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Resin cell #19

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abkfenris opened this issue Apr 11, 2017 · 10 comments
Open

Resin cell #19

abkfenris opened this issue Apr 11, 2017 · 10 comments

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@abkfenris
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abkfenris commented Apr 11, 2017 •
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modprobe sierra
modprobe sierra_net

Other commands:

  • dmesg
  • lsmod
  • lsusb
  • ls /dev/
  • modinfo sierra
  • modinfo sierra_net
  • insmod doesn't work

General NetworkManager

Configure from python

Sierra modem:

Resin
@abkfenris
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When connecting the modem while running dmesg showed a babble error, which appears to happen when the ground is shorted and voltage is off.

Not the biggest issue as we aren't going to be able to reconnect the modems in the field.

Instead if we can virtually disconnect them or power cycle them, then we might be cooking with gas.

root@ebc3fdb:/gage# modprobe sierra
root@ebc3fdb:/gage# modprobe sierra_net

root@ebc3fdb:/gage# sh -c "echo 0 > /sys/bus/usb/devices/1-1/authorized"

root@ebc3fdb:/gage# lsusb
Bus 001 Device 004: ID 0424:2512 Standard Microsystems Corp. USB 2.0 Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

root@ebc3fdb:/gage# sh -c "echo 1 > /sys/bus/usb/devices/1-1/authorized"

root@ebc3fdb:/gage# lsusb
Bus 001 Device 005: ID 1199:0301 Sierra Wireless, Inc.
Bus 001 Device 006: ID 198f:0220 Beceem Communications Inc. BCSM250 WiMAX Adapter
Bus 001 Device 004: ID 0424:2512 Standard Microsystems Corp. USB 2.0 Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Doesn't appear to error if called multiple times, but might want to see if the modem is found before cycling needlessly.

@abkfenris abkfenris mentioned this issue Apr 14, 2017
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abkfenris added a commit that referenced this issue Apr 14, 2017
@abkfenris
May have fixed loading and enumerating the Sierra cell modem. Still n…
41a36de 
…eed to check and write networking config

Works on #19
@abkfenris
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Doesn't require int system to be active

@abkfenris
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s_con = dbus.Dictionary({
    'type': 'cdma',
    'uuid': '02d5e625-86a7-448e-8880-91e0977ad4e5',
    'autoconnect': True,
    'id': 'ting-sierra-250u'})

s_ipv4 = dbus.Dictionary({
    'method': 'auto'})

s_serial = dbus.Dictionary({
    'baud': 921600})

s_cdma = dbus.Dictionary({
    'number': '#777'
})

s_ipv6 = dbus.Dictionary({
    'method': 'auto'})

con = dbus.Dictionary({
    'connection': s_con,
    'cdma': s_cdma,
    'ipv4': s_ipv4,
    'ipv6': s_ipv6,
    'serial': s_serial})

bus = dbus.SystemBus()
proxy = bus.get_object("org.freedesktop.NetworkManager", 
    "/org/freedesktop/NetworkManager/Settings")
settings = dbus.Interface(proxy, "org.freedesktop.NetworkManager.Settings")
settings.AddConnection(con)

Use
journalctl -u NetworkManager -n100 and journalctl -u ModemManager -n100 to see what is going on.

@abkfenris
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Compare connection UUIDs. If they are different then remove old and install new.

@abkfenris
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worked in host if I

nmcli c edit con-name ting # set ppp.baud to 460800
modprobe sierra
modprobe sierra_net
sh -c "echo 0 > /sys/bus/usb/devices/1-1/authorized"
sh -c "echo 1 > /sys/bus/usb/devices/1-1/authorized"

nmcli d

ttyUSB0    cdma      connected  ting
eth0       ethernet  connected  Wired connection 1
docker0    bridge    unmanaged  --
lo         loopback  unmanaged  --
resin-vpn  tun       unmanaged  --

nmcli

ttyUSB0: connected to ting
	"Sierra Wireless Device"
	cdma (sierra), hw, iface ppp
	inet4 72.60.54.229/32

eth0: connected to Wired connection 1
	ethernet (cpsw), B0:D5:CC:FD:53:20, hw, mtu 1500
	ip4 default
	inet4 192.168.6.42/23
	route4 192.168.1.5/32
	inet6 fe80::3cbe:bbb0:bf11:9e1a/64

docker0: unmanaged
	bridge, 02:42:9C:63:77:DB, sw, mtu 1500

lo: unmanaged
	loopback (unknown), 00:00:00:00:00:00, sw, mtu 65536

resin-vpn: unmanaged
	tun, sw, mtu 1500

Use "nmcli device show" to get complete information about known devices and
"nmcli connection show" to get an overview on active connection profiles.

Consult nmcli(1) and nmcli-examples(5) manual pages for complete usage details.

@abkfenris
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Was not able to repeat with a network manager config through reboot even with

modprobe sierra
modprobe sierra_net
sh -c "echo 0 > /sys/bus/usb/devices/1-1/authorized"
sh -c "echo 1 > /sys/bus/usb/devices/1-1/authorized"

again

@abkfenris
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Didn't work. Rebooting without connection in state and working in host.

root@d3896e6:~# nmcli c
NAME                UUID                                  TYPE             DEVICE
Wired connection 1  b3e9f113-8957-3a49-b158-24d3a92a4136  802-3-ethernet   eth0
resin-sample        bcb05b81-52cb-3828-8088-c0f55e950375  802-11-wireless  --
root@d3896e6:~# nmcli c edit con-name ting
Valid connection types: generic, 802-3-ethernet (ethernet), pppoe, 802-11-wireless (wifi), wimax, gsm, cdma, infiniband, adsl, bluetooth, vpn, 802-11-olpc-mesh (olpc-mesh), vlan, bond, team, bridge, bond-slave, team-slave, bridge-slave, no-slave, tun, ip-tunnel, macvlan, vxlan
Enter connection type: cdma

===| nmcli interactive connection editor |===

Adding a new 'cdma' connection

Type 'help' or '?' for available commands.
Type 'describe [<setting>.<prop>]' for detailed property description.

You may edit the following settings: connection, cdma, serial, ppp, ipv4, ipv6
nmcli> set ppp.baud 460800
nmcli> save
Saving the connection with 'autoconnect=yes'. That might result in an immediate activation of the connection.
Do you still want to save? (yes/no) [yes] yes
Connection 'ting' (01529e25-6a53-45ff-9b10-458c181cb5df) successfully saved.
nmcli> quit
root@d3896e6:~# nmcli c
NAME                UUID                                  TYPE             DEVICE
Wired connection 1  b3e9f113-8957-3a49-b158-24d3a92a4136  802-3-ethernet   eth0
resin-sample        bcb05b81-52cb-3828-8088-c0f55e950375  802-11-wireless  --
ting                01529e25-6a53-45ff-9b10-458c181cb5df  cdma             --
root@d3896e6:~# modprobe sierra
root@d3896e6:~# modprobe sierra_net
root@d3896e6:~# sh -c "echo 0 > /sys/bus/usb/devices/1-1/authorized"
root@d3896e6:~# sh -c "echo 1 > /sys/bus/usb/devices/1-1/authorized"
root@d3896e6:~# nmcli d
DEVICE     TYPE      STATE      CONNECTION
eth0       ethernet  connected  Wired connection 1
docker0    bridge    unmanaged  --
lo         loopback  unmanaged  --
resin-vpn  tun       unmanaged  --
root@d3896e6:~# nmcli d
DEVICE     TYPE      STATE                 CONNECTION
eth0       ethernet  connected             Wired connection 1
ttyUSB0    cdma      connecting (prepare)  ting
docker0    bridge    unmanaged             --
lo         loopback  unmanaged             --
resin-vpn  tun       unmanaged             --
root@d3896e6:~# nmcli d
DEVICE     TYPE      STATE         CONNECTION
eth0       ethernet  connected     Wired connection 1
ttyUSB0    cdma      disconnected  --
docker0    bridge    unmanaged     --
lo         loopback  unmanaged     --
resin-vpn  tun       unmanaged     --
root@d3896e6:~# nmcli d
DEVICE     TYPE      STATE         CONNECTION
eth0       ethernet  connected     Wired connection 1
ttyUSB0    cdma      disconnected  --
docker0    bridge    unmanaged     --
lo         loopback  unmanaged     --
resin-vpn  tun       unmanaged     --
root@d3896e6:~# journalctl -u NetworkManager -u ModemManager -n 100 | cat
-- Logs begin at Tue 2017-04-18 23:35:47 UTC, end at Tue 2017-04-18 23:38:32 UTC. --
Apr 18 23:36:25 d3896e6 NetworkManager[692]: <info>  [1492558585.1613] policy: set 'Wired connection 1' (eth0) as default for IPv4 routing and DNS
Apr 18 23:36:25 d3896e6 NetworkManager[692]: <info>  [1492558585.1694] dns-mgr: Writing DNS information to /sbin/resolvconf
Apr 18 23:36:25 d3896e6 NetworkManager[692]: <info>  [1492558585.5106] device (eth0): Activation: successful, device activated.
Apr 18 23:36:25 d3896e6 NetworkManager[692]: <info>  [1492558585.5375] manager: startup complete
Apr 18 23:36:31 d3896e6 NetworkManager[692]: <info>  [1492558591.8343] manager: (resin-vpn): new Tun device (/org/freedesktop/NetworkManager/Devices/3)
Apr 18 23:37:15 d3896e6 NetworkManager[692]: <info>  [1492558635.6966] keyfile: add connection /etc/NetworkManager/system-connections/ting (01529e25-6a53-45ff-9b10-458c181cb5df,"ting")
Apr 18 23:37:15 d3896e6 NetworkManager[692]: <info>  [1492558635.7197] audit: op="connection-add" uuid="01529e25-6a53-45ff-9b10-458c181cb5df" name="ting" pid=1142 uid=0 result="success"
Apr 18 23:37:52 d3896e6 ModemManager[580]: <warn>  (ttyUSB1): port attributes not fully set
Apr 18 23:37:52 d3896e6 ModemManager[580]: <warn>  (ttyUSB3): port attributes not fully set
Apr 18 23:37:52 d3896e6 ModemManager[580]: <warn>  (ttyUSB0): port attributes not fully set
Apr 18 23:37:52 d3896e6 ModemManager[580]: <warn>  (ttyUSB2): port attributes not fully set
Apr 18 23:38:04 d3896e6 ModemManager[580]: <info>  Creating modem with plugin 'Sierra (legacy)' and '4' ports
Apr 18 23:38:04 d3896e6 ModemManager[580]: <warn>  Could not grab port (tty/ttyUSB1): 'Cannot add port 'tty/ttyUSB1', unhandled serial type'
Apr 18 23:38:04 d3896e6 ModemManager[580]: <warn>  Could not grab port (tty/ttyUSB3): 'Cannot add port 'tty/ttyUSB3', unhandled serial type'
Apr 18 23:38:04 d3896e6 ModemManager[580]: <warn>  Could not grab port (tty/ttyUSB2): 'Cannot add port 'tty/ttyUSB2', unhandled serial type'
Apr 18 23:38:04 d3896e6 ModemManager[580]: <warn>  (ttyUSB0): port attributes not fully set
Apr 18 23:38:04 d3896e6 ModemManager[580]: <info>  Modem for device at '/sys/devices/platform/ocp/47400000.usb/47401c00.usb/musb-hdrc.1.auto/usb1/1-1/1-1.2' successfully created
Apr 18 23:38:04 d3896e6 ModemManager[580]: <warn>  Couldn't load unlock retries: 'Unknown error'
Apr 18 23:38:04 d3896e6 ModemManager[580]: <info>  Modem: state changed (unknown -> disabled)
Apr 18 23:38:04 d3896e6 NetworkManager[692]: <info>  [1492558684.6478] (ttyUSB0): modem state changed, 'disabled' --> 'enabling' (reason: user preference)
Apr 18 23:38:04 d3896e6 NetworkManager[692]: <info>  [1492558684.6754] manager: (ttyUSB0): new Broadband device (/org/freedesktop/NetworkManager/Devices/4)
Apr 18 23:38:04 d3896e6 NetworkManager[692]: <info>  [1492558684.6872] device (ttyUSB0): state change: unmanaged -> unavailable (reason 'managed') [10 20 2]
Apr 18 23:38:04 d3896e6 NetworkManager[692]: <info>  [1492558684.6980] device (ttyUSB0): modem state 'enabling'
Apr 18 23:38:04 d3896e6 NetworkManager[692]: <info>  [1492558684.7043] modem-broadband[ttyUSB0]: failed to retrieve SIM object: No SIM object available
Apr 18 23:38:04 d3896e6 NetworkManager[692]: <info>  [1492558684.7258] device (ttyUSB0): state change: unavailable -> disconnected (reason 'none') [20 30 0]
Apr 18 23:38:04 d3896e6 NetworkManager[692]: <info>  [1492558684.7432] policy: auto-activating connection 'ting'
Apr 18 23:38:04 d3896e6 NetworkManager[692]: <info>  [1492558684.7773] device (ttyUSB0): Activation: starting connection 'ting' (01529e25-6a53-45ff-9b10-458c181cb5df)
Apr 18 23:38:04 d3896e6 NetworkManager[692]: <info>  [1492558684.7860] device (ttyUSB0): state change: disconnected -> prepare (reason 'none') [30 40 0]
Apr 18 23:38:04 d3896e6 ModemManager[580]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (disabled -> enabling)
Apr 18 23:38:09 d3896e6 ModemManager[580]: <warn>  (ttyUSB0): port attributes not fully set
Apr 18 23:38:09 d3896e6 ModemManager[580]: <info>  Simple connect started...
Apr 18 23:38:09 d3896e6 ModemManager[580]: <info>  Simple connect state (4/8): Wait to get fully enabled
Apr 18 23:38:10 d3896e6 ModemManager[580]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (enabling -> enabled)
Apr 18 23:38:10 d3896e6 ModemManager[580]: <info>  Simple connect state (5/8): Register
Apr 18 23:38:10 d3896e6 NetworkManager[692]: <info>  [1492558690.0359] (ttyUSB0): modem state changed, 'enabling' --> 'enabled' (reason: user-requested)
Apr 18 23:38:10 d3896e6 ModemManager[580]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (enabled -> registered)
Apr 18 23:38:10 d3896e6 NetworkManager[692]: <info>  [1492558690.1272] (ttyUSB0): modem state changed, 'enabled' --> 'registered' (reason: unknown)
Apr 18 23:38:10 d3896e6 ModemManager[580]: <info>  Simple connect state (6/8): Bearer
Apr 18 23:38:10 d3896e6 ModemManager[580]: <info>  Simple connect state (7/8): Connect
Apr 18 23:38:10 d3896e6 ModemManager[580]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (registered -> connecting)
Apr 18 23:38:10 d3896e6 NetworkManager[692]: <info>  [1492558690.1639] (ttyUSB0): modem state changed, 'registered' --> 'connecting' (reason: user-requested)
Apr 18 23:38:15 d3896e6 ModemManager[580]: <warn>  Couldn't connect: 'No carrier'
Apr 18 23:38:15 d3896e6 ModemManager[580]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (connecting -> registered)
Apr 18 23:38:15 d3896e6 NetworkManager[692]: <info>  [1492558695.1802] (ttyUSB0): modem state changed, 'connecting' --> 'registered' (reason: user-requested)
Apr 18 23:38:15 d3896e6 NetworkManager[692]: <warn>  [1492558695.1868] modem-broadband[ttyUSB0]: failed to connect modem: No carrier
Apr 18 23:38:15 d3896e6 NetworkManager[692]: <info>  [1492558695.1871] device (ttyUSB0): state change: prepare -> failed (reason 'modem-no-carrier') [40 120 25]
Apr 18 23:38:15 d3896e6 NetworkManager[692]: <warn>  [1492558695.1925] device (ttyUSB0): Activation: failed for connection 'ting'
Apr 18 23:38:15 d3896e6 NetworkManager[692]: <info>  [1492558695.2578] device (ttyUSB0): state change: failed -> disconnected (reason 'none') [120 30 0]
Apr 18 23:38:15 d3896e6 NetworkManager[692]: <info>  [1492558695.3019] policy: auto-activating connection 'ting'
Apr 18 23:38:15 d3896e6 NetworkManager[692]: <info>  [1492558695.3248] device (ttyUSB0): Activation: starting connection 'ting' (01529e25-6a53-45ff-9b10-458c181cb5df)
Apr 18 23:38:15 d3896e6 NetworkManager[692]: <info>  [1492558695.3297] device (ttyUSB0): state change: disconnected -> prepare (reason 'none') [30 40 0]
Apr 18 23:38:15 d3896e6 ModemManager[580]: <info>  Simple connect started...
Apr 18 23:38:15 d3896e6 ModemManager[580]: <info>  Simple connect state (4/8): Wait to get fully enabled
Apr 18 23:38:15 d3896e6 ModemManager[580]: <info>  Simple connect state (5/8): Register
Apr 18 23:38:15 d3896e6 ModemManager[580]: <info>  Simple connect state (6/8): Bearer
Apr 18 23:38:15 d3896e6 ModemManager[580]: <info>  Simple connect state (7/8): Connect
Apr 18 23:38:15 d3896e6 ModemManager[580]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (registered -> connecting)
Apr 18 23:38:15 d3896e6 NetworkManager[692]: <info>  [1492558695.4073] (ttyUSB0): modem state changed, 'registered' --> 'connecting' (reason: user-requested)
Apr 18 23:38:22 d3896e6 ModemManager[580]: <warn>  Couldn't connect: 'No carrier'
Apr 18 23:38:22 d3896e6 ModemManager[580]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (connecting -> registered)
Apr 18 23:38:22 d3896e6 NetworkManager[692]: <info>  [1492558702.2946] (ttyUSB0): modem state changed, 'connecting' --> 'registered' (reason: user-requested)
Apr 18 23:38:22 d3896e6 NetworkManager[692]: <warn>  [1492558702.3005] modem-broadband[ttyUSB0]: failed to connect modem: No carrier
Apr 18 23:38:22 d3896e6 NetworkManager[692]: <info>  [1492558702.3008] device (ttyUSB0): state change: prepare -> failed (reason 'modem-no-carrier') [40 120 25]
Apr 18 23:38:22 d3896e6 NetworkManager[692]: <warn>  [1492558702.3259] device (ttyUSB0): Activation: failed for connection 'ting'
Apr 18 23:38:22 d3896e6 NetworkManager[692]: <info>  [1492558702.3564] device (ttyUSB0): state change: failed -> disconnected (reason 'none') [120 30 0]
Apr 18 23:38:22 d3896e6 NetworkManager[692]: <info>  [1492558702.3999] policy: auto-activating connection 'ting'
Apr 18 23:38:22 d3896e6 NetworkManager[692]: <info>  [1492558702.4216] device (ttyUSB0): Activation: starting connection 'ting' (01529e25-6a53-45ff-9b10-458c181cb5df)
Apr 18 23:38:22 d3896e6 NetworkManager[692]: <info>  [1492558702.4264] device (ttyUSB0): state change: disconnected -> prepare (reason 'none') [30 40 0]
Apr 18 23:38:22 d3896e6 ModemManager[580]: <info>  Simple connect started...
Apr 18 23:38:22 d3896e6 ModemManager[580]: <info>  Simple connect state (4/8): Wait to get fully enabled
Apr 18 23:38:22 d3896e6 ModemManager[580]: <info>  Simple connect state (5/8): Register
Apr 18 23:38:22 d3896e6 ModemManager[580]: <info>  Simple connect state (6/8): Bearer
Apr 18 23:38:22 d3896e6 ModemManager[580]: <info>  Simple connect state (7/8): Connect
Apr 18 23:38:22 d3896e6 ModemManager[580]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (registered -> connecting)
Apr 18 23:38:22 d3896e6 NetworkManager[692]: <info>  [1492558702.5045] (ttyUSB0): modem state changed, 'registered' --> 'connecting' (reason: user-requested)
Apr 18 23:38:27 d3896e6 ModemManager[580]: <warn>  Couldn't connect: 'No carrier'
Apr 18 23:38:27 d3896e6 ModemManager[580]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (connecting -> registered)
Apr 18 23:38:27 d3896e6 NetworkManager[692]: <info>  [1492558707.4078] (ttyUSB0): modem state changed, 'connecting' --> 'registered' (reason: user-requested)
Apr 18 23:38:27 d3896e6 NetworkManager[692]: <warn>  [1492558707.4144] modem-broadband[ttyUSB0]: failed to connect modem: No carrier
Apr 18 23:38:27 d3896e6 NetworkManager[692]: <info>  [1492558707.4147] device (ttyUSB0): state change: prepare -> failed (reason 'modem-no-carrier') [40 120 25]
Apr 18 23:38:27 d3896e6 NetworkManager[692]: <warn>  [1492558707.4352] device (ttyUSB0): Activation: failed for connection 'ting'
Apr 18 23:38:27 d3896e6 NetworkManager[692]: <info>  [1492558707.4623] device (ttyUSB0): state change: failed -> disconnected (reason 'none') [120 30 0]
Apr 18 23:38:27 d3896e6 NetworkManager[692]: <info>  [1492558707.5075] policy: auto-activating connection 'ting'
Apr 18 23:38:27 d3896e6 NetworkManager[692]: <info>  [1492558707.5318] device (ttyUSB0): Activation: starting connection 'ting' (01529e25-6a53-45ff-9b10-458c181cb5df)
Apr 18 23:38:27 d3896e6 NetworkManager[692]: <info>  [1492558707.5364] device (ttyUSB0): state change: disconnected -> prepare (reason 'none') [30 40 0]
Apr 18 23:38:27 d3896e6 ModemManager[580]: <info>  Simple connect started...
Apr 18 23:38:27 d3896e6 ModemManager[580]: <info>  Simple connect state (4/8): Wait to get fully enabled
Apr 18 23:38:27 d3896e6 ModemManager[580]: <info>  Simple connect state (5/8): Register
Apr 18 23:38:27 d3896e6 ModemManager[580]: <info>  Simple connect state (6/8): Bearer
Apr 18 23:38:27 d3896e6 ModemManager[580]: <info>  Simple connect state (7/8): Connect
Apr 18 23:38:27 d3896e6 ModemManager[580]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (registered -> connecting)
Apr 18 23:38:27 d3896e6 NetworkManager[692]: <info>  [1492558707.6177] (ttyUSB0): modem state changed, 'registered' --> 'connecting' (reason: user-requested)
Apr 18 23:38:32 d3896e6 ModemManager[580]: <warn>  Couldn't connect: 'No carrier'
Apr 18 23:38:32 d3896e6 ModemManager[580]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (connecting -> registered)
Apr 18 23:38:32 d3896e6 NetworkManager[692]: <info>  [1492558712.7873] (ttyUSB0): modem state changed, 'connecting' --> 'registered' (reason: user-requested)
Apr 18 23:38:32 d3896e6 NetworkManager[692]: <warn>  [1492558712.7997] modem-broadband[ttyUSB0]: failed to connect modem: No carrier
Apr 18 23:38:32 d3896e6 NetworkManager[692]: <info>  [1492558712.8000] device (ttyUSB0): state change: prepare -> failed (reason 'modem-no-carrier') [40 120 25]
Apr 18 23:38:32 d3896e6 NetworkManager[692]: <info>  [1492558712.8221] policy: disabling autoconnect for connection 'ting'.
Apr 18 23:38:32 d3896e6 NetworkManager[692]: <warn>  [1492558712.8287] device (ttyUSB0): Activation: failed for connection 'ting'
Apr 18 23:38:32 d3896e6 NetworkManager[692]: <info>  [1492558712.8671] device (ttyUSB0): state change: failed -> disconnected (reason 'none') [120 30 0]
root@d3896e6:~# nmcli c show ting
connection.id:                          ting
connection.uuid:                        01529e25-6a53-45ff-9b10-458c181cb5df
connection.stable-id:                   --
connection.interface-name:              --
connection.type:                        cdma
connection.autoconnect:                 yes
connection.autoconnect-priority:        0
connection.timestamp:                   0
connection.read-only:                   no
connection.permissions:
connection.zone:                        --
connection.master:                      --
connection.slave-type:                  --
connection.autoconnect-slaves:          -1 (default)
connection.secondaries:
connection.gateway-ping-timeout:        0
connection.metered:                     unknown
connection.lldp:                        -1 (default)
ipv4.method:                            auto
ipv4.dns:
ipv4.dns-search:
ipv4.dns-options:                       (default)
ipv4.dns-priority:                      0
ipv4.addresses:
ipv4.gateway:                           --
ipv4.routes:
ipv4.route-metric:                      -1
ipv4.ignore-auto-routes:                no
ipv4.ignore-auto-dns:                   no
ipv4.dhcp-client-id:                    --
ipv4.dhcp-timeout:                      0
ipv4.dhcp-send-hostname:                yes
ipv4.dhcp-hostname:                     --
ipv4.dhcp-fqdn:                         --
ipv4.never-default:                     no
ipv4.may-fail:                          yes
ipv4.dad-timeout:                       -1 (default)
ipv6.method:                            auto
ipv6.dns:
ipv6.dns-search:
ipv6.dns-options:                       (default)
ipv6.dns-priority:                      0
ipv6.addresses:
ipv6.gateway:                           --
ipv6.routes:
ipv6.route-metric:                      -1
ipv6.ignore-auto-routes:                no
ipv6.ignore-auto-dns:                   no
ipv6.never-default:                     no
ipv6.may-fail:                          yes
ipv6.ip6-privacy:                       -1 (unknown)
ipv6.addr-gen-mode:                     stable-privacy
ipv6.dhcp-send-hostname:                yes
ipv6.dhcp-hostname:                     --
ipv6.token:                             --
ppp.noauth:                             yes
ppp.refuse-eap:                         no
ppp.refuse-pap:                         no
ppp.refuse-chap:                        no
ppp.refuse-mschap:                      no
ppp.refuse-mschapv2:                    no
ppp.nobsdcomp:                          no
ppp.nodeflate:                          no
ppp.no-vj-comp:                         no
ppp.require-mppe:                       no
ppp.require-mppe-128:                   no
ppp.mppe-stateful:                      no
ppp.crtscts:                            no
ppp.baud:                               460800
ppp.mru:                                0
ppp.mtu:                                0
ppp.lcp-echo-failure:                   0
ppp.lcp-echo-interval:                  0
cdma.number:                            #777
cdma.username:                          --
cdma.password:                          <hidden>
cdma.password-flags:                    0 (none)

@abkfenris
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abkfenris commented Apr 18, 2017 •
edited
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worked

root@d3896e6:~# nmcli c edit con-name ting
Valid connection types: generic, 802-3-ethernet (ethernet), pppoe, 802-11-wireless (wifi), wimax, gsm, cdma, infiniband, adsl, bluetooth, vpn, 802-11-olpc-mesh (olpc-mesh), vlan, bond, team, bridge, bond-slave, team-slave, bridge-slave, no-slave, tun, ip-tunnel, macvlan, vxlan
Enter connection type: cdma

===| nmcli interactive connection editor |===

Adding a new 'cdma' connection

Type 'help' or '?' for available commands.
Type 'describe [<setting>.<prop>]' for detailed property description.

You may edit the following settings: connection, cdma, serial, ppp, ipv4, ipv6
nmcli> set ppp.baud 460800
nmcli> print ppp
['ppp' setting values]
ppp.noauth:                             yes
ppp.refuse-eap:                         no
ppp.refuse-pap:                         no
ppp.refuse-chap:                        no
ppp.refuse-mschap:                      no
ppp.refuse-mschapv2:                    no
ppp.nobsdcomp:                          no
ppp.nodeflate:                          no
ppp.no-vj-comp:                         no
ppp.require-mppe:                       no
ppp.require-mppe-128:                   no
ppp.mppe-stateful:                      no
ppp.crtscts:                            no
ppp.baud:                               460800
ppp.mru:                                0
ppp.mtu:                                0
ppp.lcp-echo-failure:                   0
ppp.lcp-echo-interval:                  0
nmcli> save
Saving the connection with 'autoconnect=yes'. That might result in an immediate activation of the connection.
Do you still want to save? (yes/no) [yes]
Connection 'ting' (e313f4c0-99c7-4947-9ec4-20f87b47c874) successfully saved.
nmcli> quit
root@d3896e6:~# nmcli c
NAME                UUID                                  TYPE             DEVICE
Wired connection 1  b3e9f113-8957-3a49-b158-24d3a92a4136  802-3-ethernet   eth0
resin-sample        bcb05b81-52cb-3828-8088-c0f55e950375  802-11-wireless  --
ting                e313f4c0-99c7-4947-9ec4-20f87b47c874  cdma             --
root@d3896e6:~# nmcli d
DEVICE     TYPE      STATE      CONNECTION
eth0       ethernet  connected  Wired connection 1
docker0    bridge    unmanaged  --
lo         loopback  unmanaged  --
resin-vpn  tun       unmanaged  --
root@d3896e6:~# modprobe sierra
root@d3896e6:~# modprobe sierra_net
root@d3896e6:~# sh -c "echo 0 > /sys/bus/usb/devices/1-1/authorized"
root@d3896e6:~# sh -c "echo 1 > /sys/bus/usb/devices/1-1/authorized"
root@d3896e6:~# dmesg | tail -n 30
[   71.761203] audit: type=1325 audit(1492559392.561:20): table=filter family=2 entries=15
[   72.191623] audit: type=1325 audit(1492559392.989:21): table=filter family=2 entries=16
[   72.748028] audit: type=1325 audit(1492559393.540:22): table=filter family=2 entries=17
[   73.169268] audit: type=1325 audit(1492559393.972:23): table=filter family=2 entries=18
[  165.337241] usbcore: registered new interface driver usbserial
[  165.357569] usbcore: registered new interface driver usbserial_generic
[  165.386861] usbserial: USB Serial support registered for generic
[  165.409976] usbcore: registered new interface driver sierra
[  165.434744] usbserial: USB Serial support registered for Sierra USB modem
[  170.745276] usbcore: registered new interface driver sierra_net
[  182.933227] hub 1-1:1.0: USB hub found
[  182.955539] hub 1-1:1.0: 2 ports detected
[  182.980013] usb 1-1: authorized to connect
[  183.248249] usb 1-1.2: new full-speed USB device number 5 using musb-hdrc
[  183.358583] usb 1-1.2: New USB device found, idVendor=1199, idProduct=0301
[  183.368019] usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=4
[  183.380401] usb 1-1.2: Product: Sierra Wireless Device
[  183.388033] usb 1-1.2: Manufacturer: Sierra Wireless, Incorporated
[  183.396051] usb 1-1.2: SerialNumber: 4Vx\xffffffc2\xffffff90\xffffffc2\xffffffab\xffffffc3\xffffff8d\xffffffc3\xffffffaf\xffffffc3\xffffffbf\xffffffc3\xffffffbf\xffffffc3\xffffffbf\xffffffc3\xffffffbf
[  183.418944] sierra 1-1.2:1.0: Sierra USB modem converter detected
[  183.445281] usb 1-1.2: Sierra USB modem converter now attached to ttyUSB0
[  183.467811] usb 1-1.2: Sierra USB modem converter now attached to ttyUSB1
[  183.493860] usb 1-1.2: Sierra USB modem converter now attached to ttyUSB2
[  183.519497] usb 1-1.2: Sierra USB modem converter now attached to ttyUSB3
[  184.656477] usb 1-1.1: new high-speed USB device number 6 using musb-hdrc
[  184.769163] usb 1-1.1: New USB device found, idVendor=198f, idProduct=0220
[  184.784492] usb 1-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  184.803954] usb 1-1.1: Product: Mobile WiMax SS
[  184.828405] usb 1-1.1: Manufacturer: Beceem Communications Inc.
[  184.838455] usb 1-1.1: SerialNumber: MSB220
root@d3896e6:~# nmcli d
DEVICE     TYPE      STATE      CONNECTION
eth0       ethernet  connected  Wired connection 1
docker0    bridge    unmanaged  --
lo         loopback  unmanaged  --
resin-vpn  tun       unmanaged  --
root@d3896e6:~# nmcli d
DEVICE     TYPE      STATE                 CONNECTION
eth0       ethernet  connected             Wired connection 1
ttyUSB0    cdma      connecting (prepare)  ting
docker0    bridge    unmanaged             --
lo         loopback  unmanaged             --
resin-vpn  tun       unmanaged             --
root@d3896e6:~# nmcli d
DEVICE     TYPE      STATE                 CONNECTION
eth0       ethernet  connected             Wired connection 1
ttyUSB0    cdma      connecting (prepare)  ting
docker0    bridge    unmanaged             --
lo         loopback  unmanaged             --
resin-vpn  tun       unmanaged             --
root@d3896e6:~# nmcli d
DEVICE     TYPE      STATE                 CONNECTION
eth0       ethernet  connected             Wired connection 1
ttyUSB0    cdma      connecting (prepare)  ting
docker0    bridge    unmanaged             --
lo         loopback  unmanaged             --
resin-vpn  tun       unmanaged             --
root@d3896e6:~# nmcli d
DEVICE     TYPE      STATE                 CONNECTION
eth0       ethernet  connected             Wired connection 1
ttyUSB0    cdma      connecting (prepare)  ting
docker0    bridge    unmanaged             --
lo         loopback  unmanaged             --
resin-vpn  tun       unmanaged             --
root@d3896e6:~# nmcli d
DEVICE     TYPE      STATE                 CONNECTION
eth0       ethernet  connected             Wired connection 1
ttyUSB0    cdma      connecting (prepare)  ting
docker0    bridge    unmanaged             --
lo         loopback  unmanaged             --
resin-vpn  tun       unmanaged             --
root@d3896e6:~# nmcli d
DEVICE     TYPE      STATE                 CONNECTION
eth0       ethernet  connected             Wired connection 1
ttyUSB0    cdma      connecting (prepare)  ting
docker0    bridge    unmanaged             --
lo         loopback  unmanaged             --
resin-vpn  tun       unmanaged             --
root@d3896e6:~# nmcli d
DEVICE     TYPE      STATE                 CONNECTION
eth0       ethernet  connected             Wired connection 1
ttyUSB0    cdma      connecting (prepare)  ting
docker0    bridge    unmanaged             --
lo         loopback  unmanaged             --
resin-vpn  tun       unmanaged             --
root@d3896e6:~# nmcli d
DEVICE     TYPE      STATE      CONNECTION
ttyUSB0    cdma      connected  ting
eth0       ethernet  connected  Wired connection 1
docker0    bridge    unmanaged  --
lo         loopback  unmanaged  --
resin-vpn  tun       unmanaged  --
root@d3896e6:~# journalctl -u NetworkManager -u ModemManager -n 100 | cat
-- Logs begin at Tue 2017-04-18 23:48:48 UTC, end at Tue 2017-04-18 23:52:58 UTC. --
Apr 18 23:52:04 d3896e6 ModemManager[602]: <info>  Simple connect state (5/8): Register
Apr 18 23:52:04 d3896e6 NetworkManager[729]: <info>  [1492559524.8674] (ttyUSB0): modem state changed, 'enabling' --> 'enabled' (reason: user-requested)
Apr 18 23:52:04 d3896e6 ModemManager[602]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (enabled -> registered)
Apr 18 23:52:04 d3896e6 NetworkManager[729]: <info>  [1492559524.9663] (ttyUSB0): modem state changed, 'enabled' --> 'registered' (reason: unknown)
Apr 18 23:52:04 d3896e6 ModemManager[602]: <info>  Simple connect state (6/8): Bearer
Apr 18 23:52:04 d3896e6 ModemManager[602]: <info>  Simple connect state (7/8): Connect
Apr 18 23:52:04 d3896e6 ModemManager[602]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (registered -> connecting)
Apr 18 23:52:04 d3896e6 NetworkManager[729]: <info>  [1492559524.9984] (ttyUSB0): modem state changed, 'registered' --> 'connecting' (reason: user-requested)
Apr 18 23:52:09 d3896e6 ModemManager[602]: <warn>  Couldn't connect: 'No carrier'
Apr 18 23:52:09 d3896e6 ModemManager[602]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (connecting -> registered)
Apr 18 23:52:09 d3896e6 NetworkManager[729]: <info>  [1492559529.9041] (ttyUSB0): modem state changed, 'connecting' --> 'registered' (reason: user-requested)
Apr 18 23:52:09 d3896e6 NetworkManager[729]: <warn>  [1492559529.9115] modem-broadband[ttyUSB0]: failed to connect modem: No carrier
Apr 18 23:52:09 d3896e6 NetworkManager[729]: <info>  [1492559529.9118] device (ttyUSB0): state change: prepare -> failed (reason 'modem-no-carrier') [40 120 25]
Apr 18 23:52:09 d3896e6 NetworkManager[729]: <warn>  [1492559529.9345] device (ttyUSB0): Activation: failed for connection 'ting'
Apr 18 23:52:09 d3896e6 NetworkManager[729]: <info>  [1492559529.9842] device (ttyUSB0): state change: failed -> disconnected (reason 'none') [120 30 0]
Apr 18 23:52:10 d3896e6 NetworkManager[729]: <info>  [1492559530.0337] policy: auto-activating connection 'ting'
Apr 18 23:52:10 d3896e6 NetworkManager[729]: <info>  [1492559530.0589] device (ttyUSB0): Activation: starting connection 'ting' (e313f4c0-99c7-4947-9ec4-20f87b47c874)
Apr 18 23:52:10 d3896e6 NetworkManager[729]: <info>  [1492559530.0635] device (ttyUSB0): state change: disconnected -> prepare (reason 'none') [30 40 0]
Apr 18 23:52:10 d3896e6 ModemManager[602]: <info>  Simple connect started...
Apr 18 23:52:10 d3896e6 ModemManager[602]: <info>  Simple connect state (4/8): Wait to get fully enabled
Apr 18 23:52:10 d3896e6 ModemManager[602]: <info>  Simple connect state (5/8): Register
Apr 18 23:52:10 d3896e6 ModemManager[602]: <info>  Simple connect state (6/8): Bearer
Apr 18 23:52:10 d3896e6 ModemManager[602]: <info>  Simple connect state (7/8): Connect
Apr 18 23:52:10 d3896e6 ModemManager[602]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (registered -> connecting)
Apr 18 23:52:10 d3896e6 NetworkManager[729]: <info>  [1492559530.1443] (ttyUSB0): modem state changed, 'registered' --> 'connecting' (reason: user-requested)
Apr 18 23:52:31 d3896e6 ModemManager[602]: <warn>  Couldn't connect: 'No carrier'
Apr 18 23:52:31 d3896e6 ModemManager[602]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (connecting -> registered)
Apr 18 23:52:31 d3896e6 NetworkManager[729]: <info>  [1492559551.6707] (ttyUSB0): modem state changed, 'connecting' --> 'registered' (reason: user-requested)
Apr 18 23:52:31 d3896e6 NetworkManager[729]: <warn>  [1492559551.6782] modem-broadband[ttyUSB0]: failed to connect modem: No carrier
Apr 18 23:52:31 d3896e6 NetworkManager[729]: <info>  [1492559551.6786] device (ttyUSB0): state change: prepare -> failed (reason 'modem-no-carrier') [40 120 25]
Apr 18 23:52:31 d3896e6 NetworkManager[729]: <warn>  [1492559551.7038] device (ttyUSB0): Activation: failed for connection 'ting'
Apr 18 23:52:31 d3896e6 NetworkManager[729]: <info>  [1492559551.7474] device (ttyUSB0): state change: failed -> disconnected (reason 'none') [120 30 0]
Apr 18 23:52:31 d3896e6 NetworkManager[729]: <info>  [1492559551.8050] policy: auto-activating connection 'ting'
Apr 18 23:52:31 d3896e6 NetworkManager[729]: <info>  [1492559551.8299] device (ttyUSB0): Activation: starting connection 'ting' (e313f4c0-99c7-4947-9ec4-20f87b47c874)
Apr 18 23:52:31 d3896e6 NetworkManager[729]: <info>  [1492559551.8346] device (ttyUSB0): state change: disconnected -> prepare (reason 'none') [30 40 0]
Apr 18 23:52:31 d3896e6 ModemManager[602]: <info>  Simple connect started...
Apr 18 23:52:31 d3896e6 ModemManager[602]: <info>  Simple connect state (4/8): Wait to get fully enabled
Apr 18 23:52:31 d3896e6 ModemManager[602]: <info>  Simple connect state (5/8): Register
Apr 18 23:52:31 d3896e6 ModemManager[602]: <info>  Simple connect state (6/8): Bearer
Apr 18 23:52:31 d3896e6 ModemManager[602]: <info>  Simple connect state (7/8): Connect
Apr 18 23:52:31 d3896e6 ModemManager[602]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (registered -> connecting)
Apr 18 23:52:31 d3896e6 NetworkManager[729]: <info>  [1492559551.9165] (ttyUSB0): modem state changed, 'registered' --> 'connecting' (reason: user-requested)
Apr 18 23:52:38 d3896e6 ModemManager[602]: <warn>  Couldn't connect: 'No carrier'
Apr 18 23:52:38 d3896e6 ModemManager[602]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (connecting -> registered)
Apr 18 23:52:38 d3896e6 NetworkManager[729]: <info>  [1492559558.3961] (ttyUSB0): modem state changed, 'connecting' --> 'registered' (reason: user-requested)
Apr 18 23:52:38 d3896e6 NetworkManager[729]: <warn>  [1492559558.4045] modem-broadband[ttyUSB0]: failed to connect modem: No carrier
Apr 18 23:52:38 d3896e6 NetworkManager[729]: <info>  [1492559558.4059] device (ttyUSB0): state change: prepare -> failed (reason 'modem-no-carrier') [40 120 25]
Apr 18 23:52:38 d3896e6 NetworkManager[729]: <warn>  [1492559558.4266] device (ttyUSB0): Activation: failed for connection 'ting'
Apr 18 23:52:38 d3896e6 NetworkManager[729]: <info>  [1492559558.4681] device (ttyUSB0): state change: failed -> disconnected (reason 'none') [120 30 0]
Apr 18 23:52:38 d3896e6 NetworkManager[729]: <info>  [1492559558.5138] policy: auto-activating connection 'ting'
Apr 18 23:52:38 d3896e6 NetworkManager[729]: <info>  [1492559558.5381] device (ttyUSB0): Activation: starting connection 'ting' (e313f4c0-99c7-4947-9ec4-20f87b47c874)
Apr 18 23:52:38 d3896e6 NetworkManager[729]: <info>  [1492559558.5427] device (ttyUSB0): state change: disconnected -> prepare (reason 'none') [30 40 0]
Apr 18 23:52:38 d3896e6 ModemManager[602]: <info>  Simple connect started...
Apr 18 23:52:38 d3896e6 ModemManager[602]: <info>  Simple connect state (4/8): Wait to get fully enabled
Apr 18 23:52:38 d3896e6 ModemManager[602]: <info>  Simple connect state (5/8): Register
Apr 18 23:52:38 d3896e6 ModemManager[602]: <info>  Simple connect state (6/8): Bearer
Apr 18 23:52:38 d3896e6 ModemManager[602]: <info>  Simple connect state (7/8): Connect
Apr 18 23:52:38 d3896e6 ModemManager[602]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (registered -> connecting)
Apr 18 23:52:38 d3896e6 NetworkManager[729]: <info>  [1492559558.6192] (ttyUSB0): modem state changed, 'registered' --> 'connecting' (reason: user-requested)
Apr 18 23:52:57 d3896e6 ModemManager[602]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (connecting -> connected)
Apr 18 23:52:57 d3896e6 NetworkManager[729]: <info>  [1492559577.4149] (ttyUSB0): modem state changed, 'connecting' --> 'connected' (reason: user-requested)
Apr 18 23:52:57 d3896e6 ModemManager[602]: <info>  Simple connect state (8/8): All done
Apr 18 23:52:57 d3896e6 NetworkManager[729]: <warn>  [1492559577.4476] device (ttyUSB0): failed to look up interface index
Apr 18 23:52:57 d3896e6 NetworkManager[729]: <info>  [1492559577.4537] device (ttyUSB0): state change: prepare -> config (reason 'none') [40 50 0]
Apr 18 23:52:57 d3896e6 NetworkManager[729]: <info>  [1492559577.4628] device (ttyUSB0): state change: config -> ip-config (reason 'none') [50 70 0]
Apr 18 23:52:57 d3896e6 NetworkManager[729]: <warn>  [1492559577.4670] device (ttyUSB0): interface ttyUSB0 not up for IP configuration
Apr 18 23:52:57 d3896e6 NetworkManager[729]: <info>  [1492559577.4698] (ttyUSB0): using modem-specified IP timeout: 20 seconds
Apr 18 23:52:57 d3896e6 NetworkManager[729]: <info>  [1492559577.4774] ppp-manager: starting PPP connection
Apr 18 23:52:57 d3896e6 NetworkManager[729]: <info>  [1492559577.4929] ppp-manager: pppd started with pid 1276
Apr 18 23:52:57 d3896e6 NetworkManager[729]: <info>  [1492559577.4951] (ttyUSB0): IPv6 configuration disabled
Apr 18 23:52:57 d3896e6 pppd[1276]: Plugin /usr/lib/pppd/2.4.5/nm-pppd-plugin.so loaded.
Apr 18 23:52:57 d3896e6 NetworkManager[729]: Plugin /usr/lib/pppd/2.4.5/nm-pppd-plugin.so loaded.
Apr 18 23:52:57 d3896e6 NetworkManager[729]: nm-pppd-plugin-Message: nm-ppp-plugin: (plugin_init): initializing
Apr 18 23:52:57 d3896e6 pppd[1276]: pppd 2.4.7 started by root, uid 0
Apr 18 23:52:57 d3896e6 NetworkManager[729]: nm-pppd-plugin-Message: nm-ppp-plugin: (nm_phasechange): status 3 / phase 'serial connection'
Apr 18 23:52:57 d3896e6 pppd[1276]: Using interface ppp0
Apr 18 23:52:57 d3896e6 NetworkManager[729]: Using interface ppp0
Apr 18 23:52:57 d3896e6 pppd[1276]: Connect: ppp0 <--> /dev/ttyUSB0
Apr 18 23:52:57 d3896e6 NetworkManager[729]: Connect: ppp0 <--> /dev/ttyUSB0
Apr 18 23:52:57 d3896e6 NetworkManager[729]: nm-pppd-plugin-Message: nm-ppp-plugin: (nm_phasechange): status 5 / phase 'establish'
Apr 18 23:52:57 d3896e6 NetworkManager[729]: nm-pppd-plugin-Message: nm-ppp-plugin: (nm_phasechange): status 6 / phase 'authenticate'
Apr 18 23:52:57 d3896e6 NetworkManager[729]: nm-pppd-plugin-Message: nm-ppp-plugin: (nm_phasechange): status 8 / phase 'network'
Apr 18 23:52:57 d3896e6 NetworkManager[729]: <info>  [1492559577.8307] manager: (ppp0): new Generic device (/org/freedesktop/NetworkManager/Devices/5)
Apr 18 23:52:57 d3896e6 pppd[1276]: local  IP address 108.97.104.131
Apr 18 23:52:57 d3896e6 NetworkManager[729]: local  IP address 108.97.104.131
Apr 18 23:52:57 d3896e6 pppd[1276]: remote IP address 68.28.121.85
Apr 18 23:52:57 d3896e6 NetworkManager[729]: remote IP address 68.28.121.85
Apr 18 23:52:57 d3896e6 NetworkManager[729]: primary   DNS address 68.28.31.30
Apr 18 23:52:57 d3896e6 NetworkManager[729]: secondary DNS address 68.28.31.31
Apr 18 23:52:57 d3896e6 NetworkManager[729]: nm-pppd-plugin-Message: nm-ppp-plugin: (nm_phasechange): status 9 / phase 'running'
Apr 18 23:52:57 d3896e6 pppd[1276]: primary   DNS address 68.28.31.30
Apr 18 23:52:57 d3896e6 pppd[1276]: secondary DNS address 68.28.31.31
Apr 18 23:52:58 d3896e6 NetworkManager[729]: nm-pppd-plugin-Message: nm-ppp-plugin: (nm_ip_up): ip-up event
Apr 18 23:52:58 d3896e6 NetworkManager[729]: nm-pppd-plugin-Message: nm-ppp-plugin: (nm_ip_up): sending IPv4 config to NetworkManager...
Apr 18 23:52:58 d3896e6 NetworkManager[729]: <info>  [1492559578.0228] ppp-manager: (IPv4 Config Get) reply received.
Apr 18 23:52:58 d3896e6 NetworkManager[729]: <info>  [1492559578.1280] device (ttyUSB0): state change: ip-config -> ip-check (reason 'none') [70 80 0]
Apr 18 23:52:58 d3896e6 NetworkManager[729]: <info>  [1492559578.1578] device (ttyUSB0): state change: ip-check -> secondaries (reason 'none') [80 90 0]
Apr 18 23:52:58 d3896e6 NetworkManager[729]: <info>  [1492559578.1771] device (ttyUSB0): state change: secondaries -> activated (reason 'none') [90 100 0]
Apr 18 23:52:58 d3896e6 NetworkManager[729]: <info>  [1492559578.1996] dns-mgr: Writing DNS information to /sbin/resolvconf
Apr 18 23:52:58 d3896e6 NetworkManager[729]: <info>  [1492559578.3355] device (ttyUSB0): Activation: successful, device activated.
root@d3896e6:~# nmcli
ttyUSB0: connected to ting
	"Sierra Wireless Device"
	cdma (sierra), hw, iface ppp
	inet4 108.97.104.131/32

eth0: connected to Wired connection 1
	ethernet (cpsw), B0:D5:CC:FD:53:20, hw, mtu 1500
	ip4 default
	inet4 192.168.6.42/23
	route4 192.168.1.5/32
	inet6 fe80::7fb0:e4a9:1fb:5c09/64

docker0: unmanaged
	bridge, 02:42:F1:8D:8B:EE, sw, mtu 1500

lo: unmanaged
	loopback (unknown), 00:00:00:00:00:00, sw, mtu 65536

resin-vpn: unmanaged
	tun, sw, mtu 1500

Use "nmcli device show" to get complete information about known devices and
"nmcli connection show" to get an overview on active connection profiles.

Consult nmcli(1) and nmcli-examples(5) manual pages for complete usage details.
root@d3896e6:~# nmcli c show ting
connection.id:                          ting
connection.uuid:                        e313f4c0-99c7-4947-9ec4-20f87b47c874
connection.stable-id:                   --
connection.interface-name:              --
connection.type:                        cdma
connection.autoconnect:                 yes
connection.autoconnect-priority:        0
connection.timestamp:                   1492559641
connection.read-only:                   no
connection.permissions:
connection.zone:                        --
connection.master:                      --
connection.slave-type:                  --
connection.autoconnect-slaves:          -1 (default)
connection.secondaries:
connection.gateway-ping-timeout:        0
connection.metered:                     unknown
connection.lldp:                        -1 (default)
ipv4.method:                            auto
ipv4.dns:
ipv4.dns-search:
ipv4.dns-options:                       (default)
ipv4.dns-priority:                      0
ipv4.addresses:
ipv4.gateway:                           --
ipv4.routes:
ipv4.route-metric:                      -1
ipv4.ignore-auto-routes:                no
ipv4.ignore-auto-dns:                   no
ipv4.dhcp-client-id:                    --
ipv4.dhcp-timeout:                      0
ipv4.dhcp-send-hostname:                yes
ipv4.dhcp-hostname:                     --
ipv4.dhcp-fqdn:                         --
ipv4.never-default:                     no
ipv4.may-fail:                          yes
ipv4.dad-timeout:                       -1 (default)
ipv6.method:                            auto
ipv6.dns:
ipv6.dns-search:
ipv6.dns-options:                       (default)
ipv6.dns-priority:                      0
ipv6.addresses:
ipv6.gateway:                           --
ipv6.routes:
ipv6.route-metric:                      -1
ipv6.ignore-auto-routes:                no
ipv6.ignore-auto-dns:                   no
ipv6.never-default:                     no
ipv6.may-fail:                          yes
ipv6.ip6-privacy:                       -1 (unknown)
ipv6.addr-gen-mode:                     stable-privacy
ipv6.dhcp-send-hostname:                yes
ipv6.dhcp-hostname:                     --
ipv6.token:                             --
ppp.noauth:                             yes
ppp.refuse-eap:                         no
ppp.refuse-pap:                         no
ppp.refuse-chap:                        no
ppp.refuse-mschap:                      no
ppp.refuse-mschapv2:                    no
ppp.nobsdcomp:                          no
ppp.nodeflate:                          no
ppp.no-vj-comp:                         no
ppp.require-mppe:                       no
ppp.require-mppe-128:                   no
ppp.mppe-stateful:                      no
ppp.crtscts:                            no
ppp.baud:                               460800
ppp.mru:                                0
ppp.mtu:                                0
ppp.lcp-echo-failure:                   0
ppp.lcp-echo-interval:                  0
cdma.number:                            #777
cdma.username:                          --
cdma.password:                          <hidden>
cdma.password-flags:                    0 (none)
GENERAL.NAME:                           ting
GENERAL.UUID:                           e313f4c0-99c7-4947-9ec4-20f87b47c874
GENERAL.DEVICES:                        ttyUSB0
GENERAL.STATE:                          activated
GENERAL.DEFAULT:                        no
GENERAL.DEFAULT6:                       no
GENERAL.VPN:                            no
GENERAL.ZONE:                           --
GENERAL.DBUS-PATH:                      /org/freedesktop/NetworkManager/ActiveConnection/4
GENERAL.CON-PATH:                       /org/freedesktop/NetworkManager/Settings/2
GENERAL.SPEC-OBJECT:                    /
GENERAL.MASTER-PATH:                    --
IP4.ADDRESS[1]:                         108.97.104.131/32
IP4.GATEWAY:                            68.28.121.85
IP4.DNS[1]:                             68.28.31.30
IP4.DNS[2]:                             68.28.31.31

then it went down

Apr 18 23:54:25 d3896e6 pppd[1276]: LCP terminated by peer
Apr 18 23:54:25 d3896e6 NetworkManager[729]: LCP terminated by peer
Apr 18 23:54:25 d3896e6 NetworkManager[729]: nm-pppd-plugin-Message: nm-ppp-plugin: (nm_phasechange): status 8 / phase 'network'
Apr 18 23:54:25 d3896e6 NetworkManager[729]: Connect time 1.5 minutes.
Apr 18 23:54:25 d3896e6 NetworkManager[729]: Sent 0 bytes, received 0 bytes.
Apr 18 23:54:25 d3896e6 pppd[1276]: Connect time 1.5 minutes.
Apr 18 23:54:25 d3896e6 pppd[1276]: Sent 0 bytes, received 0 bytes.
Apr 18 23:54:25 d3896e6 NetworkManager[729]: nm-pppd-plugin-Message: nm-ppp-plugin: (nm_phasechange): status 5 / phase 'establish'
Apr 18 23:54:25 d3896e6 pppd[1276]: Modem hangup
Apr 18 23:54:25 d3896e6 NetworkManager[729]: Modem hangup
Apr 18 23:54:25 d3896e6 NetworkManager[729]: nm-pppd-plugin-Message: nm-ppp-plugin: (nm_phasechange): status 11 / phase 'disconnect'
Apr 18 23:54:25 d3896e6 NetworkManager[729]: <info>  [1492559665.4907] device (ttyUSB0): state change: activated -> failed (reason 'ip-config-unavailable') [100 120 5]
Apr 18 23:54:25 d3896e6 pppd[1276]: Connection terminated.
Apr 18 23:54:25 d3896e6 NetworkManager[729]: Connection terminated.
Apr 18 23:54:25 d3896e6 NetworkManager[729]: <warn>  [1492559665.5654] device (ttyUSB0): Activation: failed for connection 'ting'
Apr 18 23:54:25 d3896e6 ModemManager[602]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (connected -> disconnecting)
Apr 18 23:54:25 d3896e6 NetworkManager[729]: nm-pppd-plugin-Message: nm-ppp-plugin: (nm_phasechange): status 1 / phase 'dead'
Apr 18 23:54:25 d3896e6 pppd[1276]: Terminating on signal 15
Apr 18 23:54:25 d3896e6 NetworkManager[729]: Terminating on signal 15
Apr 18 23:54:25 d3896e6 NetworkManager[729]: nm-pppd-plugin-Message: nm-ppp-plugin: (nm_exit_notify): cleaning up
Apr 18 23:54:25 d3896e6 pppd[1276]: Exit.
Apr 18 23:54:25 d3896e6 NetworkManager[729]: <info>  [1492559665.8036] (ttyUSB0): modem state changed, 'connected' --> 'disconnecting' (reason: user-requested)
Apr 18 23:54:25 d3896e6 NetworkManager[729]: <info>  [1492559665.8220] device (ttyUSB0): state change: failed -> disconnected (reason 'none') [120 30 0]
Apr 18 23:54:25 d3896e6 NetworkManager[729]: <info>  [1492559665.8422] dns-mgr: Writing DNS information to /sbin/resolvconf
Apr 18 23:54:26 d3896e6 NetworkManager[729]: <info>  [1492559666.0374] policy: auto-activating connection 'ting'
Apr 18 23:54:26 d3896e6 NetworkManager[729]: <info>  [1492559666.0503] device (ttyUSB0): Activation: starting connection 'ting' (e313f4c0-99c7-4947-9ec4-20f87b47c874)
Apr 18 23:54:26 d3896e6 NetworkManager[729]: <info>  [1492559666.0560] device (ttyUSB0): state change: disconnected -> prepare (reason 'none') [30 40 0]
Apr 18 23:54:26 d3896e6 ModemManager[602]: <info>  Simple connect started...
Apr 18 23:54:26 d3896e6 ModemManager[602]: <info>  Simple connect state (4/8): Wait to get fully enabled
Apr 18 23:54:31 d3896e6 ModemManager[602]: <warn>  (ttyUSB0): port attributes not fully set
Apr 18 23:54:32 d3896e6 ModemManager[602]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (disconnecting -> registered)
Apr 18 23:54:32 d3896e6 ModemManager[602]: <info>  Simple connect state (5/8): Register
Apr 18 23:54:32 d3896e6 NetworkManager[729]: <info>  [1492559672.6905] (ttyUSB0): modem state changed, 'disconnecting' --> 'registered' (reason: user-requested)
Apr 18 23:54:32 d3896e6 ModemManager[602]: <info>  Simple connect state (6/8): Bearer
Apr 18 23:54:32 d3896e6 ModemManager[602]: <info>  Simple connect state (7/8): Connect
Apr 18 23:54:32 d3896e6 ModemManager[602]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (registered -> connecting)
Apr 18 23:54:32 d3896e6 NetworkManager[729]: <info>  [1492559672.7372] (ttyUSB0): modem state changed, 'registered' --> 'connecting' (reason: user-requested)
Apr 18 23:54:38 d3896e6 ModemManager[602]: <warn>  Couldn't connect: 'No carrier'
Apr 18 23:54:38 d3896e6 ModemManager[602]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (connecting -> registered)
Apr 18 23:54:38 d3896e6 NetworkManager[729]: <info>  [1492559678.2660] (ttyUSB0): modem state changed, 'connecting' --> 'registered' (reason: user-requested)
Apr 18 23:54:38 d3896e6 NetworkManager[729]: <warn>  [1492559678.2741] modem-broadband[ttyUSB0]: failed to connect modem: No carrier
Apr 18 23:54:38 d3896e6 NetworkManager[729]: <info>  [1492559678.2765] device (ttyUSB0): state change: prepare -> failed (reason 'modem-no-carrier') [40 120 25]
Apr 18 23:54:38 d3896e6 NetworkManager[729]: <warn>  [1492559678.2987] device (ttyUSB0): Activation: failed for connection 'ting'
Apr 18 23:54:38 d3896e6 NetworkManager[729]: <info>  [1492559678.3436] device (ttyUSB0): state change: failed -> disconnected (reason 'none') [120 30 0]
Apr 18 23:54:38 d3896e6 NetworkManager[729]: <info>  [1492559678.3961] policy: auto-activating connection 'ting'
Apr 18 23:54:38 d3896e6 NetworkManager[729]: <info>  [1492559678.4224] device (ttyUSB0): Activation: starting connection 'ting' (e313f4c0-99c7-4947-9ec4-20f87b47c874)
Apr 18 23:54:38 d3896e6 NetworkManager[729]: <info>  [1492559678.4270] device (ttyUSB0): state change: disconnected -> prepare (reason 'none') [30 40 0]
Apr 18 23:54:38 d3896e6 ModemManager[602]: <info>  Simple connect started...
Apr 18 23:54:38 d3896e6 ModemManager[602]: <info>  Simple connect state (4/8): Wait to get fully enabled
Apr 18 23:54:38 d3896e6 ModemManager[602]: <info>  Simple connect state (5/8): Register
Apr 18 23:54:38 d3896e6 ModemManager[602]: <info>  Simple connect state (6/8): Bearer
Apr 18 23:54:38 d3896e6 ModemManager[602]: <info>  Simple connect state (7/8): Connect
Apr 18 23:54:38 d3896e6 ModemManager[602]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (registered -> connecting)
Apr 18 23:54:38 d3896e6 NetworkManager[729]: <info>  [1492559678.5241] (ttyUSB0): modem state changed, 'registered' --> 'connecting' (reason: user-requested)
Apr 18 23:54:43 d3896e6 ModemManager[602]: <warn>  Couldn't connect: 'No carrier'
Apr 18 23:54:43 d3896e6 ModemManager[602]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (connecting -> registered)
Apr 18 23:54:43 d3896e6 NetworkManager[729]: <info>  [1492559683.4782] (ttyUSB0): modem state changed, 'connecting' --> 'registered' (reason: user-requested)
Apr 18 23:54:43 d3896e6 NetworkManager[729]: <warn>  [1492559683.4867] modem-broadband[ttyUSB0]: failed to connect modem: No carrier
Apr 18 23:54:43 d3896e6 NetworkManager[729]: <info>  [1492559683.4870] device (ttyUSB0): state change: prepare -> failed (reason 'modem-no-carrier') [40 120 25]
Apr 18 23:54:43 d3896e6 NetworkManager[729]: <warn>  [1492559683.5142] device (ttyUSB0): Activation: failed for connection 'ting'
Apr 18 23:54:43 d3896e6 NetworkManager[729]: <info>  [1492559683.5494] device (ttyUSB0): state change: failed -> disconnected (reason 'none') [120 30 0]
Apr 18 23:54:43 d3896e6 NetworkManager[729]: <info>  [1492559683.6074] policy: auto-activating connection 'ting'
Apr 18 23:54:43 d3896e6 NetworkManager[729]: <info>  [1492559683.6366] device (ttyUSB0): Activation: starting connection 'ting' (e313f4c0-99c7-4947-9ec4-20f87b47c874)
Apr 18 23:54:43 d3896e6 NetworkManager[729]: <info>  [1492559683.6441] device (ttyUSB0): state change: disconnected -> prepare (reason 'none') [30 40 0]
Apr 18 23:54:43 d3896e6 ModemManager[602]: <info>  Simple connect started...
Apr 18 23:54:43 d3896e6 ModemManager[602]: <info>  Simple connect state (4/8): Wait to get fully enabled
Apr 18 23:54:43 d3896e6 ModemManager[602]: <info>  Simple connect state (5/8): Register
Apr 18 23:54:43 d3896e6 ModemManager[602]: <info>  Simple connect state (6/8): Bearer
Apr 18 23:54:43 d3896e6 ModemManager[602]: <info>  Simple connect state (7/8): Connect
Apr 18 23:54:43 d3896e6 ModemManager[602]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (registered -> connecting)
Apr 18 23:54:43 d3896e6 NetworkManager[729]: <info>  [1492559683.7333] (ttyUSB0): modem state changed, 'registered' --> 'connecting' (reason: user-requested)
Apr 18 23:54:48 d3896e6 ModemManager[602]: <warn>  Couldn't connect: 'No carrier'
Apr 18 23:54:48 d3896e6 ModemManager[602]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (connecting -> registered)
Apr 18 23:54:48 d3896e6 NetworkManager[729]: <info>  [1492559688.4873] (ttyUSB0): modem state changed, 'connecting' --> 'registered' (reason: user-requested)
Apr 18 23:54:48 d3896e6 NetworkManager[729]: <warn>  [1492559688.4937] modem-broadband[ttyUSB0]: failed to connect modem: No carrier
Apr 18 23:54:48 d3896e6 NetworkManager[729]: <info>  [1492559688.4940] device (ttyUSB0): state change: prepare -> failed (reason 'modem-no-carrier') [40 120 25]
Apr 18 23:54:48 d3896e6 NetworkManager[729]: <info>  [1492559688.5147] policy: disabling autoconnect for connection 'ting'.
Apr 18 23:54:48 d3896e6 NetworkManager[729]: <warn>  [1492559688.5203] device (ttyUSB0): Activation: failed for connection 'ting'
Apr 18 23:54:48 d3896e6 NetworkManager[729]: <info>  [1492559688.5479] device (ttyUSB0): state change: failed -> disconnected (reason 'none') [120 30 0]
Apr 18 23:56:49 d3896e6 NetworkManager[729]: <info>  [1492559809.9649] device (ttyUSB0): Activation: starting connection 'ting' (e313f4c0-99c7-4947-9ec4-20f87b47c874)
Apr 18 23:56:49 d3896e6 NetworkManager[729]: <info>  [1492559809.9720] audit: op="connection-activate" uuid="e313f4c0-99c7-4947-9ec4-20f87b47c874" name="ting" pid=1372 uid=0 result="success"
Apr 18 23:56:49 d3896e6 NetworkManager[729]: <info>  [1492559809.9785] device (ttyUSB0): state change: disconnected -> prepare (reason 'none') [30 40 0]
Apr 18 23:56:50 d3896e6 ModemManager[602]: <info>  Simple connect started...
Apr 18 23:56:50 d3896e6 ModemManager[602]: <info>  Simple connect state (4/8): Wait to get fully enabled
Apr 18 23:56:50 d3896e6 ModemManager[602]: <info>  Simple connect state (5/8): Register
Apr 18 23:56:50 d3896e6 ModemManager[602]: <info>  Simple connect state (6/8): Bearer
Apr 18 23:56:50 d3896e6 ModemManager[602]: <info>  Simple connect state (7/8): Connect
Apr 18 23:56:50 d3896e6 ModemManager[602]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (registered -> connecting)
Apr 18 23:56:50 d3896e6 NetworkManager[729]: <info>  [1492559810.1026] (ttyUSB0): modem state changed, 'registered' --> 'connecting' (reason: user-requested)
Apr 18 23:56:54 d3896e6 ModemManager[602]: <warn>  Couldn't connect: 'No carrier'
Apr 18 23:56:54 d3896e6 ModemManager[602]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (connecting -> registered)
Apr 18 23:56:54 d3896e6 NetworkManager[729]: <info>  [1492559814.3322] (ttyUSB0): modem state changed, 'connecting' --> 'registered' (reason: user-requested)
Apr 18 23:56:54 d3896e6 NetworkManager[729]: <warn>  [1492559814.3418] modem-broadband[ttyUSB0]: failed to connect modem: No carrier
Apr 18 23:56:54 d3896e6 NetworkManager[729]: <info>  [1492559814.3451] device (ttyUSB0): state change: prepare -> failed (reason 'modem-no-carrier') [40 120 25]
Apr 18 23:56:54 d3896e6 NetworkManager[729]: <info>  [1492559814.3773] policy: disabling autoconnect for connection 'ting'.
Apr 18 23:56:54 d3896e6 NetworkManager[729]: <warn>  [1492559814.3857] device (ttyUSB0): Activation: failed for connection 'ting'
Apr 18 23:56:54 d3896e6 NetworkManager[729]: <info>  [1492559814.4576] device (ttyUSB0): state change: failed -> disconnected (reason 'none') [120 30 0]

came back

Apr 19 00:16:28 d3896e6 ModemManager[602]: <info>  Simple connect started...
Apr 19 00:16:28 d3896e6 ModemManager[602]: <info>  Simple connect state (4/8): Wait to get fully enabled
Apr 19 00:16:28 d3896e6 ModemManager[602]: <info>  Simple connect state (5/8): Register
Apr 19 00:16:28 d3896e6 ModemManager[602]: <info>  Simple connect state (6/8): Bearer
Apr 19 00:16:28 d3896e6 ModemManager[602]: <info>  Simple connect state (7/8): Connect
Apr 19 00:16:28 d3896e6 ModemManager[602]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (registered -> connecting)
Apr 19 00:16:28 d3896e6 NetworkManager[729]: <info>  [1492560988.4437] (ttyUSB0): modem state changed, 'registered' --> 'connecting' (reason: user-requested)
Apr 19 00:16:33 d3896e6 ModemManager[602]: <warn>  Couldn't connect: 'No carrier'
Apr 19 00:16:33 d3896e6 ModemManager[602]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (connecting -> registered)
Apr 19 00:16:33 d3896e6 NetworkManager[729]: <info>  [1492560993.3521] (ttyUSB0): modem state changed, 'connecting' --> 'registered' (reason: user-requested)
Apr 19 00:16:33 d3896e6 NetworkManager[729]: <warn>  [1492560993.3587] modem-broadband[ttyUSB0]: failed to connect modem: No carrier
Apr 19 00:16:33 d3896e6 NetworkManager[729]: <info>  [1492560993.3590] device (ttyUSB0): state change: prepare -> failed (reason 'modem-no-carrier') [40 120 25]
Apr 19 00:16:33 d3896e6 NetworkManager[729]: <warn>  [1492560993.3866] device (ttyUSB0): Activation: failed for connection 'ting'
Apr 19 00:16:33 d3896e6 NetworkManager[729]: <info>  [1492560993.4186] device (ttyUSB0): state change: failed -> disconnected (reason 'none') [120 30 0]
Apr 19 00:16:33 d3896e6 NetworkManager[729]: <info>  [1492560993.4654] policy: auto-activating connection 'ting'
Apr 19 00:16:33 d3896e6 NetworkManager[729]: <info>  [1492560993.4949] device (ttyUSB0): Activation: starting connection 'ting' (e313f4c0-99c7-4947-9ec4-20f87b47c874)
Apr 19 00:16:33 d3896e6 NetworkManager[729]: <info>  [1492560993.5001] device (ttyUSB0): state change: disconnected -> prepare (reason 'none') [30 40 0]
Apr 19 00:16:33 d3896e6 ModemManager[602]: <info>  Simple connect started...
Apr 19 00:16:33 d3896e6 ModemManager[602]: <info>  Simple connect state (4/8): Wait to get fully enabled
Apr 19 00:16:33 d3896e6 ModemManager[602]: <info>  Simple connect state (5/8): Register
Apr 19 00:16:33 d3896e6 ModemManager[602]: <info>  Simple connect state (6/8): Bearer
Apr 19 00:16:33 d3896e6 ModemManager[602]: <info>  Simple connect state (7/8): Connect
Apr 19 00:16:33 d3896e6 ModemManager[602]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (registered -> connecting)
Apr 19 00:16:33 d3896e6 NetworkManager[729]: <info>  [1492560993.5826] (ttyUSB0): modem state changed, 'registered' --> 'connecting' (reason: user-requested)
Apr 19 00:16:39 d3896e6 ModemManager[602]: <warn>  Couldn't connect: 'No carrier'
Apr 19 00:16:39 d3896e6 ModemManager[602]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (connecting -> registered)
Apr 19 00:16:39 d3896e6 NetworkManager[729]: <info>  [1492560999.4661] (ttyUSB0): modem state changed, 'connecting' --> 'registered' (reason: user-requested)
Apr 19 00:16:39 d3896e6 NetworkManager[729]: <warn>  [1492560999.4738] modem-broadband[ttyUSB0]: failed to connect modem: No carrier
Apr 19 00:16:39 d3896e6 NetworkManager[729]: <info>  [1492560999.4760] device (ttyUSB0): state change: prepare -> failed (reason 'modem-no-carrier') [40 120 25]
Apr 19 00:16:39 d3896e6 NetworkManager[729]: <warn>  [1492560999.5042] device (ttyUSB0): Activation: failed for connection 'ting'
Apr 19 00:16:39 d3896e6 NetworkManager[729]: <info>  [1492560999.5435] device (ttyUSB0): state change: failed -> disconnected (reason 'none') [120 30 0]
Apr 19 00:16:39 d3896e6 NetworkManager[729]: <info>  [1492560999.5843] policy: auto-activating connection 'ting'
Apr 19 00:16:39 d3896e6 NetworkManager[729]: <info>  [1492560999.6097] device (ttyUSB0): Activation: starting connection 'ting' (e313f4c0-99c7-4947-9ec4-20f87b47c874)
Apr 19 00:16:39 d3896e6 NetworkManager[729]: <info>  [1492560999.6145] device (ttyUSB0): state change: disconnected -> prepare (reason 'none') [30 40 0]
Apr 19 00:16:39 d3896e6 ModemManager[602]: <info>  Simple connect started...
Apr 19 00:16:39 d3896e6 ModemManager[602]: <info>  Simple connect state (4/8): Wait to get fully enabled
Apr 19 00:16:39 d3896e6 ModemManager[602]: <info>  Simple connect state (5/8): Register
Apr 19 00:16:39 d3896e6 ModemManager[602]: <info>  Simple connect state (6/8): Bearer
Apr 19 00:16:39 d3896e6 ModemManager[602]: <info>  Simple connect state (7/8): Connect
Apr 19 00:16:39 d3896e6 ModemManager[602]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (registered -> connecting)
Apr 19 00:16:39 d3896e6 NetworkManager[729]: <info>  [1492560999.6962] (ttyUSB0): modem state changed, 'registered' --> 'connecting' (reason: user-requested)
Apr 19 00:16:46 d3896e6 ModemManager[602]: <warn>  Couldn't connect: 'No carrier'
Apr 19 00:16:46 d3896e6 ModemManager[602]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (connecting -> registered)
Apr 19 00:16:46 d3896e6 NetworkManager[729]: <info>  [1492561006.2517] (ttyUSB0): modem state changed, 'connecting' --> 'registered' (reason: user-requested)
Apr 19 00:16:46 d3896e6 NetworkManager[729]: <warn>  [1492561006.2593] modem-broadband[ttyUSB0]: failed to connect modem: No carrier
Apr 19 00:16:46 d3896e6 NetworkManager[729]: <info>  [1492561006.2615] device (ttyUSB0): state change: prepare -> failed (reason 'modem-no-carrier') [40 120 25]
Apr 19 00:16:46 d3896e6 NetworkManager[729]: <info>  [1492561006.2772] policy: disabling autoconnect for connection 'ting'.
Apr 19 00:16:46 d3896e6 NetworkManager[729]: <warn>  [1492561006.2822] device (ttyUSB0): Activation: failed for connection 'ting'
Apr 19 00:16:46 d3896e6 NetworkManager[729]: <info>  [1492561006.3224] device (ttyUSB0): state change: failed -> disconnected (reason 'none') [120 30 0]
Apr 19 00:21:47 d3896e6 NetworkManager[729]: <info>  [1492561307.0254] policy: auto-activating connection 'ting'
Apr 19 00:21:47 d3896e6 NetworkManager[729]: <info>  [1492561307.0384] device (ttyUSB0): Activation: starting connection 'ting' (e313f4c0-99c7-4947-9ec4-20f87b47c874)
Apr 19 00:21:47 d3896e6 NetworkManager[729]: <info>  [1492561307.0429] device (ttyUSB0): state change: disconnected -> prepare (reason 'none') [30 40 0]
Apr 19 00:21:47 d3896e6 ModemManager[602]: <info>  Simple connect started...
Apr 19 00:21:47 d3896e6 ModemManager[602]: <info>  Simple connect state (4/8): Wait to get fully enabled
Apr 19 00:21:47 d3896e6 ModemManager[602]: <info>  Simple connect state (5/8): Register
Apr 19 00:21:47 d3896e6 ModemManager[602]: <info>  Simple connect state (6/8): Bearer
Apr 19 00:21:47 d3896e6 ModemManager[602]: <info>  Simple connect state (7/8): Connect
Apr 19 00:21:47 d3896e6 ModemManager[602]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (registered -> connecting)
Apr 19 00:21:47 d3896e6 NetworkManager[729]: <info>  [1492561307.1292] (ttyUSB0): modem state changed, 'registered' --> 'connecting' (reason: user-requested)
Apr 19 00:21:51 d3896e6 ModemManager[602]: <info>  Modem /org/freedesktop/ModemManager1/Modem/0: state changed (connecting -> connected)
Apr 19 00:21:51 d3896e6 NetworkManager[729]: <info>  [1492561311.9174] (ttyUSB0): modem state changed, 'connecting' --> 'connected' (reason: user-requested)
Apr 19 00:21:51 d3896e6 ModemManager[602]: <info>  Simple connect state (8/8): All done
Apr 19 00:21:51 d3896e6 NetworkManager[729]: <warn>  [1492561311.9442] device (ttyUSB0): failed to look up interface index
Apr 19 00:21:51 d3896e6 NetworkManager[729]: <info>  [1492561311.9485] device (ttyUSB0): state change: prepare -> config (reason 'none') [40 50 0]
Apr 19 00:21:51 d3896e6 NetworkManager[729]: <info>  [1492561311.9561] device (ttyUSB0): state change: config -> ip-config (reason 'none') [50 70 0]
Apr 19 00:21:51 d3896e6 NetworkManager[729]: <warn>  [1492561311.9614] device (ttyUSB0): interface ttyUSB0 not up for IP configuration
Apr 19 00:21:51 d3896e6 NetworkManager[729]: <info>  [1492561311.9632] (ttyUSB0): using modem-specified IP timeout: 20 seconds
Apr 19 00:21:51 d3896e6 NetworkManager[729]: <info>  [1492561311.9684] ppp-manager: starting PPP connection
Apr 19 00:21:51 d3896e6 NetworkManager[729]: <info>  [1492561311.9788] ppp-manager: pppd started with pid 1939
Apr 19 00:21:51 d3896e6 NetworkManager[729]: <info>  [1492561311.9815] (ttyUSB0): IPv6 configuration disabled
Apr 19 00:21:52 d3896e6 pppd[1939]: Plugin /usr/lib/pppd/2.4.5/nm-pppd-plugin.so loaded.
Apr 19 00:21:52 d3896e6 NetworkManager[729]: Plugin /usr/lib/pppd/2.4.5/nm-pppd-plugin.so loaded.
Apr 19 00:21:52 d3896e6 NetworkManager[729]: nm-pppd-plugin-Message: nm-ppp-plugin: (plugin_init): initializing
Apr 19 00:21:52 d3896e6 pppd[1939]: pppd 2.4.7 started by root, uid 0
Apr 19 00:21:52 d3896e6 NetworkManager[729]: nm-pppd-plugin-Message: nm-ppp-plugin: (nm_phasechange): status 3 / phase 'serial connection'
Apr 19 00:21:52 d3896e6 pppd[1939]: Using interface ppp0
Apr 19 00:21:52 d3896e6 NetworkManager[729]: Using interface ppp0
Apr 19 00:21:52 d3896e6 pppd[1939]: Connect: ppp0 <--> /dev/ttyUSB0
Apr 19 00:21:52 d3896e6 NetworkManager[729]: Connect: ppp0 <--> /dev/ttyUSB0
Apr 19 00:21:52 d3896e6 NetworkManager[729]: nm-pppd-plugin-Message: nm-ppp-plugin: (nm_phasechange): status 5 / phase 'establish'
Apr 19 00:21:52 d3896e6 NetworkManager[729]: nm-pppd-plugin-Message: nm-ppp-plugin: (nm_phasechange): status 6 / phase 'authenticate'
Apr 19 00:21:52 d3896e6 NetworkManager[729]: nm-pppd-plugin-Message: nm-ppp-plugin: (nm_phasechange): status 8 / phase 'network'
Apr 19 00:21:52 d3896e6 NetworkManager[729]: <info>  [1492561312.1939] manager: (ppp0): new Generic device (/org/freedesktop/NetworkManager/Devices/7)
Apr 19 00:21:52 d3896e6 pppd[1939]: local  IP address 72.61.171.19
Apr 19 00:21:52 d3896e6 NetworkManager[729]: local  IP address 72.61.171.19
Apr 19 00:21:52 d3896e6 pppd[1939]: remote IP address 68.28.121.85
Apr 19 00:21:52 d3896e6 NetworkManager[729]: remote IP address 68.28.121.85
Apr 19 00:21:52 d3896e6 NetworkManager[729]: primary   DNS address 68.28.31.30
Apr 19 00:21:52 d3896e6 NetworkManager[729]: secondary DNS address 68.28.31.31
Apr 19 00:21:52 d3896e6 NetworkManager[729]: nm-pppd-plugin-Message: nm-ppp-plugin: (nm_phasechange): status 9 / phase 'running'
Apr 19 00:21:52 d3896e6 pppd[1939]: primary   DNS address 68.28.31.30
Apr 19 00:21:52 d3896e6 NetworkManager[729]: nm-pppd-plugin-Message: nm-ppp-plugin: (nm_ip_up): ip-up event
Apr 19 00:21:52 d3896e6 NetworkManager[729]: nm-pppd-plugin-Message: nm-ppp-plugin: (nm_ip_up): sending IPv4 config to NetworkManager...
Apr 19 00:21:52 d3896e6 pppd[1939]: secondary DNS address 68.28.31.31
Apr 19 00:21:52 d3896e6 NetworkManager[729]: <info>  [1492561312.3431] ppp-manager: (IPv4 Config Get) reply received.
Apr 19 00:21:52 d3896e6 NetworkManager[729]: <info>  [1492561312.4239] device (ttyUSB0): state change: ip-config -> ip-check (reason 'none') [70 80 0]
Apr 19 00:21:52 d3896e6 NetworkManager[729]: <info>  [1492561312.4428] device (ttyUSB0): state change: ip-check -> secondaries (reason 'none') [80 90 0]
Apr 19 00:21:52 d3896e6 NetworkManager[729]: <info>  [1492561312.4576] device (ttyUSB0): state change: secondaries -> activated (reason 'none') [90 100 0]
Apr 19 00:21:52 d3896e6 NetworkManager[729]: <info>  [1492561312.4724] dns-mgr: Writing DNS information to /sbin/resolvconf
Apr 19 00:21:52 d3896e6 NetworkManager[729]: <info>  [1492561312.5884] device (ttyUSB0): Activation: successful, device activated.

@abkfenris
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Failed on gage:

root@ebc3fdb:~# journalctl -u NetworkManager -u ModemManager -n 100 | cat
-- Logs begin at Wed 2017-04-19 02:23:27 UTC, end at Wed 2017-04-19 02:34:57 UTC. --
Apr 19 02:33:57 ebc3fdb ModemManager[622]: <info>  (tty/ttyUSB1): released by modem /sys/devices/platform/ocp/47400000.usb/47401c00.usb/musb-hdrc.1.auto/usb1/1-1/1-1.2
Apr 19 02:33:57 ebc3fdb ModemManager[622]: <info>  (tty/ttyUSB2): released by modem /sys/devices/platform/ocp/47400000.usb/47401c00.usb/musb-hdrc.1.auto/usb1/1-1/1-1.2
Apr 19 02:33:57 ebc3fdb ModemManager[622]: <info>  (tty/ttyUSB3): released by modem /sys/devices/platform/ocp/47400000.usb/47401c00.usb/musb-hdrc.1.auto/usb1/1-1/1-1.2
Apr 19 02:33:57 ebc3fdb NetworkManager[713]: <info>  [1492569237.8640] device (ttyUSB0): state change: disconnected -> unmanaged (reason 'removed') [30 10 36]
Apr 19 02:34:05 ebc3fdb NetworkManager[713]: <info>  [1492569245.7647] audit: op="connection-delete" uuid="7fb0575b-64f9-4ff0-8820-637b9cbe54b3" name="ting" pid=1531 uid=0 result="success"
Apr 19 02:34:05 ebc3fdb NetworkManager[713]: <info>  [1492569245.8772] keyfile: add connection /etc/NetworkManager/system-connections/ting (7fb0575b-64f9-4ff0-8820-637b9cbe54b3,"ting")
Apr 19 02:34:05 ebc3fdb NetworkManager[713]: <info>  [1492569245.8978] audit: op="connection-add" uuid="7fb0575b-64f9-4ff0-8820-637b9cbe54b3" name="ting" pid=1531 uid=0 result="success"
Apr 19 02:34:10 ebc3fdb ModemManager[622]: <warn>  (ttyUSB2): port attributes not fully set
Apr 19 02:34:10 ebc3fdb ModemManager[622]: <warn>  (ttyUSB1): port attributes not fully set
Apr 19 02:34:10 ebc3fdb ModemManager[622]: <warn>  (ttyUSB0): port attributes not fully set
Apr 19 02:34:10 ebc3fdb ModemManager[622]: <warn>  (ttyUSB3): port attributes not fully set
Apr 19 02:34:21 ebc3fdb ModemManager[622]: <info>  Creating modem with plugin 'Sierra (legacy)' and '4' ports
Apr 19 02:34:21 ebc3fdb ModemManager[622]: <warn>  Could not grab port (tty/ttyUSB2): 'Cannot add port 'tty/ttyUSB2', unhandled serial type'
Apr 19 02:34:21 ebc3fdb ModemManager[622]: <warn>  Could not grab port (tty/ttyUSB1): 'Cannot add port 'tty/ttyUSB1', unhandled serial type'
Apr 19 02:34:21 ebc3fdb ModemManager[622]: <warn>  Could not grab port (tty/ttyUSB3): 'Cannot add port 'tty/ttyUSB3', unhandled serial type'
Apr 19 02:34:21 ebc3fdb ModemManager[622]: <warn>  (ttyUSB0): port attributes not fully set
Apr 19 02:34:21 ebc3fdb ModemManager[622]: <info>  Modem for device at '/sys/devices/platform/ocp/47400000.usb/47401c00.usb/musb-hdrc.1.auto/usb1/1-1/1-1.2' successfully created
Apr 19 02:34:22 ebc3fdb ModemManager[622]: <warn>  Couldn't load unlock retries: 'Unknown error'
Apr 19 02:34:22 ebc3fdb ModemManager[622]: <info>  Modem: state changed (unknown -> disabled)
Apr 19 02:34:22 ebc3fdb NetworkManager[713]: <info>  [1492569262.3929] (ttyUSB0): modem state changed, 'disabled' --> 'enabling' (reason: user preference)
Apr 19 02:34:22 ebc3fdb NetworkManager[713]: <info>  [1492569262.4199] manager: (ttyUSB0): new Broadband device (/org/freedesktop/NetworkManager/Devices/5)
Apr 19 02:34:22 ebc3fdb ModemManager[622]: <info>  Modem /org/freedesktop/ModemManager1/Modem/1: state changed (disabled -> enabling)
Apr 19 02:34:22 ebc3fdb NetworkManager[713]: <info>  [1492569262.4377] device (ttyUSB0): state change: unmanaged -> unavailable (reason 'managed') [10 20 2]
Apr 19 02:34:22 ebc3fdb NetworkManager[713]: <info>  [1492569262.4438] device (ttyUSB0): modem state 'enabling'
Apr 19 02:34:22 ebc3fdb NetworkManager[713]: <info>  [1492569262.4467] modem-broadband[ttyUSB0]: failed to retrieve SIM object: No SIM object available
Apr 19 02:34:22 ebc3fdb NetworkManager[713]: <info>  [1492569262.4591] device (ttyUSB0): state change: unavailable -> disconnected (reason 'none') [20 30 0]
Apr 19 02:34:22 ebc3fdb NetworkManager[713]: <info>  [1492569262.4696] policy: auto-activating connection 'ting'
Apr 19 02:34:22 ebc3fdb NetworkManager[713]: <info>  [1492569262.4839] device (ttyUSB0): Activation: starting connection 'ting' (7fb0575b-64f9-4ff0-8820-637b9cbe54b3)
Apr 19 02:34:22 ebc3fdb NetworkManager[713]: <info>  [1492569262.4884] device (ttyUSB0): state change: disconnected -> prepare (reason 'none') [30 40 0]
Apr 19 02:34:27 ebc3fdb ModemManager[622]: <warn>  (ttyUSB0): port attributes not fully set
Apr 19 02:34:27 ebc3fdb ModemManager[622]: <info>  Simple connect started...
Apr 19 02:34:27 ebc3fdb ModemManager[622]: <info>  Simple connect state (4/8): Wait to get fully enabled
Apr 19 02:34:27 ebc3fdb ModemManager[622]: <info>  Modem /org/freedesktop/ModemManager1/Modem/1: state changed (enabling -> enabled)
Apr 19 02:34:27 ebc3fdb ModemManager[622]: <info>  Simple connect state (5/8): Register
Apr 19 02:34:27 ebc3fdb NetworkManager[713]: <info>  [1492569267.6092] (ttyUSB0): modem state changed, 'enabling' --> 'enabled' (reason: user-requested)
Apr 19 02:34:27 ebc3fdb ModemManager[622]: <info>  Modem /org/freedesktop/ModemManager1/Modem/1: state changed (enabled -> registered)
Apr 19 02:34:27 ebc3fdb NetworkManager[713]: <info>  [1492569267.6969] (ttyUSB0): modem state changed, 'enabled' --> 'registered' (reason: unknown)
Apr 19 02:34:27 ebc3fdb ModemManager[622]: <info>  Simple connect state (6/8): Bearer
Apr 19 02:34:27 ebc3fdb ModemManager[622]: <info>  Simple connect state (7/8): Connect
Apr 19 02:34:27 ebc3fdb ModemManager[622]: <info>  Modem /org/freedesktop/ModemManager1/Modem/1: state changed (registered -> connecting)
Apr 19 02:34:27 ebc3fdb NetworkManager[713]: <info>  [1492569267.7316] (ttyUSB0): modem state changed, 'registered' --> 'connecting' (reason: user-requested)
Apr 19 02:34:31 ebc3fdb ModemManager[622]: <warn>  Couldn't connect: 'No carrier'
Apr 19 02:34:31 ebc3fdb ModemManager[622]: <info>  Modem /org/freedesktop/ModemManager1/Modem/1: state changed (connecting -> registered)
Apr 19 02:34:31 ebc3fdb NetworkManager[713]: <info>  [1492569271.7432] (ttyUSB0): modem state changed, 'connecting' --> 'registered' (reason: user-requested)
Apr 19 02:34:31 ebc3fdb NetworkManager[713]: <warn>  [1492569271.7527] modem-broadband[ttyUSB0]: failed to connect modem: No carrier
Apr 19 02:34:31 ebc3fdb NetworkManager[713]: <info>  [1492569271.7530] device (ttyUSB0): state change: prepare -> failed (reason 'modem-no-carrier') [40 120 25]
Apr 19 02:34:31 ebc3fdb NetworkManager[713]: <warn>  [1492569271.7771] device (ttyUSB0): Activation: failed for connection 'ting'
Apr 19 02:34:31 ebc3fdb NetworkManager[713]: <info>  [1492569271.8236] device (ttyUSB0): state change: failed -> disconnected (reason 'none') [120 30 0]
Apr 19 02:34:31 ebc3fdb NetworkManager[713]: <info>  [1492569271.8851] policy: auto-activating connection 'ting'
Apr 19 02:34:31 ebc3fdb NetworkManager[713]: <info>  [1492569271.9005] device (ttyUSB0): Activation: starting connection 'ting' (7fb0575b-64f9-4ff0-8820-637b9cbe54b3)
Apr 19 02:34:31 ebc3fdb NetworkManager[713]: <info>  [1492569271.9051] device (ttyUSB0): state change: disconnected -> prepare (reason 'none') [30 40 0]
Apr 19 02:34:31 ebc3fdb ModemManager[622]: <info>  Simple connect started...
Apr 19 02:34:31 ebc3fdb ModemManager[622]: <info>  Simple connect state (4/8): Wait to get fully enabled
Apr 19 02:34:31 ebc3fdb ModemManager[622]: <info>  Simple connect state (5/8): Register
Apr 19 02:34:31 ebc3fdb ModemManager[622]: <info>  Simple connect state (6/8): Bearer
Apr 19 02:34:31 ebc3fdb ModemManager[622]: <info>  Simple connect state (7/8): Connect
Apr 19 02:34:31 ebc3fdb ModemManager[622]: <info>  Modem /org/freedesktop/ModemManager1/Modem/1: state changed (registered -> connecting)
Apr 19 02:34:31 ebc3fdb NetworkManager[713]: <info>  [1492569271.9837] (ttyUSB0): modem state changed, 'registered' --> 'connecting' (reason: user-requested)
Apr 19 02:34:37 ebc3fdb ModemManager[622]: <warn>  Couldn't connect: 'No carrier'
Apr 19 02:34:37 ebc3fdb ModemManager[622]: <info>  Modem /org/freedesktop/ModemManager1/Modem/1: state changed (connecting -> registered)
Apr 19 02:34:37 ebc3fdb NetworkManager[713]: <info>  [1492569277.1461] (ttyUSB0): modem state changed, 'connecting' --> 'registered' (reason: user-requested)
Apr 19 02:34:37 ebc3fdb NetworkManager[713]: <warn>  [1492569277.1524] modem-broadband[ttyUSB0]: failed to connect modem: No carrier
Apr 19 02:34:37 ebc3fdb NetworkManager[713]: <info>  [1492569277.1527] device (ttyUSB0): state change: prepare -> failed (reason 'modem-no-carrier') [40 120 25]
Apr 19 02:34:37 ebc3fdb NetworkManager[713]: <warn>  [1492569277.1687] device (ttyUSB0): Activation: failed for connection 'ting'
Apr 19 02:34:37 ebc3fdb NetworkManager[713]: <info>  [1492569277.2049] device (ttyUSB0): state change: failed -> disconnected (reason 'none') [120 30 0]
Apr 19 02:34:37 ebc3fdb NetworkManager[713]: <info>  [1492569277.2505] policy: auto-activating connection 'ting'
Apr 19 02:34:37 ebc3fdb NetworkManager[713]: <info>  [1492569277.2776] device (ttyUSB0): Activation: starting connection 'ting' (7fb0575b-64f9-4ff0-8820-637b9cbe54b3)
Apr 19 02:34:37 ebc3fdb NetworkManager[713]: <info>  [1492569277.2822] device (ttyUSB0): state change: disconnected -> prepare (reason 'none') [30 40 0]
Apr 19 02:34:37 ebc3fdb ModemManager[622]: <info>  Simple connect started...
Apr 19 02:34:37 ebc3fdb ModemManager[622]: <info>  Simple connect state (4/8): Wait to get fully enabled
Apr 19 02:34:37 ebc3fdb ModemManager[622]: <info>  Simple connect state (5/8): Register
Apr 19 02:34:37 ebc3fdb ModemManager[622]: <info>  Simple connect state (6/8): Bearer
Apr 19 02:34:37 ebc3fdb ModemManager[622]: <info>  Simple connect state (7/8): Connect
Apr 19 02:34:37 ebc3fdb ModemManager[622]: <info>  Modem /org/freedesktop/ModemManager1/Modem/1: state changed (registered -> connecting)
Apr 19 02:34:37 ebc3fdb NetworkManager[713]: <info>  [1492569277.3778] (ttyUSB0): modem state changed, 'registered' --> 'connecting' (reason: user-requested)
Apr 19 02:34:42 ebc3fdb ModemManager[622]: <warn>  Couldn't connect: 'No carrier'
Apr 19 02:34:42 ebc3fdb ModemManager[622]: <info>  Modem /org/freedesktop/ModemManager1/Modem/1: state changed (connecting -> registered)
Apr 19 02:34:42 ebc3fdb NetworkManager[713]: <info>  [1492569282.4453] (ttyUSB0): modem state changed, 'connecting' --> 'registered' (reason: user-requested)
Apr 19 02:34:42 ebc3fdb NetworkManager[713]: <warn>  [1492569282.4520] modem-broadband[ttyUSB0]: failed to connect modem: No carrier
Apr 19 02:34:42 ebc3fdb NetworkManager[713]: <info>  [1492569282.4523] device (ttyUSB0): state change: prepare -> failed (reason 'modem-no-carrier') [40 120 25]
Apr 19 02:34:42 ebc3fdb NetworkManager[713]: <warn>  [1492569282.4774] device (ttyUSB0): Activation: failed for connection 'ting'
Apr 19 02:34:42 ebc3fdb NetworkManager[713]: <info>  [1492569282.5012] device (ttyUSB0): state change: failed -> disconnected (reason 'none') [120 30 0]
Apr 19 02:34:42 ebc3fdb NetworkManager[713]: <info>  [1492569282.5556] policy: auto-activating connection 'ting'
Apr 19 02:34:42 ebc3fdb NetworkManager[713]: <info>  [1492569282.5832] device (ttyUSB0): Activation: starting connection 'ting' (7fb0575b-64f9-4ff0-8820-637b9cbe54b3)
Apr 19 02:34:42 ebc3fdb NetworkManager[713]: <info>  [1492569282.5887] device (ttyUSB0): state change: disconnected -> prepare (reason 'none') [30 40 0]
Apr 19 02:34:42 ebc3fdb ModemManager[622]: <info>  Simple connect started...
Apr 19 02:34:42 ebc3fdb ModemManager[622]: <info>  Simple connect state (4/8): Wait to get fully enabled
Apr 19 02:34:42 ebc3fdb ModemManager[622]: <info>  Simple connect state (5/8): Register
Apr 19 02:34:42 ebc3fdb ModemManager[622]: <info>  Simple connect state (6/8): Bearer
Apr 19 02:34:42 ebc3fdb ModemManager[622]: <info>  Simple connect state (7/8): Connect
Apr 19 02:34:42 ebc3fdb ModemManager[622]: <info>  Modem /org/freedesktop/ModemManager1/Modem/1: state changed (registered -> connecting)
Apr 19 02:34:42 ebc3fdb NetworkManager[713]: <info>  [1492569282.6755] (ttyUSB0): modem state changed, 'registered' --> 'connecting' (reason: user-requested)
Apr 19 02:34:47 ebc3fdb ModemManager[622]: <warn>  Couldn't connect: 'No carrier'
Apr 19 02:34:47 ebc3fdb ModemManager[622]: <info>  Modem /org/freedesktop/ModemManager1/Modem/1: state changed (connecting -> registered)
Apr 19 02:34:47 ebc3fdb NetworkManager[713]: <info>  [1492569287.6478] (ttyUSB0): modem state changed, 'connecting' --> 'registered' (reason: user-requested)
Apr 19 02:34:47 ebc3fdb NetworkManager[713]: <warn>  [1492569287.6539] modem-broadband[ttyUSB0]: failed to connect modem: No carrier
Apr 19 02:34:47 ebc3fdb NetworkManager[713]: <info>  [1492569287.6542] device (ttyUSB0): state change: prepare -> failed (reason 'modem-no-carrier') [40 120 25]
Apr 19 02:34:47 ebc3fdb NetworkManager[713]: <info>  [1492569287.6730] policy: disabling autoconnect for connection 'ting'.
Apr 19 02:34:47 ebc3fdb NetworkManager[713]: <warn>  [1492569287.6797] device (ttyUSB0): Activation: failed for connection 'ting'
Apr 19 02:34:47 ebc3fdb NetworkManager[713]: <info>  [1492569287.7052] device (ttyUSB0): state change: failed -> disconnected (reason 'none') [120 30 0]

@abkfenris
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Seems to be working when it has signal...

More sites with info

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