Apr 4 17:59:28 armadillo aiot-modem-controld[225]: 5555 Apr 4 17:59:28 armadillo aiot-modem-controld[225]: 5555 Apr 4 17:59:28 armadillo aiot-modem-controld[225]: 5555 Apr 4 17:59:30 armadillo aiot-modem-controld[225]: PING 210.130.0.20 (210.130.0.20) 1(29) bytes of data. Apr 4 17:59:30 armadillo aiot-modem-controld[225]: 9 bytes from 210.130.0.20: icmp_seq=1 ttl=56 Apr 4 17:59:30 armadillo aiot-modem-controld[225]: 9 bytes from 210.130.0.20: icmp_seq=2 ttl=56 Apr 4 17:59:30 armadillo aiot-modem-controld[225]: --- 210.130.0.20 ping statistics --- Apr 4 17:59:30 armadillo aiot-modem-controld[225]: 2 packets transmitted, 2 received, 0% packet loss, time 20ms Apr 4 17:59:30 armadillo aiot-modem-controld[225]: pipe 2 Apr 4 18:02:28 armadillo aiot-modem-controld[225]: 5555 Apr 4 18:02:28 armadillo aiot-modem-controld[225]: 5555 Apr 4 18:02:28 armadillo aiot-modem-controld[225]: 5555 Apr 4 18:02:38 armadillo aiot-modem-controld[225]: PING 210.130.0.20 (210.130.0.20) 1(29) bytes of data. Apr 4 18:02:38 armadillo aiot-modem-controld[225]: --- 210.130.0.20 ping statistics --- Apr 4 18:02:38 armadillo aiot-modem-controld[225]: 10 packets transmitted, 0 received, 100% packet loss, time 362ms Apr 4 18:02:38 armadillo aiot-modem-controld[225]: ping_check(2982): failed ping check. Apr 4 18:02:38 armadillo aiot-modem-controld[225]: 5555 Apr 4 18:02:40 armadillo aiot-modem-controld[225]: 5555 Apr 4 18:03:29 armadillo systemd-timesyncd[203]: Timed out waiting for reply from 133.243.238.164:123 (ntp.nict.jp). Apr 4 18:03:40 armadillo systemd-timesyncd[203]: Timed out waiting for reply from 133.243.238.244:123 (ntp.nict.jp). Apr 4 18:03:43 armadillo pppd[6081]: No response to 4 echo-requests Apr 4 18:03:43 armadillo systemd-networkd[178]: ppp0: Lost carrier Apr 4 18:03:43 armadillo aiot-modem-controld[225]: --> pppd: @ï  Apr 4 18:03:43 armadillo aiot-modem-controld[225]: --> pppd: @ï  Apr 4 18:03:43 armadillo aiot-modem-controld[225]: --> Connect time 177.2 minutes. Apr 4 18:03:43 armadillo aiot-modem-controld[225]: --> pppd: @ï  Apr 4 18:03:43 armadillo aiot-modem-controld[225]: --> pppd: @ï  Apr 4 18:03:43 armadillo pppd[6081]: Serial link appears to be disconnected. Apr 4 18:03:43 armadillo systemd-timesyncd[203]: No network connectivity, watching for changes. Apr 4 18:03:43 armadillo pppd[6081]: Connect time 177.2 minutes. Apr 4 18:03:43 armadillo pppd[6081]: Sent 8179 bytes, received 50422 bytes. Apr 4 18:03:49 armadillo pppd[6081]: Connection terminated. Apr 4 18:03:49 armadillo pppd[6081]: Modem hangup Apr 4 18:03:49 armadillo aiot-modem-controld[225]: --> pppd: @ï  Apr 4 18:03:49 armadillo aiot-modem-controld[225]: --> pppd: @ï  Apr 4 18:03:49 armadillo pppd[6081]: Exit. Apr 4 18:03:50 armadillo aiot-modem-controld[225]: --> Disconnecting at Tue Apr 4 18:03:50 2023 Apr 4 18:03:56 armadillo aiot-modem-controld[225]: --> The PPP daemon has died: A modem hung up the phone (exit code = 16) Apr 4 18:03:56 armadillo aiot-modem-controld[225]: --> man pppd explains pppd error codes in more detail. Apr 4 18:03:56 armadillo aiot-modem-controld[225]: --> Try again and look into /var/log/messages and the wvdial and pppd man pages for more information. Apr 4 18:03:56 armadillo aiot-modem-controld[225]: --> Auto Reconnect will be attempted in 5 seconds Apr 4 18:03:56 armadillo aiot-modem-controld[225]: --> Initializing modem. Apr 4 18:03:56 armadillo aiot-modem-controld[225]: --> Sending: ATZ Apr 4 18:03:56 armadillo aiot-modem-controld[225]: ATZ Apr 4 18:03:57 armadillo aiot-modem-controld[225]: OK Apr 4 18:03:57 armadillo aiot-modem-controld[225]: --> Sending: AT+CFUN=1 Apr 4 18:03:57 armadillo aiot-modem-controld[225]: AT+CFUN=1 Apr 4 18:03:57 armadillo aiot-modem-controld[225]: OK Apr 4 18:03:57 armadillo aiot-modem-controld[225]: --> Sending: AT+COPS? Apr 4 18:03:57 armadillo aiot-modem-controld[225]: AT+COPS? Apr 4 18:03:57 armadillo aiot-modem-controld[225]: +COPS: 0,2,"44010",7 Apr 4 18:03:57 armadillo aiot-modem-controld[225]: OK Apr 4 18:03:57 armadillo aiot-modem-controld[225]: --> Sending: AT+CMGF=1 Apr 4 18:03:57 armadillo aiot-modem-controld[225]: AT+CMGF=1 Apr 4 18:03:57 armadillo aiot-modem-controld[225]: OK Apr 4 18:03:57 armadillo aiot-modem-controld[225]: --> Modem initialized. Apr 4 18:04:07 armadillo aiot-modem-controld[225]: --> Initializing modem. Apr 4 18:04:07 armadillo aiot-modem-controld[225]: --> Sending: ATZ Apr 4 18:04:07 armadillo aiot-modem-controld[225]: ATZ Apr 4 18:04:08 armadillo aiot-modem-controld[225]: OK Apr 4 18:04:08 armadillo aiot-modem-controld[225]: --> Sending: AT+CFUN=1 Apr 4 18:04:08 armadillo aiot-modem-controld[225]: AT+CFUN=1 Apr 4 18:04:08 armadillo aiot-modem-controld[225]: OK Apr 4 18:04:08 armadillo aiot-modem-controld[225]: --> Sending: AT+COPS? Apr 4 18:04:08 armadillo aiot-modem-controld[225]: AT+COPS? Apr 4 18:04:08 armadillo aiot-modem-controld[225]: +COPS: 0,2,"44010",7 Apr 4 18:04:08 armadillo aiot-modem-controld[225]: OK Apr 4 18:04:08 armadillo aiot-modem-controld[225]: --> Sending: AT+CMGF=1 Apr 4 18:04:08 armadillo aiot-modem-controld[225]: AT+CMGF=1 Apr 4 18:04:08 armadillo aiot-modem-controld[225]: OK Apr 4 18:04:08 armadillo aiot-modem-controld[225]: --> Modem initialized. Apr 4 18:04:08 armadillo aiot-modem-controld[225]: --> Sending: ATD*99***1# Apr 4 18:04:08 armadillo aiot-modem-controld[225]: --> Waiting for carrier. Apr 4 18:04:08 armadillo aiot-modem-controld[225]: ATD*99***1# Apr 4 18:04:08 armadillo aiot-modem-controld[225]: CONNECT Apr 4 18:04:08 armadillo aiot-modem-controld[225]: --> Carrier detected. Starting PPP immediately. Apr 4 18:04:08 armadillo aiot-modem-controld[225]: --> Starting pppd at Tue Apr 4 18:04:08 2023 Apr 4 18:04:08 armadillo aiot-modem-controld[225]: --> Pid of pppd: 6445 Apr 4 18:04:08 armadillo pppd[6445]: pppd 2.4.7 started by root, uid 0 Apr 4 18:04:08 armadillo pppd[6445]: Using interface ppp0 Apr 4 18:04:08 armadillo systemd-udevd[6446]: link_config: autonegotiation is unset or enabled, the speed and duplex are not writable. Apr 4 18:04:08 armadillo pppd[6445]: Connect: ppp0 <--> /dev/ttymxc1 Apr 4 18:04:08 armadillo aiot-modem-controld[225]: --> Using interface ppp0 Apr 4 18:04:08 armadillo aiot-modem-controld[225]: --> pppd: @ï  Apr 4 18:04:08 armadillo aiot-modem-controld[225]: --> pppd: @ï  Apr 4 18:04:09 armadillo pppd[6445]: kernel does not support PPP filtering Apr 4 18:04:09 armadillo pppd[6445]: local IP address 220.156.2.145 Apr 4 18:04:09 armadillo systemd-networkd[178]: ppp0: Gained carrier Apr 4 18:04:09 armadillo systemd-timesyncd[203]: Network configuration changed, trying to establish connection. Apr 4 18:04:09 armadillo pppd[6445]: remote IP address 192.168.50.1 Apr 4 18:04:09 armadillo aiot-modem-controld[225]: --> pppd: @ï  Apr 4 18:04:09 armadillo aiot-modem-controld[225]: --> local IP address 220.156.2.145 Apr 4 18:04:09 armadillo aiot-modem-controld[225]: --> pppd: @ï  Apr 4 18:04:09 armadillo aiot-modem-controld[225]: --> remote IP address 192.168.50.1 Apr 4 18:04:09 armadillo aiot-modem-controld[225]: --> pppd: @ï  Apr 4 18:04:09 armadillo aiot-modem-controld[225]: --> primary DNS address 210.130.0.20 Apr 4 18:04:09 armadillo aiot-modem-controld[225]: --> pppd: @ï  Apr 4 18:04:09 armadillo aiot-modem-controld[225]: --> secondary DNS address 210.130.1.20 Apr 4 18:04:09 armadillo aiot-modem-controld[225]: --> pppd: @ï  Apr 4 18:04:09 armadillo pppd[6445]: primary DNS address 210.130.0.20 Apr 4 18:04:09 armadillo pppd[6445]: secondary DNS address 210.130.1.20 Apr 4 18:04:09 armadillo systemd-timesyncd[203]: Synchronized to time server for the first time 133.243.238.243:123 (ntp.nict.jp). Apr 4 18:04:09 armadillo exim[6459]: 2023-04-04 18:04:09 Start queue run: pid=6459 -qqf Apr 4 18:04:10 armadillo exim[6459]: 2023-04-04 18:04:09 Cannot open main log file "/var/log/exim4/mainlog": Permission denied: euid=0 egid=109 Apr 4 18:04:10 armadillo exim[6459]: exim: could not open panic log - aborting: see message(s) above Apr 4 18:05:28 armadillo aiot-modem-controld[225]: 5555 Apr 4 18:05:28 armadillo aiot-modem-controld[225]: 5555 Apr 4 18:05:28 armadillo aiot-modem-controld[225]: 5555 Apr 4 18:05:29 armadillo aiot-modem-controld[225]: PING 210.130.0.20 (210.130.0.20) 1(29) bytes of data. Apr 4 18:05:29 armadillo aiot-modem-controld[225]: 9 bytes from 210.130.0.20: icmp_seq=1 ttl=58 Apr 4 18:05:29 armadillo aiot-modem-controld[225]: 9 bytes from 210.130.0.20: icmp_seq=2 ttl=58 Apr 4 18:05:29 armadillo aiot-modem-controld[225]: --- 210.130.0.20 ping statistics --- Apr 4 18:05:29 armadillo aiot-modem-controld[225]: 2 packets transmitted, 2 received, 0% packet loss, time 18ms Apr 4 18:05:29 armadillo aiot-modem-controld[225]: pipe 2