I can no longer use my WWAN connection.
Networkmanager logs:
---
2015-01-10T10:09:48.094382+01:00 sandpuppy NetworkManager[1600]: <info>
Activation (ttyUSB2) Stage 1 of 5 (Device Prepare) scheduled...
2015-01-10T10:09:48.095054+01:00 sandpuppy NetworkManager[1600]: <info>
Activation (ttyUSB2) Stage 1 of 5 (Device Prepare) started...
2015-01-10T10:09:48.095615+01:00 sandpuppy NetworkManager[1600]: <info>
(ttyUSB2): device state change: need-auth -> prepare (reason 'none') [60 40 0]
2015-01-10T10:09:48.096162+01:00 sandpuppy NetworkManager[1600]: <info>
Activation (ttyUSB2) Stage 1 of 5 (Device Prepare) complete.
2015-01-10T10:09:48.103749+01:00 sandpuppy NetworkManager[1600]: <warn>
(ttyUSB2) failed to connect modem: PolicyKit authorization error: 'authority
not found'
2015-01-10T10:09:48.104445+01:00 sandpuppy NetworkManager[1600]: <info>
(ttyUSB2): device state change: prepare -> failed (reason '(null)') [40 120 1]
2015-01-10T10:09:48.105036+01:00 sandpuppy NetworkManager[1600]: <info>
NetworkManager state is now CONNECTED_LOCAL
2015-01-10T10:09:48.106073+01:00 sandpuppy NetworkManager[1600]: <info>
Disabling autoconnect for connection 'A1/Telekom Austria - A1 Breitband'.
2015-01-10T10:09:48.106571+01:00 sandpuppy NetworkManager[1600]: <warn>
Activation (ttyUSB2) failed for connection 'A1/Telekom Austria - A1 Breitband'
2015-01-10T10:09:48.107030+01:00 sandpuppy NetworkManager[1600]: <info>
(ttyUSB2): device state change: failed -> disconnected (reason 'none') [120 30
0]
2015-01-10T10:09:48.107482+01:00 sandpuppy NetworkManager[1600]: <info>
(ttyUSB2): deactivating device (reason 'none') [0]
2015-01-10T10:10:25.290151+01:00 sandpuppy NetworkManager[1600]: <info>
Activation (ttyUSB2) starting connection 'A1/Telekom Austria - A1 Breitband'
2015-01-10T10:10:25.291302+01:00 sandpuppy NetworkManager[1600]: <info>
Activation (ttyUSB2) Stage 1 of 5 (Device Prepare) scheduled...
2015-01-10T10:10:25.292154+01:00 sandpuppy NetworkManager[1600]: <info>
Activation (ttyUSB2) Stage 1 of 5 (Device Prepare) started...
2015-01-10T10:10:25.292931+01:00 sandpuppy NetworkManager[1600]: <info>
(ttyUSB2): device state change: disconnected -> prepare (reason 'none') [30 40
0]
2015-01-10T10:10:25.293724+01:00 sandpuppy NetworkManager[1600]: <info>
NetworkManager state is now CONNECTING
2015-01-10T10:10:25.294449+01:00 sandpuppy NetworkManager[1600]: <info>
(ttyUSB2): device state change: prepare -> need-auth (reason 'none') [40 60 0]
2015-01-10T10:10:25.295167+01:00 sandpuppy NetworkManager[1600]: <info>
Activation (ttyUSB2) Stage 1 of 5 (Device Prepare) complete.
2015-01-10T10:10:25.318331+01:00 sandpuppy NetworkManager[1600]:
(NetworkManager:1600): libnm-util-CRITICAL **: get_secret_flags: assertion
'is_secret_prop (setting, secret_name, error)' failed
2015-01-10T10:10:25.393312+01:00 sandpuppy NetworkManager[1600]: <info>
Activation (ttyUSB2) Stage 1 of 5 (Device Prepare) scheduled...
2015-01-10T10:10:25.393994+01:00 sandpuppy NetworkManager[1600]: <info>
Activation (ttyUSB2) Stage 1 of 5 (Device Prepare) started...
2015-01-10T10:10:25.394531+01:00 sandpuppy NetworkManager[1600]: <info>
(ttyUSB2): device state change: need-auth -> prepare (reason 'none') [60 40 0]
2015-01-10T10:10:25.395268+01:00 sandpuppy NetworkManager[1600]: <info>
Activation (ttyUSB2) Stage 1 of 5 (Device Prepare) complete.
2015-01-10T10:10:25.402549+01:00 sandpuppy NetworkManager[1600]: <warn>
(ttyUSB2) failed to connect modem: PolicyKit authorization error: 'authority
not found'
2015-01-10T10:10:25.403277+01:00 sandpuppy NetworkManager[1600]: <info>
(ttyUSB2): device state change: prepare -> failed (reason '(null)') [40 120 1]
2015-01-10T10:10:25.404311+01:00 sandpuppy NetworkManager[1600]: <info>
NetworkManager state is now CONNECTED_LOCAL
2015-01-10T10:10:25.404927+01:00 sandpuppy NetworkManager[1600]: <info>
Disabling autoconnect for connection 'A1/Telekom Austria - A1 Breitband'.
2015-01-10T10:10:25.405455+01:00 sandpuppy NetworkManager[1600]: <warn>
Activation (ttyUSB2) failed for connection 'A1/Telekom Austria - A1 Breitband'
2015-01-10T10:10:25.405993+01:00 sandpuppy NetworkManager[1600]: <info>
(ttyUSB2): device state change: failed -> disconnected (reason 'none') [120 30
0]
2015-01-10T10:10:25.406506+01:00 sandpuppy NetworkManager[1600]: <info>
(ttyUSB2): deactivating device (reason 'none') [0]
---

Any ideas?