Setup

user@workstation:~$ dmesg
...
[89451.980020] usb 5-1: new full-speed USB device number 4 using uhci_hcd
[89452.129947] usb 5-1: New USB device found, idVendor=0451, idProduct=2046
[89452.129952] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[89452.133006] hub 5-1:1.0: USB hub found
[89452.134941] hub 5-1:1.0: 4 ports detected
[89452.420028] usb 5-1.2: new full-speed USB device number 5 using uhci_hcd
[89452.587943] usb 5-1.2: New USB device found, idVendor=2047, idProduct=0013
[89452.587948] usb 5-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[89452.587951] usb 5-1.2: Product: MSP Tools Driver
[89452.587954] usb 5-1.2: Manufacturer: Texas Instruments
[89452.587956] usb 5-1.2: SerialNumber: C9BC846F18000F00
[89453.464057] cdc_acm 5-1.2:1.0: This device cannot do calls on its own. It is not a modem.
[89453.464092] cdc_acm 5-1.2:1.0: ttyACM0: USB ACM device
[89453.466037] cdc_acm 5-1.2:1.2: This device cannot do calls on its own. It is not a modem.
[89453.466080] cdc_acm 5-1.2:1.2: ttyACM1: USB ACM device
[89453.467018] usbcore: registered new interface driver cdc_acm
[89453.467020] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters

[79241.087880] usb 1-3: new full-speed USB device number 79 using xhci_hcd
[79241.216410] usb 1-3: New USB device found, idVendor=0451, idProduct=2046
[79241.216414] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[79241.216593] usb 1-3: ep 0x81 - rounding interval to 1024 microframes, ep desc says 2040 microframes
[79241.216944] hub 1-3:1.0: USB hub found
[79241.217049] hub 1-3:1.0: 4 ports detected
[79241.488133] usb 1-3.2: new full-speed USB device number 80 using xhci_hcd
[79241.579230] usb 1-3.2: New USB device found, idVendor=2047, idProduct=0013
[79241.579233] usb 1-3.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[79241.579234] usb 1-3.2: Product: MSP Tools Driver
[79241.579235] usb 1-3.2: Manufacturer: Texas Instruments
[79241.579236] usb 1-3.2: SerialNumber: C9BC846F18000F00
[79241.579409] usb 1-3.2: ep 0x81 - rounding interval to 1024 microframes, ep desc says 2040 microframes
[79241.579415] usb 1-3.2: ep 0x83 - rounding interval to 1024 microframes, ep desc says 2040 microframes
[79241.580504] cdc_acm 1-3.2:1.0: ttyACM0: USB ACM device
[79241.581175] cdc_acm 1-3.2:1.2: ttyACM1: USB ACM device