Passwort: 
linux-ff41:~ # service NetworkManager status
NetworkManager.service - Network Manager
   Loaded: loaded (/usr/lib/systemd/system/NetworkManager.service; enabled)
   Active: active (running) since Mon 2015-01-05 16:48:30 CET; 1h 34min ago
 Main PID: 676 (NetworkManager)
   CGroup: /system.slice/NetworkManager.service
           ├─ 676 /usr/sbin/NetworkManager --no-daemon
           └─1313 /sbin/dhclient -d -sf /usr/lib/nm-dhcp-client.action -pf /var/run/dhclient-eth0.pid -lf /var/lib/NetworkManager/dhclient-a4ee8f2f-1724-4cb9-ac38-e9a62a28c3d1-eth0.lease -cf /var/lib/NetworkManager/dhclient-eth0.conf eth0

Jan 05 17:46:07 linux-ff41.site NetworkManager[676]: <info> Activation (ttyUSB1) Stage 1 of 5 (Device Prepare) started...
Jan 05 17:46:07 linux-ff41.site NetworkManager[676]: <info> Activation (ttyUSB1) Stage 1 of 5 (Device Prepare) complete.
Jan 05 17:46:07 linux-ff41.site NetworkManager[676]: <info> (ttyUSB1): device state change: prepare -> need-auth (reason 'none') [40 60 0]
Jan 05 17:46:07 linux-ff41.site NetworkManager[676]: has_system_secrets: assertion 'setting_name != NULL' failed
Jan 05 17:48:07 linux-ff41.site NetworkManager[676]: <warn> No agents were available for this request.
Jan 05 17:48:07 linux-ff41.site NetworkManager[676]: <info> (ttyUSB1): device state change: need-auth -> failed (reason 'no-secrets') [60 120 7]
Jan 05 17:48:07 linux-ff41.site NetworkManager[676]: <info> Marking connection 'Internet' invalid.
Jan 05 17:48:07 linux-ff41.site NetworkManager[676]: <warn> Activation (ttyUSB1) failed for connection 'Internet'
Jan 05 17:48:07 linux-ff41.site NetworkManager[676]: <info> (ttyUSB1): device state change: failed -> disconnected (reason 'none') [120 30 0]
Jan 05 17:48:07 linux-ff41.site NetworkManager[676]: <info> (ttyUSB1): deactivating device (reason 'none') [0]
linux-ff41:~ #