$ dmesg | egrep -i 'usb|video'
[ 0.051203] ACPI: Added _OSI(Linux-Dell-Video)
[ 0.096084] ACPI: bus type USB registered
[ 0.096115] usbcore: registered new interface driver usbfs
[ 0.096131] usbcore: registered new interface driver hub
[ 0.096156] usbcore: registered new device driver usb
[ 0.146516] pci 0000:01:00.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]
[ 1.173444] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 1.173716] ehci-pci 0000:00:1d.7: new USB bus registered, assigned bus number 1
[ 1.184044] ehci-pci 0000:00:1d.7: USB 2.0 started, EHCI 1.00
[ 1.184157] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[ 1.184160] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 1.184163] usb usb1: Product: EHCI Host Controller
[ 1.184165] usb usb1: Manufacturer: Linux 4.15.0-58-lowlatency ehci_hcd
[ 1.184168] usb usb1: SerialNumber: 0000:00:1d.7
[ 1.184401] hub 1-0:1.0: USB hub found
[ 1.184816] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[ 1.184856] uhci_hcd: USB Universal Host Controller Interface driver
[ 1.185100] uhci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 2
[ 1.185322] usb usb2: New USB device found, idVendor=1d6b, idProduct=0001
[ 1.185326] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 1.185329] usb usb2: Product: UHCI Host Controller
[ 1.185331] usb usb2: Manufacturer: Linux 4.15.0-58-lowlatency uhci_hcd
[ 1.185333] usb usb2: SerialNumber: 0000:00:1d.0
[ 1.185541] hub 2-0:1.0: USB hub found
[ 1.185891] uhci_hcd 0000:00:1d.1: new USB bus registered, assigned bus number 3
[ 1.186125] usb usb3: New USB device found, idVendor=1d6b, idProduct=0001
[ 1.186128] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 1.186131] usb usb3: Product: UHCI Host Controller
[ 1.186134] usb usb3: Manufacturer: Linux 4.15.0-58-lowlatency uhci_hcd
[ 1.186136] usb usb3: SerialNumber: 0000:00:1d.1
[ 1.186335] hub 3-0:1.0: USB hub found
[ 1.186713] uhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus number 4
[ 1.186934] usb usb4: New USB device found, idVendor=1d6b, idProduct=0001
[ 1.186937] usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 1.186939] usb usb4: Product: UHCI Host Controller
[ 1.186942] usb usb4: Manufacturer: Linux 4.15.0-58-lowlatency uhci_hcd
[ 1.186945] usb usb4: SerialNumber: 0000:00:1d.2
[ 1.187181] hub 4-0:1.0: USB hub found
[ 1.187535] uhci_hcd 0000:00:1d.3: new USB bus registered, assigned bus number 5
[ 1.187752] usb usb5: New USB device found, idVendor=1d6b, idProduct=0001
[ 1.187755] usb usb5: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 1.187758] usb usb5: Product: UHCI Host Controller
[ 1.187761] usb usb5: Manufacturer: Linux 4.15.0-58-lowlatency uhci_hcd
[ 1.187763] usb usb5: SerialNumber: 0000:00:1d.3
[ 1.187959] hub 5-0:1.0: USB hub found
[ 1.634063] usb 2-1: new low-speed USB device number 2 using uhci_hcd
[ 1.849122] usb 2-1: New USB device found, idVendor=c0f3, idProduct=02a1
[ 1.849127] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 1.849133] usb 2-1: Product: HCT Keyboard
[ 1.849137] usb 2-1: Manufacturer: USB
[ 2.168538] usbcore: registered new interface driver usbhid
[ 2.168542] usbhid: USB HID core driver
[ 2.176434] input: USB HCT Keyboard as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1:1.0/0003:C0F3:02A1.0001/input/input5
[ 2.228297] hid-generic 0003:C0F3:02A1.0001: input,hidraw0: USB HID v1.10 Keyboard [USB HCT Keyboard] on usb-0000:00:1d.0-1/input0
[ 2.228919] input: USB HCT Keyboard as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1:1.1/0003:C0F3:02A1.0002/input/input6
[ 2.280391] hid-generic 0003:C0F3:02A1.0002: input,hidraw1: USB HID v1.10 Mouse [USB HCT Keyboard] on usb-0000:00:1d.0-1/input1
[ 2.588054] usb 4-2: new low-speed USB device number 2 using uhci_hcd
[ 2.757111] usb 4-2: New USB device found, idVendor=1bcf, idProduct=0005
[ 2.757116] usb 4-2: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[ 2.757118] usb 4-2: Product: USB Optical Mouse
[ 2.778657] input: USB Optical Mouse as /devices/pci0000:00/0000:00:1d.2/usb4/4-2/4-2:1.0/0003:1BCF:0005.0003/input/input7
[ 2.778937] hid-generic 0003:1BCF:0005.0003: input,hidraw2: USB HID v1.10 Mouse [USB Optical Mouse] on usb-0000:00:1d.2-2/input0
[ 1342.358674] usb_hcd_irq+0x2c/0x40
[ 1342.358732] [<000000005ceb82d0>] irq_default_primary_handler threaded [<0000000096b88713>] usb_hcd_irq