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[257747.394666] usb 1-2: device descriptor read/64, error -71
[257747.610850] usb 1-2: device descriptor read/64, error -71
[257747.826832] usb 1-2: new full-speed USB device number 12 using xhci_hcd
[257747.938976] usb 1-2: device descriptor read/64, error -71
[257748.155169] usb 1-2: device descriptor read/64, error -71
[257748.775526] usb 1-2: new full-speed USB device number 14 using xhci_hcd
[257748.904807] usb 1-2: New USB device found, idVendor=0483, idProduct=5740
[257748.904810] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[257748.904811] usb 1-2: Product: STM32 Virtual COM Port
[257748.904812] usb 1-2: Manufacturer: STMicroelectronics
[257748.904813] usb 1-2: SerialNumber: 015D34663535
[257748.904972] usb 1-2: ep 0x82 - rounding interval to 1024 microframes, ep desc says 2040 microframes
[257748.922788] cdc_acm 1-2:1.0: This device cannot do calls on its own. It is not a modem.
[257748.922814] cdc_acm 1-2:1.0: ttyACM0: USB ACM device
[257748.924589] usbcore: registered new interface driver cdc_acm
[257748.924593] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters
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