<div dir="ltr">Hi,<div>i've successfully configured my serial modem on ttyS2 using ModemManager.</div><div>If i try to connect it using <pre style="color:rgb(0,0,0);text-decoration-style:initial;text-decoration-color:initial">mmcli -m 0 --simple-connect="apn=internet"</pre> It star connect successfully, but when i start Network Manager and try to connect it sing nmcli (after setting new connection) i got this problems:</div><div><br></div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <warn> [1531319214.7852] ppp-manager: pppd timed out or didn't initialize our dbus module<br></div><div><br></div><div>after that it disconnect.</div><div>How can I solve please?</div><div><br></div><div><div>This is complete DEBUG log:</div><div><br></div><div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.2230] agent-manager: req[0x1ff7d60, :1.19/nmcli-connect/0]: requesting permissions</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.2234] agent-manager: req[0x1ff7d60, :1.19/nmcli-connect/0]: agent registered</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.2238] policy: re-enabling autoconnect for all connections with failed secrets</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.2242] device[0x207a3f8] (ttyS2): add_pending_action (1): 'autoactivate'</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.2246] device[0x207a3f8] (ttyS2): remove_pending_action (0): 'autoactivate'</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.2321] active-connection[0x1f9f470]: set device "ttyS2" [0x207a3f8]</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.2323] device[0x207a3f8] (ttyS2): add_pending_action (1): 'activation-0x1f9f470'</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.2354] active-connection[0x1f9f470]: constructed (NMActRequest, version-id 3)</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.2361] device[0x207a3f8] (ttyS2): unmanaged: flags set to [!sleeping,!loopback,!platform-init,!user-explicit,!user-settings=0x0/0x79/managed, set-managed [user-explicit=0x20], reason user-requested)</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <info> [1531319194.2391] device (ttyS2): Activation: starting connection 'Modem' (ff3288ac-dd16-4b30-981a-bff8777544ef)</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.2395] device[0x207a3f8] (ttyS2): activation-stage: schedule activate_stage1_device_prepare,2 (id 316)</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.2404] audit: socket created</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.2406] create NMAuditManager singleton (0x2006908)</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <info> [1531319194.2411] audit: op="connection-activate" uuid="ff3288ac-dd16-4b30-981a-bff8777544ef" name="Modem" pid=2242 uid=0 result="success"</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.2424] device[0x207a3f8] (ttyS2): activation-stage: invoke activate_stage1_device_prepare,2 (id 316)</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <info> [1531319194.2428] device (ttyS2): state change: disconnected -> prepare (reason 'none') [30 40 0]</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.2438] active-connection[0x1f9f470]: set state activating (was unknown)</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.2440] active-connection[0x1f9f470]: check-master-ready: not signalling (state activating, no master)</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.2471] Secrets requested for connection /org/freedesktop/NetworkManager/Settings/1 (Modem/gsm)</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.2473] agent-manager: req[0x1ff7d60, :1.19/nmcli-connect/0]: agent allowed for secrets request [0x207c760/"Modem"/"gsm"]</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.2475] settings-connection[0x1fbd228,ff3288ac-dd16-4b30-981a-bff8777544ef]: (gsm:0x207c760) secrets requested flags 0x5 hints 'password'</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <info> [1531319194.2476] device (ttyS2): state change: prepare -> need-auth (reason 'none') [40 60 0]</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.2485] device[0x207a3f8] (ttyS2): activation-stage: complete activate_stage1_device_prepare,2 (id 316)</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.2533] agent-manager: ([0x207c760/"Modem"/"gsm"]) system settings secrets sufficient</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.2558] settings-connection[0x1fbd228,ff3288ac-dd16-4b30-981a-bff8777544ef]: (gsm:0x202e020) existing secrets returned</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.2560] settings-connection[0x1fbd228,ff3288ac-dd16-4b30-981a-bff8777544ef]: (gsm:0x202e020) secrets request completed</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.2667] settings-connection[0x1fbd228,ff3288ac-dd16-4b30-981a-bff8777544ef]: (gsm:0x202e020) new agent secrets processed</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.2681] device[0x207a3f8] (ttyS2): activation-stage: schedule activate_stage1_device_prepare,2 (id 331)</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.2865] device[0x207a3f8] (ttyS2): activation-stage: invoke activate_stage1_device_prepare,2 (id 331)</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <info> [1531319194.2868] device (ttyS2): state change: need-auth -> prepare (reason 'none') [60 40 0]</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.2885] modem-broadband[ttyS2]: launching connection with ip type 'ipv4' (try 1)</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.2893] device[0x207a3f8] (ttyS2): activation-stage: complete activate_stage1_device_prepare,2 (id 331)</div><div>Jul 11 16:26:34 localhost ModemManager[1742]: <info> Simple connect started...</div><div>Jul 11 16:26:34 localhost ModemManager[1742]: <info> Simple connect state (4/8): Wait to get fully enabled</div><div>Jul 11 16:26:34 localhost ModemManager[1742]: <info> Simple connect state (5/8): Register</div><div>Jul 11 16:26:34 localhost ModemManager[1742]: <info> Simple connect state (6/8): Bearer</div><div>Jul 11 16:26:34 localhost ModemManager[1742]: <info> Simple connect state (7/8): Connect</div><div>Jul 11 16:26:34 localhost ModemManager[1742]: <info> Modem /org/freedesktop/ModemManager1/Modem/0: state changed (registered -> connecting)</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.3078] device[0x207a3f8] (ttyS2): add_pending_action (2): 'recheck-available'</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.3080] device[0x207a3f8] (ttyS2): remove_pending_action (1): 'recheck-available'</div><div>Jul 11 16:26:34 localhost ModemManager[1742]: <info> Modem /org/freedesktop/ModemManager1/Modem/0: state changed (connecting -> connected)</div><div>Jul 11 16:26:34 localhost ModemManager[1742]: <info> Simple connect state (8/8): All done</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.3658] device[0x207a3f8] (ttyS2): add_pending_action (2): 'recheck-available'</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.3682] device[0x207a3f8] (ttyS2): remove_pending_action (1): 'recheck-available'</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <warn> [1531319194.3813] device (ttyS2): ip-ifname: set ifname 'ttyS2', unknown ifindex</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.3819] platform-linux: sysctl: failed to open '/proc/sys/net/ipv6/conf/ttyS2/disable_ipv6': (2) No such file or directory</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.3822] device[0x207a3f8] (ttyS2): activation-stage: schedule activate_stage2_device_config,2 (id 351)</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.3831] device[0x207a3f8] (ttyS2): activation-stage: invoke activate_stage2_device_config,2 (id 351)</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <info> [1531319194.3832] device (ttyS2): state change: prepare -> config (reason 'none') [40 50 0]</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.3842] device[0x207a3f8] (ttyS2): bringing up device 0</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.3844] device[0x207a3f8] (ttyS2): Activation: setting firewall zone 'default'</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.3848] firewall: [0x202e020,change*:"ttyS2"]: firewall zone change ttyS2:default (not running, simulate success)</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.3849] device[0x207a3f8] (ttyS2): activation-stage: complete activate_stage2_device_config,2 (id 351)</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.3860] firewall: [0x202e020,change*:"ttyS2"]: complete: fake success</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.3862] device[0x207a3f8] (ttyS2): activation-stage: schedule activate_stage3_ip_config_start,2 (id 355)</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.3864] device[0x207a3f8] (ttyS2): activation-stage: invoke activate_stage3_ip_config_start,2 (id 355)</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <info> [1531319194.3865] device (ttyS2): state change: config -> ip-config (reason 'none') [50 70 0]</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <warn> [1531319194.3874] device (ttyS2): interface ttyS2 not up for IP configuration</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.3876] ip4_config_start</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <info> [1531319194.3877] (ttyS2): using modem-specified IP timeout: 20 seconds</div><div>Jul 11 16:26:34 localhost systemd-udevd[287]: seq 3360 queued, 'add' 'cgroup'</div><div>Jul 11 16:26:34 localhost systemd[1]: systemd-udevd.service: Got notification message from PID 287 (WATCHDOG=1)</div><div>Jul 11 16:26:34 localhost systemd-udevd[287]: Validate module index</div><div>Jul 11 16:26:34 localhost systemd-udevd[287]: Check if link configuration needs reloading.</div><div>Jul 11 16:26:34 localhost systemd-udevd[287]: seq 3360 forked new worker [2248]</div><div>Jul 11 16:26:34 localhost systemd-udevd[2248]: seq 3360 running</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <info> [1531319194.3950] loaded PPP plugin /usr/lib/arm-linux-gnueabihf/NetworkManager/libnm-ppp-plugin.so</div><div>Jul 11 16:26:34 localhost systemd-udevd[2248]: passed device to netlink monitor 0x1f14508</div><div>Jul 11 16:26:34 localhost systemd-udevd[2248]: seq 3360 processed</div><div>Jul 11 16:26:34 localhost systemd-udevd[287]: cleanup idle workers</div><div>Jul 11 16:26:34 localhost systemd-udevd[2248]: Unload module index</div><div>Jul 11 16:26:34 localhost systemd-udevd[2248]: Unloaded link configuration context.</div><div>Jul 11 16:26:34 localhost systemd-udevd[287]: worker [2248] exited</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <info> [1531319194.3985] ppp-manager: starting PPP connection</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.3986] ppp-manager: command line: /usr/sbin/pppd nodetach lock nodefaultroute ipv6 , debug user noverca ttyS2 noipdefault noauth usepeerdns lcp-echo-failure 0 lcp-echo-interval 0 idle 0 ipparam /org/freedesktop/NetworkManager/PPP/1 plugin /usr/lib/pppd/2.4.7/nm-pppd-plugin.so</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <info> [1531319194.4117] ppp-manager: pppd started with pid 2249</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <info> [1531319194.4123] (ttyS2): IPv6 configuration disabled</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: <debug> [1531319194.4126] device[0x207a3f8] (ttyS2): activation-stage: complete activate_stage3_ip_config_start,2 (id 355)</div><div>Jul 11 16:26:34 localhost pppd[2249]: Plugin /usr/lib/pppd/2.4.7/nm-pppd-plugin.so loaded.</div><div>Jul 11 16:26:34 localhost NetworkManager[1733]: Plugin /usr/lib/pppd/2.4.7/nm-pppd-plugin.so loaded.</div><div>Jul 11 16:26:34 localhost pppd[2249]: nm-ppp-plugin: (plugin_init): initializing</div><div>Jul 11 16:26:34 localhost systemd-udevd[287]: seq 3361 queued, 'add' 'module'</div><div>Jul 11 16:26:34 localhost systemd-udevd[287]: seq 3361 forked new worker [2253]</div><div>Jul 11 16:26:34 localhost systemd-udevd[2253]: seq 3361 running</div><div>Jul 11 16:26:34 localhost systemd-udevd[2253]: passed device to netlink monitor 0x1f14508</div><div>Jul 11 16:26:34 localhost systemd-udevd[2253]: seq 3361 processed</div><div>Jul 11 16:26:34 localhost kernel: [ 813.735340] PPP generic driver version 2.4.2</div><div>Jul 11 16:26:34 localhost systemd-udevd[287]: seq 3362 queued, 'add' 'module'</div><div>Jul 11 16:26:34 localhost systemd-udevd[287]: seq 3362 forked new worker [2255]</div><div>Jul 11 16:26:34 localhost pppd[2249]: pppd 2.4.7 started by root, uid 0</div><div>Jul 11 16:26:34 localhost systemd-udevd[287]: seq 3363 queued, 'add' 'class'</div><div>Jul 11 16:26:34 localhost systemd-udevd[287]: passed 125 byte device to netlink monitor 0x1f1a0c0</div><div>Jul 11 16:26:34 localhost systemd-udevd[2255]: seq 3362 running</div><div>Jul 11 16:26:34 localhost systemd-udevd[287]: seq 3364 queued, 'add' 'ppp'</div><div>Jul 11 16:26:34 localhost systemd-udevd[287]: seq 3364 forked new worker [2256]</div><div>Jul 11 16:26:34 localhost systemd-udevd[2255]: passed device to netlink monitor 0x1f1a290</div><div>Jul 11 16:26:34 localhost systemd-udevd[2255]: seq 3362 processed</div><div>Jul 11 16:26:34 localhost systemd-udevd[2253]: seq 3363 running</div><div>Jul 11 16:26:34 localhost systemd-udevd[2256]: seq 3364 running</div><div>Jul 11 16:26:34 localhost systemd-udevd[2253]: passed device to netlink monitor 0x1f14508</div><div>Jul 11 16:26:34 localhost systemd-udevd[2253]: seq 3363 processed</div><div>Jul 11 16:26:34 localhost systemd-udevd[2256]: handling device node '/dev/ppp', devnum=c108:0, mode=0600, uid=0, gid=0</div><div>Jul 11 16:26:34 localhost systemd-udevd[2256]: preserve permissions /dev/ppp, 020600, uid=0, gid=0</div><div>Jul 11 16:26:34 localhost systemd-udevd[2256]: creating symlink '/dev/char/108:0' to '../ppp'</div><div>Jul 11 16:26:34 localhost systemd-udevd[2256]: created empty file '/run/udev/data/c108:0' for '/devices/virtual/ppp/ppp'</div><div>Jul 11 16:26:34 localhost systemd-udevd[2256]: passed device to netlink monitor 0x1f136f0</div><div>Jul 11 16:26:34 localhost systemd-udevd[2256]: seq 3364 processed</div><div>Jul 11 16:26:34 localhost systemd-udevd[287]: cleanup idle workers</div><div>Jul 11 16:26:34 localhost systemd-udevd[2255]: Unload module index</div><div>Jul 11 16:26:34 localhost systemd-udevd[2255]: Unloaded link configuration context.</div><div>Jul 11 16:26:34 localhost pppd[2249]: nm-ppp-plugin: (nm_phasechange): status 3 / phase 'serial connection'</div><div>Jul 11 16:26:34 localhost systemd-udevd[287]: worker [2255] exited</div><div>Jul 11 16:26:34 localhost systemd-udevd[287]: cleanup idle workers</div><div>Jul 11 16:26:34 localhost systemd-udevd[2253]: Unload module index</div><div>Jul 11 16:26:34 localhost systemd-udevd[2253]: Unloaded link configuration context.</div><div>Jul 11 16:26:34 localhost systemd-udevd[2256]: Unload module index</div><div>Jul 11 16:26:34 localhost systemd-udevd[2256]: Unloaded link configuration context.</div><div>Jul 11 16:26:34 localhost systemd-udevd[287]: worker [2256] exited</div><div>Jul 11 16:26:34 localhost systemd-udevd[287]: cleanup idle workers</div><div>Jul 11 16:26:34 localhost systemd-udevd[287]: worker [2253] exited</div><div>Jul 11 16:26:43 localhost NetworkManager[1733]: <debug> [1531319203.3118] ndisc-lndp[0x202d898,"eth0"]: processing libndp events</div><div>Jul 11 16:26:52 localhost NetworkManager[1733]: <debug> [1531319212.9572] ndisc-lndp[0x202d898,"eth0"]: processing libndp events</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <warn> [1531319214.7852] ppp-manager: pppd timed out or didn't initialize our dbus module</div><div>Jul 11 16:26:54 localhost pppd[2249]: nm-ppp-plugin: (nm_phasechange): status 1 / phase 'dead'</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <debug> [1531319214.7861] kill child process 'pppd' (2249): wait for process to terminate after sending SIGTERM (15) (send SIGKILL in 2000 milliseconds)...</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <debug> [1531319214.7866] device[0x207a3f8] (ttyS2): activation-stage: schedule activate_stage4_ip4_config_timeout,2 (id 364)</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <debug> [1531319214.7874] device[0x207a3f8] (ttyS2): activation-stage: invoke activate_stage4_ip4_config_timeout,2 (id 364)</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <info> [1531319214.7880] device (ttyS2): state change: ip-config -> failed (reason 'ip-config-unavailable') [70 120 5]</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <debug> [1531319214.7940] active-connection[0x1f9f470]: set state deactivated (was activating)</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <debug> [1531319214.7959] active-connection[0x1f9f470]: check-master-ready: not signalling (state deactivated, no master)</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <debug> [1531319214.7963] device[0x207a3f8] (ttyS2): remove_pending_action (0): 'activation-0x1f9f470'</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <debug> [1531319214.8149] modem-broadband[ttyS2]: notifying ModemManager about the modem disconnection</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <debug> [1531319214.8155] policy: connection 'Modem' failed to autoconnect; 4 tries left</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <warn> [1531319214.8191] device (ttyS2): Activation: failed for connection 'Modem'</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <debug> [1531319214.8193] device[0x207a3f8] (ttyS2): add_pending_action (1): 'queued-state-change-disconnected'</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <debug> [1531319214.8195] device[0x207a3f8] (ttyS2): queue-state[disconnected, reason:none, id:377]: queue state change</div><div>Jul 11 16:26:54 localhost ModemManager[1742]: <info> Modem /org/freedesktop/ModemManager1/Modem/0: state changed (connected -> disconnecting)</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <debug> [1531319214.8195] device[0x207a3f8] (ttyS2): activation-stage: complete activate_stage4_ip4_config_timeout,2 (id 364)</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <debug> [1531319214.8234] device[0x207a3f8] (ttyS2): add_pending_action (2): 'autoactivate'</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <debug> [1531319214.8236] device[0x207a3f8] (ttyS2): queue-state[disconnected, reason:none, id:377]: change state</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <info> [1531319214.8236] device (ttyS2): state change: failed -> disconnected (reason 'none') [120 30 0]</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <debug> [1531319214.8237] device[0x207a3f8] (ttyS2): deactivating device (reason 'none') [0]</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <debug> [1531319214.8238] firewall: [0x1fbc060,remove*:"ttyS2"]: firewall zone remove ttyS2:default (not running, simulate success)</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <debug> [1531319214.8239] firewall: [0x1fbc060,remove*:"ttyS2"]: complete: drop request simulating success</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <debug> [1531319214.8240] device[0x207a3f8] (ttyS2): remove_pending_action (2): 'dhcp6' not pending (expected)</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <debug> [1531319214.8240] device[0x207a3f8] (ttyS2): remove_pending_action (2): 'autoconf6' not pending (expected)</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <debug> [1531319214.8242] platform-linux: sysctl: failed to open '/proc/sys/net/ipv6/conf/ttyS2/accept_ra': (2) No such file or directory</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <debug> [1531319214.8243] platform-linux: sysctl: failed to open '/proc/sys/net/ipv6/conf/ttyS2/use_tempaddr': (2) No such file or directory</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <debug> [1531319214.8244] modem-broadband[ttyS2]: notifying ModemManager about the modem disconnection</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <debug> [1531319214.8250] device[0x207a3f8] (ttyS2): ip4-config: update (commit=1, routes-full-sync=1, new-config=(nil))</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <debug> [1531319214.8251] device[0x207a3f8] (ttyS2): ip6-config: update (commit=1, routes-full-sync=1, new-config=(nil))</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <debug> [1531319214.8255] device[0x207a3f8] (ttyS2): ip-ifname: clear ifname</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <debug> [1531319214.8266] dns-mgr: (update_routing_and_dns): queueing DNS updates (1)</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <debug> [1531319214.8269] dns-mgr: (update_routing_and_dns): DNS configuration did not change</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <debug> [1531319214.8270] dns-mgr: (update_routing_and_dns): no DNS changes to commit (0)</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <debug> [1531319214.8273] device[0x207a3f8] (ttyS2): remove_pending_action (1): 'queued-state-change-disconnected'</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <debug> [1531319214.8292] device[0x207a3f8] (ttyS2): remove_pending_action (0): 'autoactivate'</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <debug> [1531319214.8516] device[0x207a3f8] (ttyS2): add_pending_action (1): 'recheck-available'</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <debug> [1531319214.8519] agent-manager: req[0x1ff7d60, :1.19/nmcli-connect/0]: agent unregistered or disappeared</div><div>Jul 11 16:26:54 localhost NetworkManager[1733]: <debug> [1531319214.8531] device[0x207a3f8] (ttyS2): remove_pending_action (0): 'recheck-available'</div><div>Jul 11 16:26:55 localhost pppd[2249]: nm-ppp-plugin: (nm_exit_notify): cleaning up</div><div>Jul 11 16:26:55 localhost pppd[2249]: Exit.</div><div>Jul 11 16:26:55 localhost NetworkManager[1733]: <debug> [1531319215.8074] kill child process 'pppd' (2249): terminated normally with status 9 (1021420 usec elapsed)</div></div>-- <br><div dir="ltr" class="gmail_signature"><font face="Arial, sans-serif" size="3">____________________________________________________</font><br> <font face="Arial, sans-serif" size="3"><b>Francesco Andrisani</b></font><br> <font face="Arial, sans-serif" size="2">mailto:<a href="mailto:francesco.andrisani@acotel.com" target="_blank">francesco.andrisani@acotel.com</a></font><br> <font face="Arial, sans-serif" size="3"><b>Acotel Spa</b></font><br> <font face="Arial, sans-serif" size="3"><a href="http://www.acotel.com/" target="_blank">http://www.acotel.com</a></font><br> <font face="Arial, sans-serif" size="3">Via della Valle dei Fontanili, 29</font><br> <font face="Arial, sans-serif" size="3">00168 Roma</font><br> <font face="Arial, sans-serif" size="3">Tel +390661141200</font><br> <font face="Arial, sans-serif" size="3">Fax +39066149936</font><br> <font face="Arial, sans-serif" size="3">____________________________________________________</font><br> <p align="center"><font face="Arial, sans-serif"><font style="font-size:8pt" size="1"><span lang="it-IT"><span style="text-decoration:none"><span style="font-weight:normal">Le informazioni contenute nella comunicazione che precede possono essere riservate e sono, comunque, destinate esclusivamente alla persona o all’ente sopraindicati. 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