Strange anomaly when Netgear A6100 - AC600 Dual Band WiFi USB Mini Adapter plugged in on boot

Steven Friedrich FreeBSD at
Thu Feb 18 10:40:04 UTC 2021

Starting devd.                                                                                                                                                                                                                                  
Cannot 'start' webcamd. Set webcamd_enable to YES in /etc/rc.conf or use 
'onestart' instead of 'start'.

There's nothing in /etc/rc.conf to invoke webcam.  Nothing in /etc/devd.conf 
(AFAIK).  I haven't modified devd.conf

If I unplug the adapter and reboot, no message about webcam appears.

Here's the device as reported by pciconf -lv

none6 at pci0:2:0:0:       class=0x028000 card=0x831a103c chip=0xc82110ec 
rev=0x00 hdr=0x00
    vendor     = 'Realtek Semiconductor Co., Ltd.'
    device     = 'RTL8821CE 802.11ac PCIe Wireless Network Adapter'
    class      = network

Here's the dmesg
ugen0.2: <Realtek 802.11ac WLAN Adapter> at usbus0                                                                                                                                                                                              
rtwn0 on uhub0                                                                                                                                                                                                                                  
rtwn0: <802.11ac WLAN Adapter > on usbus0                                                                                                                                                                                                       
rtwn0: MAC/BB RTL8821AU, RF 6052 1T1R 

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