$ rpm -qa | grep usb-modeswitchusb-modeswitch-2.2.0-alt1usb-modeswitch-data-20151101-alt1
Надо сравнить /var/log/dmesg в 7-ке и 8-ке.
Вот тут, что-то аналогичное на Ubunta было:http://ubuntuforums.org/showthread.php?t=2191515
dmesg | tail
udevadmin monitor > /tmp/udev.log
udevadmin
$ su -Password: [root@laptop ~]# udevadmin monitor > /tmp/udev.log-bash: udevadmin: команда не найдена
udevadm monitor > /tmp/udev.log
ud<tab>a<tab>
Нужно проверить настройки usb_modeswitch для Вашего модема и правила udev.
Я пока занят,но можете сами в mc эти файлы сравнить.
usb2/2-1/2-1.3/2-1.3:1.0/net/enp0s29u1u3 (net)
KERNEL[197.479906] remove /host6/target6:0:0 (scsi)UDEV [197.481230] remove /host6/target6:0:0 (scsi)KERNEL[197.548679] remove /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.0 (usb)KERNEL[197.548803] remove /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3 (usb)UDEV [197.549589] remove /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.0 (usb)UDEV [197.549609] remove /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3 (usb)KERNEL[198.609212] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3 (usb)KERNEL[198.762614] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.0 (usb)KERNEL[198.762710] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.1 (usb)KERNEL[198.762866] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.2 (usb)KERNEL[198.763011] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.2/host7 (scsi)KERNEL[198.763025] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.2/host7/scsi_host/host7 (scsi_host)UDEV [198.765905] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3 (usb)UDEV [198.766720] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.2 (usb)UDEV [198.767221] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.1 (usb)UDEV [198.767667] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.2/host7 (scsi)UDEV [198.768267] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.2/host7/scsi_host/host7 (scsi_host)KERNEL[198.860735] add /module/usbnet (module)UDEV [198.861030] add /module/usbnet (module)KERNEL[198.899666] add /module/cdc_ether (module)UDEV [198.899889] add /module/cdc_ether (module)KERNEL[198.949279] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.0/net/eth0 (net)KERNEL[198.949291] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.0/net/eth0/queues/rx-0 (queues)KERNEL[198.949299] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.0/net/eth0/queues/tx-0 (queues)KERNEL[198.949329] add /bus/usb/drivers/cdc_ether (drivers)UDEV [198.949654] add /bus/usb/drivers/cdc_ether (drivers)UDEV [198.949731] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.0 (usb)KERNEL[198.953271] move /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.0/net/enp0s29u1u3 (net)UDEV [198.986242] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.0/net/enp0s29u1u3 (net)UDEV [198.991342] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.0/net/eth0/queues/tx-0 (queues)UDEV [198.993085] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.0/net/eth0/queues/rx-0 (queues)UDEV [198.994521] move /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.0/net/enp0s29u1u3 (net)