journalctl にwifiと関係ありそうな以下のエラーが出ていています。これは
どうしたらよいでしょうか？

$ journalctl -p 3
-- Logs begin at Fri 2021-05-28 10:15:47 JST, end at Fri 2021-05-28 10:17:01 JST
5月 28 10:16:01 kyo wpa_supplicant[579]: bgscan simple: Failed to enable signal
lines 1-2/2 (END)

起動速度と応答性を向上させる目的で「自動起動するアプリの設定」などから無効化しています。関係していないですか？ 過去に何を無効化したか憶えていません。

# systemctl list-unit-files --state=disabled
UNIT FILE STATE
bluetooth.service disabled
console-getty.service disabled
debug-shell.service disabled
gnupg-pkcs11-scd-proxy.service disabled
ifupdown-wait-online.service disabled
[email protected] disabled
[email protected] disabled
openvpn.service disabled
[email protected] disabled
rtkit-daemon.service disabled
[email protected] disabled
speech-dispatcher.service disabled
speech-dispatcherd.service disabled
systemd-boot-check-no-failures.service disabled
systemd-networkd-wait-online.service disabled
systemd-networkd.service disabled
systemd-resolved.service disabled
systemd-time-wait-sync.service disabled
upower.service disabled
[email protected] disabled
[email protected] disabled
wpa_supplicant.service disabled
[email protected] disabled
saned.socket disabled
systemd-networkd.socket disabled
ctrl-alt-del.target disabled
exit.target disabled
halt.target disabled
kexec.target disabled
poweroff.target disabled
reboot.target disabled
remote-cryptsetup.target disabled
runlevel0.target disabled
runlevel6.target disabled
fstrim.timer disabled

35 unit files listed.
lines 16-38/38 (END)