fabio@fabio-AO751h:~$ dmesg | tail 
[ 9419.463759] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB0
[ 9419.465666] option 1-1:1.1: GSM modem (1-port) converter detected
[ 9419.466187] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB1
[ 9419.466752] usb-storage 1-1:1.2: USB Mass Storage device detected
[ 9419.471684] scsi host2: usb-storage 1-1:1.2
[ 9419.473369] option 1-1:1.3: GSM modem (1-port) converter detected
[ 9419.474242] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB2
[ 9420.484704] scsi 2:0:0:0: Direct-Access     USBModem MMC Storage      2.31 PQ: 0 ANSI: 2
[ 9420.491704] sd 2:0:0:0: Attached scsi generic sg1 type 0
[ 9420.497346] sd 2:0:0:0: [sdb] Attached SCSI removable disk