Incident 1: May 7 2019

May  7 14:31:16 
 pppd[466]: No response to 10 echo-requests
 pppd[466]: Serial link appears to be disconnected.
 pppd[466]: Connect time 10926.0 minutes.
 pppd[466]: Sent 3946826376 bytes, received 1815556059 bytes.
 dnsmasq[348]: read /etc/hosts - 5 addresses
 dnsmasq[348]: using nameserver 1.0.0.1#53
 dnsmasq[348]: using nameserver 1.1.1.1#53
May  7 14:31:19 
 WAN Connection: Fail to connect with some issues.
 nat: apply redirect rules
May  7 14:31:22 
 pppd[466]: Connection terminated.
 pppd[466]: Sent PADT
 pppd[466]: Modem hangup
May  7 14:31:32 
 pppd[466]: PPP session is 1 (0x1)
 pppd[466]: Connected to 00:00:5e:00:01:65 via interface eth0
 pppd[466]: Using interface ppp0
 pppd[466]: Connect: ppp0 <--> eth0
May  7 14:31:35 
 pppd[466]: peer from calling number 00:00:5E:00:01:65 authorized
 pppd[466]: local  IP address 82.129.91.135
 pppd[466]: remote IP address 149.22.31.252
May  7 14:31:36 
 rc_service: ip-up 1117:notify_rc start_firewall
 dnsmasq[348]: read /etc/hosts - 5 addresses
 dnsmasq[348]: using nameserver 1.0.0.1#53
 dnsmasq[348]: using nameserver 1.1.1.1#53
 miniupnpd[9719]: add_filter_rule() : iptc_commit() error : Invalid argument
 miniupnpd[9719]: Failed to redirect 8899 -> 192.168.2.48:8899 protocol TCP
 miniupnpd[9719]: shutting down MiniUPnPd
 nat: apply nat rules (/tmp/nat_rules_ppp0_eth0)
 wan: finish adding multi routes
 miniupnpd[1153]: version 1.9 started
 rc_service: ip-up 1117:notify_rc stop_upnp
 rc_service: ip-up 1117:notify_rc start_upnp
 rc_service: waitting "stop_upnp" via ip-up ...
 miniupnpd[1153]: HTTP listening on port 36178
 miniupnpd[1153]: Listening for NAT-PMP/PCP traffic on port 5351
 miniupnpd[1153]: shutting down MiniUPnPd
May  7 14:31:37 
 miniupnpd[1163]: version 1.9 started
 miniupnpd[1163]: HTTP listening on port 37087
 miniupnpd[1163]: Listening for NAT-PMP/PCP traffic on port 5351
May  7 14:31:38
 miniupnpd[1163]: upnp_event_recv: recv(): Connection reset by peer
May  7 14:31:39
 WAN Connection: WAN was restored.

Incident 2: May 9 2019

May  9 00:07:25
 WAN Connection: Fail to connect with some issues.
 nat: apply redirect rules
May  9 00:07:27 
 pppd[466]: Connection terminated.
 pppd[466]: Sent PADT
 pppd[466]: Modem hangup
May  9 00:07:58 
 pppd[466]: PPP session is 1 (0x1)
 pppd[466]: Connected to 00:00:5e:00:01:65 via interface eth0
 pppd[466]: Using interface ppp0
 pppd[466]: Connect: ppp0 <--> eth0
May  9 00:08:10 
 pppd[466]: peer from calling number 00:00:5E:00:01:65 authorized
May  9 00:08:12 
 pppd[466]: peer from calling number 00:00:5E:00:01:65 authorized
May  9 00:08:13 
 pppd[466]: local  IP address 62.208.36.80
 pppd[466]: remote IP address 81.2.183.252
 rc_service: ip-up 26629:notify_rc start_firewall
 dnsmasq[348]: read /etc/hosts - 5 addresses
May  9 00:08:14 
 dnsmasq[348]: using nameserver 1.0.0.1#53
 dnsmasq[348]: using nameserver 1.1.1.1#53
 miniupnpd[1163]: shutting down MiniUPnPd
 nat: apply nat rules (/tmp/nat_rules_ppp0_eth0)
 dnsmasq[348]: failed to send packet: Network is unreachable
 ...
 dnsmasq[348]: failed to send packet: Network is unreachable
 wan: finish adding multi routes
 rc_service: ip-up 26629:notify_rc stop_upnp
 rc_service: waitting "start_firewall" via ip-up ...
 miniupnpd[26665]: version 1.9 started
 miniupnpd[26665]: HTTP listening on port 46117
 miniupnpd[26665]: Listening for NAT-PMP/PCP traffic on port 5351
 rc_service: ip-up 26629:notify_rc start_upnp
 rc_service: waitting "stop_upnp" via ip-up ...
 miniupnpd[26665]: shutting down MiniUPnPd
 miniupnpd[26676]: version 1.9 started
 miniupnpd[26676]: HTTP listening on port 57004
 miniupnpd[26676]: Listening for NAT-PMP/PCP traffic on port 5351
 WAN Connection: WAN was restored.