Arch Linux

[apcupsd] The systemd service file was written incorrectly.
Description:
When I configure apcupsd to use snmp to link APC UPS for systemd service file dependencies, usually apcupsd doesn't work.

Additional info:
package version: apcupsd-3.14.14-6-x86_64

cat /usr/lib/systemd/system/apcupsd.service
[Unit]
Description=APC UPS Power Control Daemon for Linux
After=syslog.target
After=network-online.target

[Service]
ExecStartPre=-/bin/rm -f /etc/apcupsd/powerfail
ExecStart=/sbin/apcupsd -b -f /etc/apcupsd/apcupsd.conf
KillMode=process

[Install]
WantedBy=multi-user.target

sudo systemctl status apcupsd.service
● apcupsd.service - APC UPS Power Control Daemon for Linux
Loaded: loaded (/usr/lib/systemd/system/apcupsd.service; enabled; vendor preset: disabled)
Active: active (running) since Thu 2022-02-03 16:05:34 CST; 1min 3s ago
Process: 750 ExecStartPre=/bin/rm -f /etc/apcupsd/powerfail (code=exited, status=0/SUCCESS)
Main PID: 764 (apcupsd)
Tasks: 3 (limit: 38401)
Memory: 1016.0K
CPU: 2ms
CGroup: /system.slice/apcupsd.service
└─764 /sbin/apcupsd -b -f /etc/apcupsd/apcupsd.conf

2月 03 16:05:34 RingCity apcupsd[764]: sendto: Network is unreachable
2月 03 16:05:34 RingCity apcupsd[764]: sendto: Network is unreachable
2月 03 16:05:34 RingCity apcupsd[764]: sendto: Network is unreachable
2月 03 16:05:34 RingCity apcupsd[764]: sendto: Network is unreachable
2月 03 16:05:34 RingCity apcupsd[764]: sendto: Network is unreachable
2月 03 16:05:34 RingCity apcupsd[764]: sendto: Network is unreachable
2月 03 16:05:34 RingCity apcupsd[764]: sendto: Network is unreachable
2月 03 16:05:34 RingCity apcupsd[764]: sendto: Network is unreachable
2月 03 16:05:34 RingCity apcupsd[764]: sendto: Network is unreachable
2月 03 16:05:34 RingCity apcupsd[764]: sendto: Network is unreachable

Steps to reproduce:
Configure the APC UPS to use snmp for apcupsd.