now It is fallen the connection without any error

Sat Mar 14 17:01:38 2020 daemon.warn odhcpd[1569]: DHCPV6 SOLICIT IA_NA from 0001000125af7c6ec83c8512b694 on br-lan: ok fdfd:bcc6:7d3c:10::412/128
Sat Mar 14 17:01:39 2020 daemon.warn odhcpd[1569]: DHCPV6 SOLICIT IA_NA from 0001000125af7c6ec83c8512b694 on br-lan: ok fdfd:bcc6:7d3c:10::412/128
Sat Mar 14 17:01:40 2020 daemon.warn odhcpd[1569]: DHCPV6 REQUEST IA_NA from 0001000125af7c6ec83c8512b694 on br-lan: ok fdfd:bcc6:7d3c:10::412/128
Sat Mar 14 17:02:28 2020 daemon.warn odhcpd[1569]: DHCPV6 SOLICIT IA_NA from 000300012017429d4863 on br-lan: ok fdfd:bcc6:7d3c:10::3/128
Sat Mar 14 17:04:28 2020 daemon.warn odhcpd[1569]: DHCPV6 SOLICIT IA_NA from 000300012017429d4863 on br-lan: ok fdfd:bcc6:7d3c:10::3/128
Sat Mar 14 17:04:47 2020 daemon.notice netifd: WOWFIMarcia2 (3129): udhcpc: sending renew to 100.92.0.1
Sat Mar 14 17:04:47 2020 daemon.notice netifd: WOWFIMarcia2 (3129): udhcpc: lease of 100.118.23.52 obtained, lease time 900
Sat Mar 14 17:04:47 2020 daemon.notice netifd: WOWFIMarcissima (3127): udhcpc: sending renew to 100.92.0.1
Sat Mar 14 17:04:47 2020 daemon.notice netifd: WOWFIMarcissima (3127): udhcpc: lease of 100.118.23.52 obtained, lease time 900
Sat Mar 14 17:06:25 2020 daemon.warn odhcpd[1569]: DHCPV6 SOLICIT IA_NA from 000300012017429d4863 on br-lan: ok fdfd:bcc6:7d3c:10::3/128
Sat Mar 14 17:08:25 2020 daemon.info dnsmasq-dhcp[2236]: DHCPINFORM(br-lan) 192.168.8.138 c4:9d:ed:18:bd:8d
Sat Mar 14 17:08:25 2020 daemon.info dnsmasq-dhcp[2236]: DHCPACK(br-lan) 192.168.8.138 c4:9d:ed:18:bd:8d TP00671632
Sat Mar 14 17:08:35 2020 daemon.warn odhcpd[1569]: DHCPV6 SOLICIT IA_NA from 000300012017429d4863 on br-lan: ok fdfd:bcc6:7d3c:10::3/128
Sat Mar 14 17:10:24 2020 daemon.warn odhcpd[1569]: DHCPV6 SOLICIT IA_NA from 000300012017429d4863 on br-lan: ok fdfd:bcc6:7d3c:10::3/128
Sat Mar 14 17:12:17 2020 daemon.notice netifd: WOWFIMarcia2 (3129): udhcpc: sending renew to 100.92.0.1
Sat Mar 14 17:12:17 2020 daemon.notice netifd: WOWFIMarcia2 (3129): udhcpc: lease of 100.118.23.52 obtained, lease time 900
Sat Mar 14 17:12:17 2020 daemon.notice netifd: WOWFIMarcissima (3127): udhcpc: sending renew to 100.92.0.1
Sat Mar 14 17:12:17 2020 daemon.notice netifd: WOWFIMarcissima (3127): udhcpc: lease of 100.118.23.52 obtained, lease time 900
Sat Mar 14 17:12:24 2020 daemon.warn odhcpd[1569]: DHCPV6 SOLICIT IA_NA from 000300012017429d4863 on br-lan: ok fdfd:bcc6:7d3c:10::3/128
Sat Mar 14 17:13:44 2020 daemon.info dnsmasq-dhcp[2236]: DHCPINFORM(br-lan) 192.168.8.138 c4:9d:ed:18:bd:8d
Sat Mar 14 17:13:44 2020 daemon.info dnsmasq-dhcp[2236]: DHCPACK(br-lan) 192.168.8.138 c4:9d:ed:18:bd:8d TP00671632
Sat Mar 14 17:14:23 2020 daemon.warn odhcpd[1569]: DHCPV6 SOLICIT IA_NA from 000300012017429d4863 on br-lan: ok fdfd:bcc6:7d3c:10::3/128
Sat Mar 14 17:16:29 2020 daemon.warn odhcpd[1569]: DHCPV6 SOLICIT IA_NA from 000300012017429d4863 on br-lan: ok fdfd:bcc6:7d3c:10::3/128
Sat Mar 14 17:18:20 2020 daemon.warn odhcpd[1569]: DHCPV6 SOLICIT IA_NA from 000300012017429d4863 on br-lan: ok fdfd:bcc6:7d3c:10::3/128
Sat Mar 14 17:18:51 2020 daemon.info dnsmasq-dhcp[2236]: DHCPINFORM(br-lan) 192.168.8.138 c4:9d:ed:18:bd:8d
Sat Mar 14 17:18:51 2020 daemon.info dnsmasq-dhcp[2236]: DHCPACK(br-lan) 192.168.8.138 c4:9d:ed:18:bd:8d TP00671632
Sat Mar 14 17:19:47 2020 daemon.notice netifd: WOWFIMarcissima (3127): udhcpc: sending renew to 100.92.0.1
Sat Mar 14 17:19:47 2020 daemon.notice netifd: WOWFIMarcissima (3127): udhcpc: lease of 100.118.23.52 obtained, lease time 900
Sat Mar 14 17:19:47 2020 daemon.notice netifd: WOWFIMarcia2 (3129): udhcpc: sending renew to 100.92.0.1
Sat Mar 14 17:19:48 2020 daemon.notice netifd: WOWFIMarcia2 (3129): udhcpc: lease of 100.118.23.52 obtained, lease time 900
Sat Mar 14 17:20:16 2020 daemon.warn odhcpd[1569]: DHCPV6 SOLICIT IA_NA from 000300012017429d4863 on br-lan: ok fdfd:bcc6:7d3c:10::3/128
Sat Mar 14 17:22:14 2020 daemon.warn odhcpd[1569]: DHCPV6 SOLICIT IA_NA from 000300012017429d4863 on br-lan: ok fdfd:bcc6:7d3c:10::3/128
Sat Mar 14 17:23:07 2020 daemon.warn dnsmasq[2236]: possible DNS-rebind attack detected: 192-168-8-2.abcdefghijklmnopqrstuvwxyz012345.plex.direct
Sat Mar 14 17:24:20 2020 daemon.warn odhcpd[1569]: DHCPV6 SOLICIT IA_NA from 000300012017429d4863 on br-lan: ok fdfd:bcc6:7d3c:10::3/128
Sat Mar 14 17:26:24 2020 daemon.warn odhcpd[1569]: DHCPV6 SOLICIT IA_NA from 000300012017429d4863 on br-lan: ok fdfd:bcc6:7d3c:10::3/128
Sat Mar 14 17:27:17 2020 daemon.notice netifd: WOWFIMarcissima (3127): udhcpc: sending renew to 100.92.0.1
Sat Mar 14 17:27:17 2020 daemon.notice netifd: WOWFIMarcissima (3127): udhcpc: lease of 100.118.23.52 obtained, lease time 900
Sat Mar 14 17:27:18 2020 daemon.notice netifd: WOWFIMarcia2 (3129): udhcpc: sending renew to 100.92.0.1
Sat Mar 14 17:27:18 2020 daemon.notice netifd: WOWFIMarcia2 (3129): udhcpc: lease of 100.118.23.52 obtained, lease time 900
Sat Mar 14 17:28:16 2020 daemon.warn odhcpd[1569]: DHCPV6 SOLICIT IA_NA from 000300012017429d4863 on br-lan: ok fdfd:bcc6:7d3c:10::3/128
Sat Mar 14 17:30:09 2020 daemon.warn odhcpd[1569]: DHCPV6 SOLICIT IA_NA from 000300012017429d4863 on br-lan: ok fdfd:bcc6:7d3c:10::3/128
Sat Mar 14 17:32:13 2020 daemon.warn odhcpd[1569]: DHCPV6 SOLICIT IA_NA from 000300012017429d4863 on br-lan: ok fdfd:bcc6:7d3c:10::3/128
Sat Mar 14 17:34:10 2020 daemon.warn odhcpd[1569]: DHCPV6 SOLICIT IA_NA from 000300012017429d4863 on br-lan: ok fdfd:bcc6:7d3c:10::3/128
Sat Mar 14 17:34:47 2020 daemon.notice netifd: WOWFIMarcissima (3127): udhcpc: sending renew to 100.92.0.1
Sat Mar 14 17:34:47 2020 daemon.notice netifd: WOWFIMarcissima (3127): udhcpc: lease of 100.118.23.52 obtained, lease time 900
Sat Mar 14 17:34:48 2020 daemon.notice netifd: WOWFIMarcia2 (3129): udhcpc: sending renew to 100.92.0.1
Sat Mar 14 17:34:48 2020 daemon.notice netifd: WOWFIMarcia2 (3129): udhcpc: lease of 100.118.23.52 obtained, lease time 900
Sat Mar 14 17:36:16 2020 daemon.warn odhcpd[1569]: DHCPV6 SOLICIT IA_NA from 000300012017429d4863 on br-lan: ok fdfd:bcc6:7d3c:10::3/128
Sat Mar 14 17:38:23 2020 daemon.warn odhcpd[1569]: DHCPV6 SOLICIT IA_NA from 000300012017429d4863 on br-lan: ok fdfd:bcc6:7d3c:10::3/128
Sat Mar 14 17:40:11 2020 daemon.warn dnsmasq[2236]: possible DNS-rebind attack detected: 192-168-8-2.abcdefghijklmnopqrstuvwxyz012345.plex.direct
Sat Mar 14 17:40:32 2020 daemon.warn odhcpd[1569]: DHCPV6 SOLICIT IA_NA from 000300012017429d4863 on br-lan: ok fdfd:bcc6:7d3c:10::3/128
Sat Mar 14 17:42:17 2020 daemon.notice netifd: WOWFIMarcissima (3127): udhcpc: sending renew to 100.92.0.1
Sat Mar 14 17:42:17 2020 daemon.notice netifd: WOWFIMarcissima (3127): udhcpc: lease of 100.118.23.52 obtained, lease time 900
Sat Mar 14 17:42:18 2020 daemon.notice netifd: WOWFIMarcia2 (3129): udhcpc: sending renew to 100.92.0.1
Sat Mar 14 17:42:18 2020 daemon.notice netifd: WOWFIMarcia2 (3129): udhcpc: lease of 100.118.23.52 obtained, lease time 900
Sat Mar 14 17:42:39 2020 daemon.warn odhcpd[1569]: DHCPV6 SOLICIT IA_NA from 000300012017429d4863 on br-lan: ok fdfd:bcc6:7d3c:10::3/128
Sat Mar 14 17:44:37 2020 daemon.warn odhcpd[1569]: DHCPV6 SOLICIT IA_NA from 000300012017429d4863 on br-lan: ok fdfd:bcc6:7d3c:10::3/128