Sep 16 12:48:36 armadillo NetworkManager[814]: [1537102116.6654] device (ttyUSB2): Activation: starting connection 'gsm-ttyACM0' (42daa675-62d8-4922-a7d6-4d568a9013e3) Sep 16 12:48:36 armadillo NetworkManager[814]: [1537102116.6696] audit: op="connection-activate" uuid="42daa675-62d8-4922-a7d6-4d568a9013e3" name="gsm-ttyACM0" pid=3424 uid=0 result="success" Sep 16 12:48:36 armadillo NetworkManager[814]: [1537102116.6752] device (ttyUSB2): state change: disconnected -> prepare (reason 'none') [30 40 0] Sep 16 12:48:36 armadillo NetworkManager[814]: [1537102116.6807] device (ttyUSB2): state change: prepare -> need-auth (reason 'none') [40 60 0] Sep 16 12:48:36 armadillo NetworkManager[814]: [1537102116.7139] device (ttyUSB2): state change: need-auth -> prepare (reason 'none') [60 40 0] Sep 16 12:48:36 armadillo ModemManager[710]: Simple connect started... Sep 16 12:48:36 armadillo ModemManager[710]: Simple connect state (4/8): Wait to get fully enabled Sep 16 12:48:36 armadillo ModemManager[710]: Simple connect state (5/8): Register Sep 16 12:48:36 armadillo ModemManager[710]: Simple connect state (6/8): Bearer Sep 16 12:48:36 armadillo ModemManager[710]: Simple connect state (7/8): Connect Sep 16 12:48:36 armadillo ModemManager[710]: Modem /org/freedesktop/ModemManager1/Modem/0: state changed (registered -> connecting) Sep 16 12:48:36 armadillo ModemManager[710]: (ttyUSB3): port attributes not fully set Sep 16 12:48:36 armadillo ModemManager[710]: Modem /org/freedesktop/ModemManager1/Modem/0: state changed (connecting -> connected) Sep 16 12:48:36 armadillo ModemManager[710]: Simple connect state (8/8): All done Sep 16 12:48:36 armadillo NetworkManager[814]: [1537102116.7979] device (ttyUSB2): ip-ifname: set ifname 'ttyUSB3', unknown ifindex Sep 16 12:48:36 armadillo NetworkManager[814]: [1537102116.7990] device (ttyUSB2): state change: prepare -> config (reason 'none') [40 50 0] Sep 16 12:48:36 armadillo NetworkManager[814]: [1537102116.8006] device (ttyUSB2): state change: config -> ip-config (reason 'none') [50 70 0] Sep 16 12:48:36 armadillo NetworkManager[814]: [1537102116.8060] device (ttyUSB2): interface ttyUSB3 not up for IP configuration Sep 16 12:48:36 armadillo NetworkManager[814]: [1537102116.8062] (ttyUSB2): using modem-specified IP timeout: 20 seconds Sep 16 12:48:36 armadillo NetworkManager[814]: [1537102116.8076] ppp-manager: starting PPP connection Sep 16 12:48:36 armadillo NetworkManager[814]: [1537102116.8148] ppp-manager: pppd started with pid 3430 Sep 16 12:48:36 armadillo pppd[3430]: Plugin /usr/lib/pppd/2.4.7/nm-pppd-plugin.so loaded. Sep 16 12:48:36 armadillo NetworkManager[814]: Plugin /usr/lib/pppd/2.4.7/nm-pppd-plugin.so loaded. Sep 16 12:48:36 armadillo pppd[3430]: nm-ppp-plugin: (plugin_init): initializing Sep 16 12:48:36 armadillo pppd[3430]: pppd 2.4.7 started by root, uid 0 Sep 16 12:48:36 armadillo pppd[3430]: nm-ppp-plugin: (nm_phasechange): status 3 / phase 'serial connection' Sep 16 12:48:36 armadillo pppd[3430]: Using interface ppp0 Sep 16 12:48:36 armadillo NetworkManager[814]: Using interface ppp0 Sep 16 12:48:36 armadillo NetworkManager[814]: Connect: ppp0 <--> /dev/ttyUSB3 Sep 16 12:48:36 armadillo pppd[3430]: nm-ppp-plugin: (nm_phasechange): status 5 / phase 'establish' Sep 16 12:48:36 armadillo pppd[3430]: Connect: ppp0 <--> /dev/ttyUSB3 Sep 16 12:48:36 armadillo pppd[3430]: nm-ppp-plugin: (nm_phasechange): status 6 / phase 'authenticate' Sep 16 12:48:36 armadillo pppd[3430]: nm-ppp-plugin: (get_credentials): passwd-hook, requesting credentials... Sep 16 12:48:36 armadillo NetworkManager[814]: [1537102116.8802] manager: (ppp0): new Generic device (/org/freedesktop/NetworkManager/Devices/61) Sep 16 12:48:36 armadillo pppd[3430]: nm-ppp-plugin: (get_credentials): got credentials from NetworkManager Sep 16 12:48:36 armadillo pppd[3430]: CHAP authentication succeeded Sep 16 12:48:36 armadillo NetworkManager[814]: CHAP authentication succeeded Sep 16 12:48:36 armadillo NetworkManager[814]: CHAP authentication succeeded Sep 16 12:48:36 armadillo pppd[3430]: nm-ppp-plugin: (nm_phasechange): status 8 / phase 'network' Sep 16 12:48:36 armadillo pppd[3430]: CHAP authentication succeeded Sep 16 12:48:36 armadillo NetworkManager[814]: [1537102116.9564] devices added (path: /sys/devices/virtual/net/ppp0, iface: ppp0) Sep 16 12:48:36 armadillo NetworkManager[814]: [1537102116.9565] device added (path: /sys/devices/virtual/net/ppp0, iface: ppp0): no ifupdown configuration found. Sep 16 12:48:37 armadillo pppd[3430]: Modem hangup Sep 16 12:48:37 armadillo NetworkManager[814]: Modem hangup Sep 16 12:48:37 armadillo NetworkManager[814]: Connection terminated. Sep 16 12:48:37 armadillo pppd[3430]: nm-ppp-plugin: (nm_phasechange): status 5 / phase 'establish' Sep 16 12:48:37 armadillo pppd[3430]: Connection terminated. Sep 16 12:48:37 armadillo pppd[3430]: nm-ppp-plugin: (nm_phasechange): status 11 / phase 'disconnect' Sep 16 12:48:37 armadillo NetworkManager[814]: [1537102117.0529] devices removed (path: /sys/devices/virtual/net/ppp0, iface: ppp0) Sep 16 12:48:38 armadillo pppd[3430]: nm-ppp-plugin: (nm_phasechange): status 1 / phase 'dead' Sep 16 12:48:38 armadillo pppd[3430]: nm-ppp-plugin: (nm_exit_notify): cleaning up Sep 16 12:48:38 armadillo pppd[3430]: Exit. Sep 16 12:48:38 armadillo NetworkManager[814]: [1537102118.0657] ppp-manager: pppd pid 3430 exited with error: A modem hung up the phone Sep 16 12:48:38 armadillo NetworkManager[814]: [1537102118.0660] device (ttyUSB2): state change: ip-config -> failed (reason 'ip-config-unavailable') [70 120 5] Sep 16 12:48:38 armadillo NetworkManager[814]: [1537102118.0719] policy: disabling autoconnect for connection 'gsm-ttyACM0'. Sep 16 12:48:38 armadillo NetworkManager[814]: [1537102118.0762] device (ttyUSB2): Activation: failed for connection 'gsm-ttyACM0' Sep 16 12:48:38 armadillo NetworkManager[814]: [1537102118.0811] device (ttyUSB2): state change: failed -> disconnected (reason 'none') [120 30 0] Sep 16 12:48:38 armadillo ModemManager[710]: Modem /org/freedesktop/ModemManager1/Modem/0: state changed (connected -> disconnecting) Sep 16 12:48:39 armadillo ModemManager[710]: (ttyUSB3): port attributes not fully set r