GSM modem
Driver: 'nozomi'
Modem device: '/sys/devices/pci0000:00/0000:00:1e.0/0000:15:00.0/0000:16:00.0'
Data device: 'noz2'
Traceback (most recent call last):
  File "./mm-test.py", line 296, in <module>
    modem.Enable(True)
  File "/usr/lib/pymodules/python2.6/dbus/proxies.py", line 140, in __call__
    **keywords)
  File "/usr/lib/pymodules/python2.6/dbus/connection.py", line 620, in call_blocking
    message, timeout)
dbus.exceptions.DBusException: org.freedesktop.ModemManager.Modem.Gsm.Unknown: Unknown error