Ok, it indeed ended after some time:

phablet@ubuntu-phablet:/usr/share/ofono/scripts$ ./list-modems 
[ /ril_1 ]
   Model = Fake Modem Model
   Online = 1
   Emergency = 0
   Lockdown = 0
   Manufacturer = Fake Manufacturer
   Interfaces = org.ofono.RadioSettings org.ofono.SimManager org.ofono.MtkSettings org.ofono.CallVolume org.ofono.VoiceCallManager org.ofono.NetworkTime    Serial = 359011060053356
   Powered = 1
   Revision = MOLY.WR8.W1315.MD.WG.MP.V37.P5, 2014/05/15 11:49
   Type = hardware
   Features = rat sim    [ org.ofono.RadioSettings ]
       TechnologyPreference = umts
       FastDormancy = 0
       ModemTechnologies = gsm umts    [ org.ofono.SimManager ]
       Present = 0
   [ org.ofono.MtkSettings ]
       Has3G = 1
   [ org.ofono.CallVolume ]
       SpeakerVolume = 0
       Muted = 0
       MicrophoneVolume = 0
   [ org.ofono.VoiceCallManager ]
       EmergencyNumbers = 08 000 999 110 112 911 118 119    [ org.ofono.NetworkTime ]

[ /ril_0 ]
   Model = Fake Modem Model
   Online = 1
   Emergency = 0
   Lockdown = 0
   Manufacturer = Fake Manufacturer
   Interfaces = org.ofono.ConnectionManager org.ofono.Phonebook org.ofono.CallBarring org.ofono.CallForwarding org.ofono.CallSettings org.ofono.SupplementaryServices org.ofono.NetworkRegistration org.ofono.SmartMessaging org.ofono.PushNotification org.ofono.MessageManager org.ofono.MessageWaiting org.ofono.RadioSettings org.ofono.SimManager org.ofono.MtkSettings org.ofono.CallVolume org.ofono.VoiceCallManager org.ofono.NetworkTime    Serial = 359011060013350
   Powered = 1
   Revision = MOLY.WR8.W1315.MD.WG.MP.V37.P5, 2014/05/15 11:49
   Type = hardware
   Features = gprs ussd net sms rat sim    [ org.ofono.ConnectionManager ]
       Powered = 0
       Attached = 0
       RoamingAllowed = 1
       Bearer = none
   [ org.ofono.Phonebook ]
   [ org.ofono.CallBarring ]
   [ org.ofono.CallForwarding ]
   [ org.ofono.CallSettings ]
       HideCallerId = default
       CalledLinePresentation = disabled
       CallingLinePresentation = unknown
       CallingLineRestriction = unknown
       VoiceCallWaiting = disabled
       CallingNamePresentation = unknown
       ConnectedLinePresentation = unknown
       ConnectedLineRestriction = unknown
   [ org.ofono.SupplementaryServices ]
       State = idle
   [ org.ofono.NetworkRegistration ]
       Status = searching
       Mode = auto
       Name =    [ org.ofono.SmartMessaging ]
   [ org.ofono.PushNotification ]
   [ org.ofono.MessageManager ]
       ServiceCenterAddress = +31640191919
       Alphabet = default
       UseDeliveryReports = 0
       Bearer = cs-preferred
   [ org.ofono.MessageWaiting ]
       VoicemailMessageCount = 0
       VoicemailWaiting = 0
       VoicemailMailboxNumber =    [ org.ofono.RadioSettings ]
       TechnologyPreference = gsm
       FastDormancy = 0
       ModemTechnologies = gsm    [ org.ofono.SimManager ]
       SubscriberNumbers =        Present = 1
       Retries = [puk2 = 10] [pin2 = 3] [puk = 10] [pin = 3]        BarredDialing = 0
       FixedDialing = 0
       CardIdentifier = 89314226511003432302
       MobileCountryCode = 204
       PreferredLanguages = nl en        PinRequired = none
       SubscriberIdentity = 204021001465696
       MobileNetworkCode = 02
       LockedPins =    [ org.ofono.MtkSettings ]
       Has3G = 0
   [ org.ofono.CallVolume ]
       SpeakerVolume = 0
       Muted = 0
       MicrophoneVolume = 0
   [ org.ofono.VoiceCallManager ]
       EmergencyNumbers = 08 000 999 110 112 911 118 119    [ org.ofono.NetworkTime ]