ModemManager fail without dms-set-fcc-authentication

Jun 01 09:40:01 six NetworkManager[3406]: <info>  [1464766801.6766] (cdc-wdm0): modem state changed, 'connecting' --> 'registered' (reason: user-requested)
Jun 01 09:40:01 six ModemManager[3350]: <info>  Simple connect started...
Jun 01 09:40:01 six ModemManager[3350]: <info>  Simple connect state (4/8): Wait to get fully enabled
Jun 01 09:40:01 six ModemManager[3350]: <info>  Simple connect state (5/8): Register
Jun 01 09:40:01 six ModemManager[3350]: <info>  Simple connect state (6/8): Bearer
Jun 01 09:40:01 six ModemManager[3350]: <info>  Simple connect state (7/8): Connect
Jun 01 09:40:01 six ModemManager[3350]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (registered -> connecting)
Jun 01 09:40:01 six NetworkManager[3406]: <info>  [1464766801.6946] (cdc-wdm0): modem state changed, 'registered' --> 'connecting' (reason: user-requested)
Jun 01 09:40:01 six ModemManager[3350]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (connecting -> registered)
Jun 01 09:40:01 six NetworkManager[3406]: <info>  [1464766801.8661] (cdc-wdm0): modem state changed, 'connecting' --> 'registered' (reason: user-requested)
Jun 01 09:40:01 six ModemManager[3350]: <info>  Simple connect started...
Jun 01 09:40:01 six ModemManager[3350]: <info>  Simple connect state (4/8): Wait to get fully enabled
Jun 01 09:40:01 six ModemManager[3350]: <info>  Simple connect state (5/8): Register
Jun 01 09:40:01 six ModemManager[3350]: <info>  Simple connect state (6/8): Bearer
Jun 01 09:40:01 six ModemManager[3350]: <info>  Simple connect state (7/8): Connect
Jun 01 09:40:01 six ModemManager[3350]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (registered -> connecting)
Jun 01 09:40:01 six NetworkManager[3406]: <info>  [1464766801.8727] (cdc-wdm0): modem state changed, 'registered' --> 'connecting' (reason: user-requested)
Jun 01 09:40:02 six ModemManager[3350]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (connecting -> registered)
Jun 01 09:40:02 six NetworkManager[3406]: <info>  [1464766802.0609] (cdc-wdm0): modem state changed, 'connecting' --> 'registered' (reason: user-requested)
Jun 01 09:40:02 six NetworkManager[3406]: <warn>  [1464766802.0612] (cdc-wdm0): failed to connect modem: Unknown error (50)
Jun 01 09:40:02 six NetworkManager[3406]: <info>  [1464766802.0613] device (cdc-wdm0): state change: prepare -> failed (reason 'unknown') [40 120 1]
Jun 01 09:40:02 six NetworkManager[3406]: <warn>  [1464766802.0650] device (cdc-wdm0): Activation: failed for connection '1&1 Mobile Broadband'
Jun 01 09:40:02 six NetworkManager[3406]: <info>  [1464766802.0752] device (cdc-wdm0): state change: failed -> disconnected (reason 'none') [120 30 0]