¿Cómo encuentro / dev / X en Ubuntu?

Estoy usando Ubuntu 16.04 e intento configurar un Huawei K5150. Instalé usb_modeswitch y logré que el dispositivo sea reconocido como módem:

Mar 19 04:19:54 b kernel: [ 9796.066298] usb 1-5: USB disconnect, device number 2
Mar 19 04:19:54 b kernel: [ 9796.438807] usb 1-5: new high-speed USB device number 4 using ehci-pci
Mar 19 04:19:55 b kernel: [ 9796.572431] usb 1-5: New USB device found, idVendor=12d1, idProduct=1575
Mar 19 04:19:55 b kernel: [ 9796.572437] usb 1-5: New USB device strings: Mfr=5, Product=4, SerialNumber=0
Mar 19 04:19:55 b kernel: [ 9796.572440] usb 1-5: Product: K5150
Mar 19 04:19:55 b kernel: [ 9796.572444] usb 1-5: Manufacturer: Vodafone (Huawei)
Mar 19 04:19:55 b kernel: [ 9796.639247] cdc_ether 1-5:1.0 eth0: register 'cdc_ether' at usb-0000:00:1d.7-5, CDC Ethernet Device, 58:2c:80:13:92:63
Mar 19 04:19:55 b kernel: [ 9796.639292] usbcore: registered new interface driver cdc_ether
Mar 19 04:19:55 b kernel: [ 9796.650152] cdc_ether 1-5:1.0 enx582c80139263: renamed from eth0

y

ifconfig enx582c80139263
enx582c80139263 Link encap:Ethernet  HWaddr 58:2c:80:13:92:63  
      BROADCAST MULTICAST  MTU:1500  Metric:1
      RX packets:0 errors:0 dropped:0 overruns:0 frame:0
      TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
      collisions:0 txqueuelen:1000 
      RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

pero:

ls -l /sys/bus/usb-serial/devices
total 0
lrwxrwxrwx 1 root root 0 Mar 19 07:15 ttyUSB0 -> ../../../devices/pci0000:00/0000:00:1d.3/usb5/5-2/5-2:1.0/ttyUSB0

y

udevadm info --name=/dev/ttyUSB0
P: /devices/pci0000:00/0000:00:1d.3/usb5/5-2/5-2:1.0/ttyUSB0/tty/ttyUSB0
N: ttyUSB0
S: rfxcom
...

que es otro dispositivo

¿Cómo obtengo un dispositivo para (/ dev / X) para el K5150?