rvp Thanks for the reply. As requested. Here is the end of dmesg:
[ 155.961969] uaudio0 at uhub5 port 1 configuration 1 interface 0
[ 155.961969] uaudio0: AudioQuest (0x21b4) AudioQuest DragonFly Black v1.5 (0x0083), rev 2.00/1.08, addr 2
[ 155.971969] uaudio0: autoconfiguration error: ignored audio interface with 2 endpoints
[ 155.971969] uaudio0: autoconfiguration error: no usable endpoint found
[ 155.971969] uaudio0: autoconfiguration error: audio descriptors make no sense, error=4
[ 155.971969] uhidev5 at uhub5 port 1 configuration 1 interface 2
[ 155.971969] uhidev5: AudioQuest (0x21b4) AudioQuest DragonFly Black v1.5 (0x0083), rev 2.00/1.08, addr 2, iclass 3/0
[ 165.971891] uhid9 at uhidev5: input=0, output=0, feature=64
# usbdevs -v
Controller /dev/usb0:
addr 0: super speed+, self powered, config 1, xHCI root hub(0x0000), NetBSD(0x0000), rev 1.00(0x0100)
port 1 disabled
port 2 disabled
port 3 disabled
port 4 disabled
Controller /dev/usb1:
addr 0: high speed, self powered, config 1, xHCI root hub(0x0000), NetBSD(0x0000), rev 1.00(0x0100)
port 1 powered
port 2 powered
port 3 powered
port 4 powered
port 5 addr 1: full speed, self powered, config 1, Bluetooth Radio(0xc123), Realtek(0x1358), rev 0.00(0x0000), serial 00e04c000001
port 6 powered
port 7 powered
port 8 powered
port 9 powered
port 10 powered
Controller /dev/usb2:
addr 0: super speed+, self powered, config 1, xHCI root hub(0x0000), NetBSD(0x0000), rev 1.00(0x0100)
port 1 disabled
port 2 disabled
Controller /dev/usb3:
addr 0: high speed, self powered, config 1, xHCI root hub(0x0000), NetBSD(0x0000), rev 1.00(0x0100)
port 1 addr 1: low speed, power 100 mA, config 1, Wired Keyboard 600(0x07f8), Microsoft(0x045e), rev 3.00(0x0300)
port 2 addr 2: high speed, self powered, config 1, 802.11n NIC(0x0109), Realtek(0x2357), rev 2.00(0x0200), serial 00e04c000001
port 3 powered
port 4 powered
Controller /dev/usb4:
addr 0: super speed+, self powered, config 1, xHCI root hub(0x0000), NetBSD(0x0000), rev 1.00(0x0100)
port 1 disabled
port 2 disabled
Controller /dev/usb5:
addr 0: high speed, self powered, config 1, xHCI root hub(0x0000), NetBSD(0x0000), rev 1.00(0x0100)
port 1 addr 2: full speed, power 40 mA, config 1, AudioQuest DragonFly Black v1.5(0x0083), AudioQuest(0x21b4), rev 1.08(0x0108), serial AQDFBL0100137256
port 2 addr 1: full speed, power 98 mA, config 1, USB Receiver(0xc52b), Logitech(0x046d), rev 24.07(0x2407)
port 3 powered
port 4 powered