wpa_supplicant floods the log with scan error

I am using wpa_supplicant on RPiOS with the laterst kerenel 6.12.x
I have wpa_supplicant set up systemd service 'wpa_supplicnat@wlan0'
and use wpa_cli to manage the known networks. I use systemd-networkd
to manage DHCP and such. When the RPi is not connected to a wireless
SSID, I get tons of this in the log:
Jun 09 14:29:56 rpi wpa_supplicant[420]: wlan0: Failed to initiate sched scan
Jun 09 14:30:03 rpi wpa_supplicant[420]: wlan0: Failed to initiate sched scan
Jun 09 14:30:10 rpi wpa_supplicant[420]: wlan0: Failed to initiate sched scan
Jun 09 14:30:16 rpi wpa_supplicant[420]: wlan0: Failed to initiate sched scan
Jun 09 14:30:22 rpi wpa_supplicant[420]: wlan0: Failed to initiate sched scan
Jun 09 14:30:29 rpi wpa_supplicant[420]: wlan0: Failed to initiate sched scan
Jun 09 14:30:35 rpi wpa_supplicant[420]: wlan0: Failed to initiate sched scan
Jun 09 14:30:41 rpi wpa_supplicant[420]: wlan0: Failed to initiate sched scan
Jun 09 14:30:47 rpi wpa_supplicant[420]: wlan0: Failed to initiate sched scan

It repeats about every 6 seconds. I know it is scanning, because when
my known SSID reappears, it connects, so it *is* scanning.

My wpa_supplicant@wlan0 config has not much in it:

# cat /etc/wpa_supplicant/wpa_supplicant-wlan0.conf
ctrl_interface=/run/wpa_supplicant
update_config=1

network={
        ssid="KnownSSID"
        psk="password"
        mesh_fwding=1
}

the service is using the default, debian '[email protected]'
that comes with RPiOS and uses my config shown above.# systemctl
status [email protected]
● [email protected] - WPA supplicant daemon
(interface-specific version)
     Loaded: loaded (/lib/systemd/system/[email protected];
enabled; preset: enabled)
     Active: active (running) since Mon 2025-06-09 11:24:42 CDT; 3h 6min ago
   Main PID: 420 (wpa_supplicant)
      Tasks: 1 (limit: 1654)
        CPU: 6.727s
     CGroup: /system.slice/system-wpa_supplicant.slice/[email protected]
             └─420 /sbin/wpa_supplicant
-c/etc/wpa_supplicant/wpa_supplicant-wlan0.conf -iwlan0

the base wpa_supplicant.service is not running.

I have this in my brcmfmac.conf under /etc/modprobe.d/

options brcmfmac feature_disable=0x200000

Is there something I can do to keep this from flooding the log?

Keith