dmesg is the same after removing the driver and unplug/plug:
[1351526.494072] br-lan: port 1(eth1) entered forwarding state
[1351526.497023] br-lan: port 1(eth1) entered forwarding state
[1351528.493315] br-lan: port 1(eth1) entered forwarding state
[1351712.007956] Linux video capture interface: v2.00
[1352834.254438] usb 1-1: USB disconnect, device number 3
[1352850.701482] usb 1-1: new high-speed USB device number 5 using xhci-hcd
[1353410.679686] usb 1-1: USB disconnect, device number 5
[1353417.766410] usb 1-1: new high-speed USB device number 6 using xhci-hcd
[1353421.333433] usb 1-1: USB disconnect, device number 6
[1353443.036210] usb 1-1: new high-speed USB device number 7 using xhci-hcd
[1354122.110814] usb 1-1: USB disconnect, device number 7
[1354142.829348] usb 1-1: new high-speed USB device number 8 using xhci-hcd
[1358778.810505] usb 1-1: USB disconnect, device number 8
[1358781.856316] usb 1-1: new high-speed USB device number 9 using xhci-hcd
root@GL-AX1800:~# cat /sys/kernel/debug/usb/devices
T: Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=5000 MxCh= 1
B: Alloc= 0/800 us ( 0%), #Int= 0, #Iso= 0
D: Ver= 3.00 Cls=09(hub ) Sub=00 Prot=03 MxPS= 9 #Cfgs= 1
P: Vendor=1d6b ProdID=0003 Rev= 4.04
S: Manufacturer=Linux 4.4.60 xhci-hcd
S: Product=xHCI Host Controller
S: SerialNumber=xhci-hcd.0.auto
C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA
I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
E: Ad=81(I) Atr=03(Int.) MxPS= 4 Ivl=256ms
T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh= 1
B: Alloc= 0/800 us ( 0%), #Int= 0, #Iso= 0
D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=01 MxPS=64 #Cfgs= 1
P: Vendor=1d6b ProdID=0002 Rev= 4.04
S: Manufacturer=Linux 4.4.60 xhci-hcd
S: Product=xHCI Host Controller
S: SerialNumber=xhci-hcd.0.auto
C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA
I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
E: Ad=81(I) Atr=03(Int.) MxPS= 4 Ivl=256ms
T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 9 Spd=480 MxCh= 0
D: Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1
P: Vendor=046d ProdID=0823 Rev= 0.10
S: SerialNumber=420D22A0
C:* #Ifs= 4 Cfg#= 1 Atr=80 MxPwr=500mA
A: FirstIf#= 0 IfCount= 2 Cls=01(audio) Sub=02 Prot=00
A: FirstIf#= 2 IfCount= 2 Cls=0e(video) Sub=03 Prot=00
I:* If#= 0 Alt= 0 #EPs= 0 Cls=01(audio) Sub=01 Prot=00 Driver=(none)
I:* If#= 1 Alt= 0 #EPs= 0 Cls=01(audio) Sub=02 Prot=00 Driver=(none)
I: If#= 1 Alt= 1 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=(none)
E: Ad=86(I) Atr=05(Isoc) MxPS= 68 Ivl=1ms
I: If#= 1 Alt= 2 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=(none)
E: Ad=86(I) Atr=05(Isoc) MxPS= 100 Ivl=1ms
I: If#= 1 Alt= 3 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=(none)
E: Ad=86(I) Atr=05(Isoc) MxPS= 132 Ivl=1ms
I:* If#= 2 Alt= 0 #EPs= 1 Cls=0e(video) Sub=01 Prot=00 Driver=(none)
E: Ad=87(I) Atr=03(Int.) MxPS= 16 Ivl=16ms
I:* If#= 3 Alt= 0 #EPs= 0 Cls=0e(video) Sub=02 Prot=00 Driver=(none)
I: If#= 3 Alt= 1 #EPs= 1 Cls=0e(video) Sub=02 Prot=00 Driver=(none)
E: Ad=81(I) Atr=05(Isoc) MxPS= 192 Ivl=125us
I: If#= 3 Alt= 2 #EPs= 1 Cls=0e(video) Sub=02 Prot=00 Driver=(none)
E: Ad=81(I) Atr=05(Isoc) MxPS= 384 Ivl=125us
I: If#= 3 Alt= 3 #EPs= 1 Cls=0e(video) Sub=02 Prot=00 Driver=(none)
E: Ad=81(I) Atr=05(Isoc) MxPS= 512 Ivl=125us
I: If#= 3 Alt= 4 #EPs= 1 Cls=0e(video) Sub=02 Prot=00 Driver=(none)
E: Ad=81(I) Atr=05(Isoc) MxPS= 640 Ivl=125us
I: If#= 3 Alt= 5 #EPs= 1 Cls=0e(video) Sub=02 Prot=00 Driver=(none)
E: Ad=81(I) Atr=05(Isoc) MxPS= 800 Ivl=125us
I: If#= 3 Alt= 6 #EPs= 1 Cls=0e(video) Sub=02 Prot=00 Driver=(none)
E: Ad=81(I) Atr=05(Isoc) MxPS= 944 Ivl=125us
I: If#= 3 Alt= 7 #EPs= 1 Cls=0e(video) Sub=02 Prot=00 Driver=(none)
E: Ad=81(I) Atr=05(Isoc) MxPS=1280 Ivl=125us
I: If#= 3 Alt= 8 #EPs= 1 Cls=0e(video) Sub=02 Prot=00 Driver=(none)
E: Ad=81(I) Atr=05(Isoc) MxPS=1600 Ivl=125us
I: If#= 3 Alt= 9 #EPs= 1 Cls=0e(video) Sub=02 Prot=00 Driver=(none)
E: Ad=81(I) Atr=05(Isoc) MxPS=1984 Ivl=125us
I: If#= 3 Alt=10 #EPs= 1 Cls=0e(video) Sub=02 Prot=00 Driver=(none)
E: Ad=81(I) Atr=05(Isoc) MxPS=3060 Ivl=125us
I: If#= 3 Alt=11 #EPs= 1 Cls=0e(video) Sub=02 Prot=00 Driver=(none)
E: Ad=81(I) Atr=05(Isoc) MxPS=3060 Ivl=125us
And here it is the Logitech webcam:
root@GL-AX1800:~# lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 009: ID 046d:0823 Logitech, Inc.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
root@GL-AX1800:~# lsusb -t
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 480M
|__ Port 1: Dev 9, If 0, Class=Audio, Driver=, 480M
|__ Port 1: Dev 9, If 1, Class=Audio, Driver=, 480M
|__ Port 1: Dev 9, If 2, Class=Video, Driver=, 480M
|__ Port 1: Dev 9, If 3, Class=Video, Driver=, 480M