on version: 0.13.0
 You are running the latest version of this add-on.
 System: Home Assistant OS 12.3  (aarch64 / raspberrypi4-64)
 Home Assistant Core: 2024.5.3
 Home Assistant Supervisor: 2024.05.1
-----------------------------------------------------------
 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
[15:34:54] INFO: Configuring timezone (Europe/Budapest)...
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
[15:34:56] INFO: Setting mode to netserver...
[15:34:56] INFO: Generating /etc/nut/upsd.users...
[15:34:57] INFO: Configuring user: XXXXXXX
[15:34:58] INFO: Password is NOT in the Have I Been Pwned database! Nice!
[15:34:59] INFO: Configuring Device named myups...
[15:34:59] INFO: Starting the UPS drivers...
HIDParse: LogMax is less than LogMin. Vendor HID report descriptor may be incorrect; interpreting LogMax -1 as 255 in ReportID: 0x0c
HIDParse: LogMax is less than LogMin. Vendor HID report descriptor may be incorrect; interpreting LogMax -1 as 255 in ReportID: 0x22
HIDParse: LogMax is less than LogMin. Vendor HID report descriptor may be incorrect; interpreting LogMax -1 as 255 in ReportID: 0x40
Using subdriver: APC HID 0.98
Network UPS Tools - Generic HID driver 0.47 (2.8.0)
USB communication driver (libusb 1.0) 0.43
Network UPS Tools - UPS driver controller 2.8.0
cont-init: info: /etc/cont-init.d/nut.sh exited 0
cont-init: info: running /etc/cont-init.d/nutclient.sh
cont-init: info: /etc/cont-init.d/nutclient.sh exited 0
s6-rc: info: service legacy-cont-init successfully started
s6-rc: info: service legacy-services: starting
services-up: info: copying legacy longrun upsd (no readiness notification)
services-up: info: copying legacy longrun upsmon (no readiness notification)
s6-rc: info: service legacy-services successfully started
[15:35:00] INFO: Starting the UPS information server...
   0.000000	fopen /run/nut/upsd.pid: No such file or directory
   0.000254	Could not find PID file '/run/nut/upsd.pid' to see if previous upsd instance is already running!

   0.001567	[D1] debug level is '1'
   0.002016	listening on 0.0.0.0 port 3493
   0.002618	Connected to UPS [myups]: usbhid-ups-myups
   0.005479	Running as foreground process, not saving a PID file
[15:35:00] INFO: Starting the UPS monitor and shutdown controller...
   0.000000	fopen /run/nut/upsmon.pid: No such file or directory
   0.000225	Could not find PID file to see if previous upsmon instance is already running!

   0.000649	Using power down flag file /etc/killpower
   0.001036	UPS: myups@localhost (primary) (power value 1)
   0.001091	[D1] debug level is '1'
   0.001213	[D1] debug level is '1'
   0.001230	Warning: running as one big root process by request (upsmon -p)
   0.001419	[D1] Saving PID 459 into /run/nut/upsmon.pid
Init SSL without certificate database
   0.008515	[D1] Trying to connect to UPS [myups@localhost]
   0.542791	User [email protected] logged into UPS [myups]
   0.010908	[D1] Logged into UPS myups@localhost

Report on HA Community: https://community.home-assistant.io/t/network-ups-tools-nut-integration-shows-constant-0-ups-load/684991