Модем вроде отзывается, мне кажется проблема в настройке.
Bus 001 Device 002: ID 8087:8000 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 007: ID 04ca:2006 Lite-On Technology Corp.
Bus 002 Device 006: ID 0bda:570c Realtek Semiconductor Corp.
Bus 002 Device 005: ID 058f:6366 Alcor Micro Corp. Multi Flash Reader
Bus 002 Device 035: ID 12d1:14ac Huawei Technologies Co., Ltd.
Bus 002 Device 032: ID 046d:c517 Logitech, Inc. LX710 Cordless Desktop Laser
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Весь не влез. Я в этом не сильно понимаю, но этой части будет достаточно? Это самая последня часть вывода
[25018.178638] usb 2-1: USB disconnect, device number 28
[25023.862789] usb 2-1: new high-speed USB device number 29 using xhci_hcd
[25024.058169] usb 2-1: New USB device found, idVendor=12d1, idProduct=1446
[25024.058173] usb 2-1: New USB device strings: Mfr=3, Product=2, SerialNumber=0
[25024.058174] usb 2-1: Product: HUAWEI Mobile
[25024.058175] usb 2-1: Manufacturer: HUAWEI Technology
[25024.061540] usb-storage 2-1:1.0: USB Mass Storage device detected
[25024.061644] scsi34 : usb-storage 2-1:1.0
[25024.061731] usb-storage 2-1:1.1: USB Mass Storage device detected
[25024.061781] scsi35 : usb-storage 2-1:1.1
[25048.675193] usb 2-1: USB disconnect, device number 29
[25056.985569] usb 2-1: new high-speed USB device number 30 using xhci_hcd
[25057.180887] usb 2-1: New USB device found, idVendor=12d1, idProduct=1446
[25057.180894] usb 2-1: New USB device strings: Mfr=3, Product=2, SerialNumber=0
[25057.180898] usb 2-1: Product: HUAWEI Mobile
[25057.180901] usb 2-1: Manufacturer: HUAWEI Technology
[25057.184413] usb-storage 2-1:1.0: USB Mass Storage device detected
[25057.184477] scsi36 : usb-storage 2-1:1.0
[25057.184562] usb-storage 2-1:1.1: USB Mass Storage device detected
[25057.184600] scsi37 : usb-storage 2-1:1.1
[25168.339921] usb 2-4: USB disconnect, device number 23
[25172.387878] usb 2-1: USB disconnect, device number 30
[25176.854516] usb 2-3: USB disconnect, device number 21
[25182.042528] usb 2-4: new high-speed USB device number 31 using xhci_hcd
[25182.237930] usb 2-4: New USB device found, idVendor=12d1, idProduct=1446
[25182.237933] usb 2-4: New USB device strings: Mfr=3, Product=2, SerialNumber=0
[25182.237935] usb 2-4: Product: HUAWEI Mobile
[25182.237936] usb 2-4: Manufacturer: HUAWEI Technology
[25182.241460] usb-storage 2-4:1.0: USB Mass Storage device detected
[25182.241547] scsi38 : usb-storage 2-4:1.0
[25182.241667] usb-storage 2-4:1.1: USB Mass Storage device detected
[25182.242540] scsi39 : usb-storage 2-4:1.1
[25195.013059] usb 2-1: new low-speed USB device number 32 using xhci_hcd
[25195.203126] usb 2-1: New USB device found, idVendor=046d, idProduct=c517
[25195.203129] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[25195.203131] usb 2-1: Product: USB Receiver
[25195.203132] usb 2-1: Manufacturer: Logitech
[25195.203270] usb 2-1: ep 0x81 - rounding interval to 64 microframes, ep desc says 80 microframes
[25195.203274] usb 2-1: ep 0x82 - rounding interval to 64 microframes, ep desc says 80 microframes
[25195.205974] input: Logitech USB Receiver as /devices/pci0000:00/0000:00:14.0/usb2/2-1/2-1:1.0/0003:046D:C517.000E/input/input28
[25195.206067] logitech 0003:046D:C517.000E: input,hidraw0: USB HID v1.10 Keyboard [Logitech USB Receiver] on usb-0000:00:14.0-1/input0
[25195.211156] input: Logitech USB Receiver as /devices/pci0000:00/0000:00:14.0/usb2/2-1/2-1:1.1/0003:046D:C517.000F/input/input29
[25195.211381] logitech 0003:046D:C517.000F: input,hiddev0,hidraw1: USB HID v1.10 Mouse [Logitech USB Receiver] on usb-0000:00:14.0-1/input1
[25201.283067] usb 2-4: USB disconnect, device number 31
[25295.434158] usb 2-4: new high-speed USB device number 33 using xhci_hcd
[25295.629532] usb 2-4: New USB device found, idVendor=12d1, idProduct=1446
[25295.629535] usb 2-4: New USB device strings: Mfr=3, Product=2, SerialNumber=0
[25295.629536] usb 2-4: Product: HUAWEI Mobile
[25295.629537] usb 2-4: Manufacturer: HUAWEI Technology
[25295.633009] usb-storage 2-4:1.0: USB Mass Storage device detected
[25295.633126] scsi40 : usb-storage 2-4:1.0
[25295.633214] usb-storage 2-4:1.1: USB Mass Storage device detected
[25295.633254] scsi41 : usb-storage 2-4:1.1
[25348.711970] usb 2-4: USB disconnect, device number 33
[25355.570724] usb 2-4: new high-speed USB device number 34 using xhci_hcd
[25355.766058] usb 2-4: New USB device found, idVendor=12d1, idProduct=1446
[25355.766061] usb 2-4: New USB device strings: Mfr=3, Product=2, SerialNumber=0
[25355.766063] usb 2-4: Product: HUAWEI Mobile
[25355.766064] usb 2-4: Manufacturer: HUAWEI Technology
[25355.769583] usb-storage 2-4:1.0: USB Mass Storage device detected
[25355.769653] scsi42 : usb-storage 2-4:1.0
[25355.769752] usb-storage 2-4:1.1: USB Mass Storage device detected
[25355.769808] scsi43 : usb-storage 2-4:1.1
[25356.839315] usb 2-4: USB disconnect, device number 34
[25362.176000] usb 2-4: new high-speed USB device number 35 using xhci_hcd
[25362.371383] usb 2-4: New USB device found, idVendor=12d1, idProduct=14ac
[25362.371386] usb 2-4: New USB device strings: Mfr=4, Product=3, SerialNumber=0
[25362.371388] usb 2-4: Product: HUAWEI Mobile
[25362.371389] usb 2-4: Manufacturer: HUAWEI Technology
[25362.375426] usb 2-4: GSM modem (1-port) converter now attached to ttyUSB0
[25362.379043] qmi_wwan 2-4:1.1 wwan0: register 'qmi_wwan' at usb-0000:00:14.0-4, WWAN/QMI device, fa:35:64:ff:0f:e3
[25362.379259] usb 2-4: GSM modem (1-port) converter now attached to ttyUSB1
[25362.379376] usb 2-4: GSM modem (1-port) converter now attached to ttyUSB2
[25362.379439] usb-storage 2-4:1.5: USB Mass Storage device detected
[25362.379494] scsi44 : usb-storage 2-4:1.5
[25362.379590] usb-storage 2-4:1.6: USB Mass Storage device detected
[25362.379630] scsi45 : usb-storage 2-4:1.6