Hi,
I have a similar problem, after updating my ** tp-link tl-wdr3600 ** from openwrt 15.05 to 18.06.02 the wireless does not work, or rather it works only 10 minutes and after this time (more or less) disconnects all connected devices.
the log are very similar
Kernel-log
root@OpenWrt:/etc/config# dmesg
[ 0.000000] Linux version 4.9.152 (buildbot@builds-03.infra.lede-project.org) (gcc version 7.3.0 (OpenWrt GCC 7.3.0 r7549-217219e) ) #0 Mon Jan 28 08:54:32 2019
[ 0.000000] MyLoader: sysp=f5cea690, boardp=5edf218d, parts=91f4a302
[ 0.000000] bootconsole [early0] enabled
[ 0.000000] CPU0 revision is: 0001974c (MIPS 74Kc)
[ 0.000000] SoC: Atheros AR9344 rev 2
[ 0.000000] Determined physical RAM map:
[ 0.000000] memory: 08000000 @ 00000000 (usable)
[ 0.000000] Initrd not found or empty - disabling initrd
[ 0.000000] Primary instruction cache 64kB, VIPT, 4-way, linesize 32 bytes.
[ 0.000000] Primary data cache 32kB, 4-way, VIPT, cache aliases, linesize 32 bytes
[ 0.000000] Zone ranges:
[ 0.000000] Normal [mem 0x0000000000000000-0x0000000007ffffff]
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x0000000000000000-0x0000000007ffffff]
[ 0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x0000000007ffffff]
[ 0.000000] On node 0 totalpages: 32768
[ 0.000000] free_area_init_node: node 0, pgdat 8044a204, node_mem_map 81000020
[ 0.000000] Normal zone: 256 pages used for memmap
[ 0.000000] Normal zone: 0 pages reserved
[ 0.000000] Normal zone: 32768 pages, LIFO batch:7
[ 0.000000] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768
[ 0.000000] pcpu-alloc: [0] 0
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 32512
[ 0.000000] Kernel command line: board=TL-WDR4300 console=ttyS0,115200 rootfstype=squashfs noinitrd
[ 0.000000] PID hash table entries: 512 (order: -1, 2048 bytes)
[ 0.000000] Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)
[ 0.000000] Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
[ 0.000000] Writing ErrCtl register=00000000
[ 0.000000] Readback ErrCtl register=00000000
[ 0.000000] Memory: 125004K/131072K available (3388K kernel code, 175K rwdata, 448K rodata, 268K init, 211K bss, 6068K reserved, 0K cma-reserved)
[ 0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.000000] NR_IRQS:51
[ 0.000000] Clocks: CPU:560.000MHz, DDR:450.000MHz, AHB:225.000MHz, Ref:40.000MHz
[ 0.000000] clocksource: MIPS: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 6825930166 ns
[ 0.000010] sched_clock: 32 bits at 280MHz, resolution 3ns, wraps every 7669584382ns
[ 0.008701] Calibrating delay loop... 278.93 BogoMIPS (lpj=1394688)
[ 0.081659] pid_max: default: 32768 minimum: 301
[ 0.086918] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.094308] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.104872] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.115870] futex hash table entries: 256 (order: -1, 3072 bytes)
[ 0.123889] NET: Registered protocol family 16
[ 0.130353] MIPS: machine is TP-LINK TL-WDR3600/4300/4310
[ 0.139706] registering PCI controller with io_map_base unset
[ 0.383469] Can't analyze schedule() prologue at 803ab684
[ 0.400334] PCI host bridge to bus 0000:00
[ 0.404918] pci_bus 0000:00: root bus resource [mem 0x10000000-0x13ffffff]
[ 0.412619] pci_bus 0000:00: root bus resource [io 0x0000]
[ 0.418830] pci_bus 0000:00: root bus resource [??? 0x00000000 flags 0x0]
[ 0.426409] pci_bus 0000:00: No busn resource found for root bus, will use [bus 00-ff]
[ 0.435272] pci 0000:00:00.0: [168c:0033] type 00 class 0x028000
[ 0.435283] pci 0000:00:00.0: invalid calibration data
[ 0.441044] pci 0000:00:00.0: reg 0x10: [mem 0x00000000-0x0001ffff 64bit]
[ 0.441099] pci 0000:00:00.0: reg 0x30: [mem 0x00000000-0x0000ffff pref]
[ 0.441176] pci 0000:00:00.0: supports D1
[ 0.441186] pci 0000:00:00.0: PME# supported from D0 D1 D3hot
[ 0.441423] pci_bus 0000:00: busn_res: [bus 00-ff] end is updated to 00
[ 0.441452] pci 0000:00:00.0: BAR 0: assigned [mem 0x10000000-0x1001ffff 64bit]
[ 0.449623] pci 0000:00:00.0: BAR 6: assigned [mem 0x10020000-0x1002ffff pref]
[ 0.457710] pci 0000:00:00.0: using irq 40 for pin 1
[ 0.466479] clocksource: Switched to clocksource MIPS
[ 0.473214] NET: Registered protocol family 2
[ 0.479041] TCP established hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.486864] TCP bind hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.493961] TCP: Hash tables configured (established 1024 bind 1024)
[ 0.501142] UDP hash table entries: 256 (order: 0, 4096 bytes)
[ 0.507698] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
[ 0.514928] NET: Registered protocol family 1
[ 0.519865] PCI: CLS 0 bytes, default 32
[ 0.522654] Crashlog allocated RAM at address 0x3f00000
[ 0.529623] workingset: timestamp_bits=30 max_order=15 bucket_order=0
[ 0.544114] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[ 0.550655] jffs2: version 2.2 (NAND) (SUMMARY) (LZMA) (RTIME) (CMODE_PRIORITY) (c) 2001-2006 Red Hat, Inc.
[ 0.570854] io scheduler noop registered
[ 0.575227] io scheduler deadline registered (default)
[ 0.581422] Serial: 8250/16550 driver, 16 ports, IRQ sharing enabled
[ 0.591337] console [ttyS0] disabled
[ 0.615399] serial8250.0: ttyS0 at MMIO 0x18020000 (irq = 11, base_baud = 2500000) is a 16550A
[ 0.625033] console [ttyS0] enabled
[ 0.632455] bootconsole [early0] disabled
[ 0.647011] m25p80 spi0.0: found s25fl064k, expected m25p80
[ 0.664716] m25p80 spi0.0: s25fl064k (8192 Kbytes)
[ 0.669907] 5 tp-link partitions found on MTD device spi0.0
[ 0.675562] Creating 5 MTD partitions on "spi0.0":
[ 0.680459] 0x000000000000-0x000000020000 : "u-boot"
[ 0.687438] 0x000000020000-0x00000017032c : "kernel"
[ 0.694459] 0x00000017032c-0x0000007f0000 : "rootfs"
[ 0.701155] mtd: device 2 (rootfs) set to be root filesystem
[ 0.706980] 1 squashfs-split partitions found on MTD device rootfs
[ 0.713254] 0x0000003c0000-0x0000007f0000 : "rootfs_data"
[ 0.720871] 0x0000007f0000-0x000000800000 : "art"
[ 0.727743] 0x000000020000-0x0000007f0000 : "firmware"
[ 0.735966] libphy: Fixed MDIO Bus: probed
[ 0.752193] switch0: Atheros AR8327 rev. 4 switch registered on ag71xx-mdio.0
[ 1.418832] libphy: ag71xx_mdio: probed
[ 2.047873] ag71xx ag71xx.0: connected to PHY at ag71xx-mdio.0:00 [uid=004dd034, driver=Atheros AR8216/AR8236/AR8316]
[ 2.059396] eth0: Atheros AG71xx at 0xb9000000, irq 4, mode:RGMII
[ 2.067767] NET: Registered protocol family 10
[ 2.076022] NET: Registered protocol family 17
[ 2.080635] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[ 2.093903] 8021q: 802.1Q VLAN Support v1.8
[ 2.099855] hctosys: unable to open rtc device (rtc0)
[ 2.109744] VFS: Mounted root (squashfs filesystem) readonly on device 31:2.
[ 2.118174] Freeing unused kernel memory: 268K
[ 2.122686] This architecture does not have kernel memory protection.
[ 2.566492] random: fast init done
[ 2.822165] init: Console is alive
[ 2.825837] init: - watchdog -
[ 3.782025] kmodloader: loading kernel modules from /etc/modules-boot.d/*
[ 3.850891] usbcore: registered new interface driver usbfs
[ 3.856609] usbcore: registered new interface driver hub
[ 3.862090] usbcore: registered new device driver usb
[ 3.872622] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 3.880844] ehci-platform: EHCI generic platform driver
[ 3.886242] ehci-platform ehci-platform: EHCI Host Controller
[ 3.892157] ehci-platform ehci-platform: new USB bus registered, assigned bus number 1
[ 3.902297] ehci-platform ehci-platform: irq 3, io mem 0x1b000000
[ 3.936520] ehci-platform ehci-platform: USB 2.0 started, EHCI 1.00
[ 3.943813] hub 1-0:1.0: USB hub found
[ 3.948014] hub 1-0:1.0: 1 port detected
[ 3.952828] kmodloader: done loading kernel modules from /etc/modules-boot.d/*
[ 3.970624] init: - preinit -
[ 4.546562] usb 1-1: new high-speed USB device number 2 using ehci-platform
[ 4.791189] random: procd: uninitialized urandom read (4 bytes read)
[ 4.798107] hub 1-1:1.0: USB hub found
[ 4.806063] hub 1-1:1.0: 4 ports detected
[ 4.814512] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 5.877732] eth0: link up (1000Mbps/Full duplex)
[ 5.882553] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 8.168431] jffs2: notice: (438) jffs2_build_xattr_subsystem: complete building xattr subsystem, 0 of xdatum (0 unchecked, 0 orphan) and 0 of xref (0 dead, 0 orphan) found.
[ 8.187883] mount_root: switching to jffs2 overlay
[ 8.222596] urandom-seed: Seeding with /etc/urandom.seed
[ 8.557999] eth0: link down
[ 8.573176] procd: - early -
[ 8.576205] procd: - watchdog -
[ 9.211634] procd: - watchdog -
[ 9.215111] procd: - ubus -
[ 9.233890] random: ubusd: uninitialized urandom read (4 bytes read)
[ 9.270507] random: ubusd: uninitialized urandom read (4 bytes read)
[ 9.277522] random: ubusd: uninitialized urandom read (4 bytes read)
[ 9.284996] procd: - init -
[ 9.870360] kmodloader: loading kernel modules from /etc/modules.d/*
[ 9.881789] ip6_tables: (C) 2000-2006 Netfilter Core Team
[ 9.897174] Netfilter messages via NETLINK v0.30.
[ 9.911456] ip_set: protocol 6
[ 10.031076] Loading modules backported from Linux version wt-2017-11-01-0-gfe248fc2c180
[ 10.039262] Backport generated by backports.git v4.14-rc2-1-31-g86cf0e5d
[ 10.049977] ip_tables: (C) 2000-2006 Netfilter Core Team
[ 10.066148] nf_conntrack version 0.5.0 (2048 buckets, 8192 max)
[ 10.157896] xt_time: kernel timezone is -0000
[ 10.222598] PPP generic driver version 2.4.2
[ 10.229597] NET: Registered protocol family 24
[ 10.278697] ath: EEPROM regdomain: 0x0
[ 10.278706] ath: EEPROM indicates default country code should be used
[ 10.278710] ath: doing EEPROM country->regdmn map search
[ 10.278725] ath: country maps to regdmn code: 0x3a
[ 10.278731] ath: Country alpha2 being used: US
[ 10.278735] ath: Regpair used: 0x3a
[ 10.290952] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht'
[ 10.294824] ieee80211 phy0: Atheros AR9340 Rev:2 mem=0xb8100000, irq=47
[ 10.301780] PCI: Enabling device 0000:00:00.0 (0000 -> 0002)
[ 10.312972] ath: EEPROM regdomain: 0x0
[ 10.312979] ath: EEPROM indicates default country code should be used
[ 10.312983] ath: doing EEPROM country->regdmn map search
[ 10.312998] ath: country maps to regdmn code: 0x3a
[ 10.313004] ath: Country alpha2 being used: US
[ 10.313008] ath: Regpair used: 0x3a
[ 10.322581] ieee80211 phy1: Selected rate control algorithm 'minstrel_ht'
[ 10.326575] ieee80211 phy1: Atheros AR9300 Rev:4 mem=0xb0000000, irq=40
[ 10.437563] kmodloader: done loading kernel modules from /etc/modules.d/*
[ 11.922347] urandom_read: 5 callbacks suppressed
[ 11.922355] random: jshn: uninitialized urandom read (4 bytes read)
[ 23.245916] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 23.253215] eth0: link up (1000Mbps/Full duplex)
[ 23.276693] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 23.293160] br-lan: port 1(eth0.1) entered blocking state
[ 23.298704] br-lan: port 1(eth0.1) entered disabled state
[ 23.304579] device eth0.1 entered promiscuous mode
[ 23.309634] device eth0 entered promiscuous mode
[ 23.372537] br-lan: port 1(eth0.1) entered blocking state
[ 23.378072] br-lan: port 1(eth0.1) entered forwarding state
[ 23.383889] IPv6: ADDRCONF(NETDEV_UP): br-lan: link is not ready
[ 24.276814] IPv6: ADDRCONF(NETDEV_CHANGE): br-lan: link becomes ready
[ 26.917143] ath: EEPROM regdomain: 0x817c
[ 26.921219] ath: EEPROM indicates we should expect a country code
[ 26.927448] ath: doing EEPROM country->regdmn map search
[ 26.932835] ath: country maps to regdmn code: 0x37
[ 26.937709] ath: Country alpha2 being used: IT
[ 26.942215] ath: Regpair used: 0x37
[ 26.945767] ath: regdomain 0x817c dynamically updated by user
[ 26.951685] ath: EEPROM regdomain: 0x817c
[ 26.955748] ath: EEPROM indicates we should expect a country code
[ 26.961944] ath: doing EEPROM country->regdmn map search
[ 26.967339] ath: country maps to regdmn code: 0x37
[ 26.972197] ath: Country alpha2 being used: IT
[ 26.976714] ath: Regpair used: 0x37
[ 26.980250] ath: regdomain 0x817c dynamically updated by user
[ 29.393296] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
[ 29.488862] br-lan: port 2(wlan1) entered blocking state
[ 29.494265] br-lan: port 2(wlan1) entered disabled state
[ 29.500118] device wlan1 entered promiscuous mode
[ 29.587575] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 29.683956] br-lan: port 3(wlan0) entered blocking state
[ 29.689411] br-lan: port 3(wlan0) entered disabled state
[ 29.695218] device wlan0 entered promiscuous mode
[ 29.700143] br-lan: port 3(wlan0) entered blocking state
[ 29.705565] br-lan: port 3(wlan0) entered forwarding state
[ 29.895348] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 29.902027] br-lan: port 2(wlan1) entered blocking state
[ 29.907459] br-lan: port 2(wlan1) entered forwarding state
[ 30.406637] br-lan: port 3(wlan0) entered disabled state
[ 31.274029] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 31.280746] br-lan: port 3(wlan0) entered blocking state
[ 31.286164] br-lan: port 3(wlan0) entered forwarding state
[ 51.815741] random: crng init done
[ 137.330133] device wlan0 left promiscuous mode
[ 137.334761] br-lan: port 3(wlan0) entered disabled state
[ 137.343351] device wlan1 left promiscuous mode
[ 137.348146] br-lan: port 2(wlan1) entered disabled state
[ 139.528566] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
[ 139.569663] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 139.594016] br-lan: port 2(wlan1) entered blocking state
[ 139.599564] br-lan: port 2(wlan1) entered disabled state
[ 139.605372] device wlan1 entered promiscuous mode
[ 139.610297] br-lan: port 2(wlan1) entered blocking state
[ 139.615695] br-lan: port 2(wlan1) entered forwarding state
[ 139.660075] br-lan: port 3(wlan0) entered blocking state
[ 139.665506] br-lan: port 3(wlan0) entered disabled state
[ 139.671418] device wlan0 entered promiscuous mode
[ 139.676287] br-lan: port 3(wlan0) entered blocking state
[ 139.681724] br-lan: port 3(wlan0) entered forwarding state
[ 139.846507] br-lan: port 2(wlan1) entered disabled state
[ 139.852208] br-lan: port 3(wlan0) entered disabled state
[ 140.377990] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 140.384617] br-lan: port 2(wlan1) entered blocking state
[ 140.390069] br-lan: port 2(wlan1) entered forwarding state
[ 141.510038] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 141.516744] br-lan: port 3(wlan0) entered blocking state
[ 141.522145] br-lan: port 3(wlan0) entered forwarding state
system log
Tue Feb 26 18:26:28 2019 daemon.info hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.11: authenticated
Tue Feb 26 18:26:28 2019 daemon.info hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.11: associated (aid 1)
Tue Feb 26 18:26:28 2019 daemon.notice hostapd: wlan1: AP-STA-CONNECTED xx:xx:xx:xx:xx:xx
Tue Feb 26 18:26:28 2019 daemon.info hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: pairwise key handshake completed (RSN)
Tue Feb 26 18:26:28 2019 daemon.info dnsmasq-dhcp[1949]: DHCPREQUEST(br-lan) 192.168.0.170 xx:xx:xx:xx:xx:xx
Tue Feb 26 18:26:28 2019 daemon.info dnsmasq-dhcp[1949]: DHCPACK(br-lan) 192.168.0.170 xx:xx:xx:xx:xx:xx aaaaaaa
Tue Feb 26 18:26:29 2019 daemon.warn odhcpd[977]: DHCPV6 CONFIRM IA_NA from 000100012361253b00809b0033d1 on br-lan: not on-link fdd3:f011:9bb8::59b/128
Tue Feb 26 18:26:29 2019 daemon.warn odhcpd[977]: DHCPV6 SOLICIT IA_NA from 000100012361253b00809b0033d1 on br-lan: ok fdd3:f011:9bb8::59b/128
Tue Feb 26 18:26:29 2019 daemon.info dnsmasq[1949]: read /etc/hosts - 4 addresses
Tue Feb 26 18:26:29 2019 daemon.info dnsmasq[1949]: read /tmp/hosts/odhcpd - 2 addresses
Tue Feb 26 18:26:29 2019 daemon.info dnsmasq[1949]: read /tmp/hosts/dhcp.cfg01411c - 2 addresses
Tue Feb 26 18:26:29 2019 daemon.info dnsmasq-dhcp[1949]: read /etc/ethers - 0 addresses
Tue Feb 26 18:26:30 2019 daemon.warn odhcpd[977]: DHCPV6 REQUEST IA_NA from 000100012361253b00809b0033d1 on br-lan: ok fdd3:f011:9bb8::59b/128
Tue Feb 26 18:26:30 2019 daemon.info dnsmasq[1949]: read /etc/hosts - 4 addresses
Tue Feb 26 18:26:30 2019 daemon.info dnsmasq[1949]: read /tmp/hosts/odhcpd - 3 addresses
Tue Feb 26 18:26:30 2019 daemon.info dnsmasq[1949]: read /tmp/hosts/dhcp.cfg01411c - 2 addresses
Tue Feb 26 18:26:30 2019 daemon.info dnsmasq-dhcp[1949]: read /etc/ethers - 0 addresses
Tue Feb 26 18:26:49 2019 daemon.info hostapd: wlan0: STA 48:3c:0c:61:ae:0d IEEE 802.11: authenticated
Tue Feb 26 18:26:49 2019 daemon.info hostapd: wlan0: STA 48:3c:0c:61:ae:0d IEEE 802.11: associated (aid 7)
Tue Feb 26 18:26:49 2019 daemon.notice hostapd: wlan0: AP-STA-CONNECTED 48:3c:0c:61:ae:0d
Tue Feb 26 18:26:49 2019 daemon.info hostapd: wlan0: STA 48:3c:0c:61:ae:0d WPA: pairwise key handshake completed (RSN)
Tue Feb 26 18:26:49 2019 daemon.info dnsmasq-dhcp[1949]: DHCPREQUEST(br-lan) 192.168.0.205 48:3c:0c:61:ae:0d
Tue Feb 26 18:26:49 2019 daemon.info dnsmasq-dhcp[1949]: DHCPACK(br-lan) 192.168.0.205 48:3c:0c:61:ae:0d aaaaaaa
Tue Feb 26 18:28:10 2019 daemon.info hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.11: authenticated
Tue Feb 26 18:28:10 2019 daemon.info hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.11: associated (aid 2)
Tue Feb 26 18:28:10 2019 daemon.notice hostapd: wlan1: AP-STA-CONNECTED xx:xx:xx:xx:xx:xx
Tue Feb 26 18:28:10 2019 daemon.info hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: pairwise key handshake completed (RSN)
Tue Feb 26 18:28:10 2019 daemon.info dnsmasq-dhcp[1949]: DHCPREQUEST(br-lan) 192.168.0.238 xx:xx:xx:xx:xx:xx
Tue Feb 26 18:28:10 2019 daemon.warn dnsmasq-dhcp[1949]: Ignoring domain dir.svc.accenture.com for DHCP host name aaaaaaa
Tue Feb 26 18:28:10 2019 daemon.info dnsmasq-dhcp[1949]: DHCPACK(br-lan) 192.168.0.238 xx:xx:xx:xx:xx:xx aaaaaaa
Tue Feb 26 18:28:11 2019 daemon.warn odhcpd[977]: DHCPV6 CONFIRM IA_NA from 0001000122620f0a10e7c678be5c on br-lan: not on-link fdd3:f011:9bb8::923/128
Tue Feb 26 18:28:19 2019 daemon.warn odhcpd[977]: DHCPV6 SOLICIT IA_NA from 0001000122620f0a10e7c678be5c on br-lan: ok fdd3:f011:9bb8::923/128
Tue Feb 26 18:28:19 2019 daemon.info dnsmasq[1949]: read /etc/hosts - 4 addresses
Tue Feb 26 18:28:19 2019 daemon.info dnsmasq[1949]: read /tmp/hosts/odhcpd - 2 addresses
Tue Feb 26 18:28:19 2019 daemon.info dnsmasq[1949]: read /tmp/hosts/dhcp.cfg01411c - 2 addresses
Tue Feb 26 18:28:19 2019 daemon.info dnsmasq-dhcp[1949]: read /etc/ethers - 0 addresses
Tue Feb 26 18:28:20 2019 daemon.warn odhcpd[977]: DHCPV6 REQUEST IA_NA from 0001000122620f0a10e7c678be5c on br-lan: ok fdd3:f011:9bb8::923/128
Tue Feb 26 18:28:20 2019 daemon.info dnsmasq[1949]: read /etc/hosts - 4 addresses
Tue Feb 26 18:28:20 2019 daemon.info dnsmasq[1949]: read /tmp/hosts/odhcpd - 3 addresses
Tue Feb 26 18:28:20 2019 daemon.info dnsmasq[1949]: read /tmp/hosts/dhcp.cfg01411c - 2 addresses
Tue Feb 26 18:28:20 2019 daemon.info dnsmasq-dhcp[1949]: read /etc/ethers - 0 addresses
Tue Feb 26 18:30:21 2019 daemon.info hostapd: wlan0: STA xx:xx:xx:xx:xx:xx IEEE 802.11: authenticated
Tue Feb 26 18:30:21 2019 daemon.info hostapd: wlan0: STA xx:xx:xx:xx:xx:xx IEEE 802.11: associated (aid 2)
Tue Feb 26 18:30:21 2019 daemon.notice hostapd: wlan0: AP-STA-CONNECTED xx:xx:xx:xx:xx:xx
Tue Feb 26 18:30:21 2019 daemon.info hostapd: wlan0: STA xx:xx:xx:xx:xx:xx WPA: pairwise key handshake completed (RSN)
Tue Feb 26 18:30:21 2019 daemon.info dnsmasq-dhcp[1949]: DHCPREQUEST(br-lan) 192.168.0.238 xx:xx:xx:xx:xx:xx
Tue Feb 26 18:30:21 2019 daemon.warn dnsmasq-dhcp[1949]: Ignoring domain dir.svc.accenture.com for DHCP host name aaaaaaa
Tue Feb 26 18:30:21 2019 daemon.info dnsmasq-dhcp[1949]: DHCPACK(br-lan) 192.168.0.238 xx:xx:xx:xx:xx:xx aaaaaaa
Tue Feb 26 18:30:22 2019 daemon.warn odhcpd[977]: DHCPV6 CONFIRM IA_NA from 0001000122620f0a10e7c678be5c on br-lan: not on-link fdd3:f011:9bb8::923/128
Tue Feb 26 18:30:23 2019 daemon.warn odhcpd[977]: DHCPV6 SOLICIT IA_NA from 0001000122620f0a10e7c678be5c on br-lan: ok fdd3:f011:9bb8::923/128
Tue Feb 26 18:30:23 2019 daemon.info dnsmasq[1949]: read /etc/hosts - 4 addresses
Tue Feb 26 18:30:23 2019 daemon.info dnsmasq[1949]: read /tmp/hosts/odhcpd - 2 addresses
Tue Feb 26 18:30:23 2019 daemon.info dnsmasq[1949]: read /tmp/hosts/dhcp.cfg01411c - 2 addresses
Tue Feb 26 18:30:23 2019 daemon.info dnsmasq-dhcp[1949]: read /etc/ethers - 0 addresses
Tue Feb 26 18:30:24 2019 daemon.warn odhcpd[977]: DHCPV6 REQUEST IA_NA from 0001000122620f0a10e7c678be5c on br-lan: ok fdd3:f011:9bb8::923/128
Tue Feb 26 18:30:24 2019 daemon.info dnsmasq[1949]: read /etc/hosts - 4 addresses
Tue Feb 26 18:30:24 2019 daemon.info dnsmasq[1949]: read /tmp/hosts/odhcpd - 3 addresses
Tue Feb 26 18:30:24 2019 daemon.info dnsmasq[1949]: read /tmp/hosts/dhcp.cfg01411c - 2 addresses
Tue Feb 26 18:30:24 2019 daemon.info dnsmasq-dhcp[1949]: read /etc/ethers - 0 addresses
Tue Feb 26 18:32:08 2019 user.info mwan3track[2408]: Check (ping) failed for target "8.8.4.4" on interface wan (eth0.2)
Tue Feb 26 18:33:19 2019 user.info mwan3track[2408]: Check (ping) failed for target "8.8.4.4" on interface wan (eth0.2)
Tue Feb 26 18:33:25 2019 user.info mwan3track[2075]: Check (ping) failed for target "208.67.220.222" on interface wanb (eth0.3)
Tue Feb 26 18:33:27 2019 user.info mwan3track[2075]: Check (ping) failed for target "1.1.1.1" on interface wanb (eth0.3)
Tue Feb 26 18:33:29 2019 user.info mwan3track[2075]: Check (ping) failed for target "1.0.0.1" on interface wanb (eth0.3)
Tue Feb 26 18:33:29 2019 user.info mwan3track[2408]: Check (ping) failed for target "8.8.4.4" on interface wan (eth0.2)
Tue Feb 26 18:33:31 2019 user.info mwan3track[2408]: Check (ping) failed for target "8.8.8.8" on interface wan (eth0.2)
Tue Feb 26 18:33:34 2019 user.info mwan3track[2075]: Lost 3 ping(s) on interface wanb (eth0.3)
Tue Feb 26 18:34:15 2019 daemon.info hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.11: authenticated
Tue Feb 26 18:34:15 2019 daemon.info hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.11: associated (aid 2)
Tue Feb 26 18:34:15 2019 daemon.notice hostapd: wlan1: AP-STA-CONNECTED xx:xx:xx:xx:xx:xx
Tue Feb 26 18:34:15 2019 daemon.info hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: pairwise key handshake completed (RSN)
Tue Feb 26 18:34:15 2019 daemon.info dnsmasq-dhcp[1949]: DHCPREQUEST(br-lan) 192.168.0.238 xx:xx:xx:xx:xx:xx
Tue Feb 26 18:34:15 2019 daemon.warn dnsmasq-dhcp[1949]: Ignoring domain dir.svc.accenture.com for DHCP host name aaaaaaa
Tue Feb 26 18:34:15 2019 daemon.info dnsmasq-dhcp[1949]: DHCPACK(br-lan) 192.168.0.238 xx:xx:xx:xx:xx:xx aaaaaaa
Tue Feb 26 18:34:16 2019 daemon.warn odhcpd[977]: DHCPV6 CONFIRM IA_NA from 0001000122620f0a10e7c678be5c on br-lan: not on-link fdd3:f011:9bb8::923/128
Tue Feb 26 18:34:17 2019 daemon.warn odhcpd[977]: DHCPV6 SOLICIT IA_NA from 0001000122620f0a10e7c678be5c on br-lan: ok fdd3:f011:9bb8::923/128
Tue Feb 26 18:34:17 2019 daemon.info dnsmasq[1949]: read /etc/hosts - 4 addresses
Tue Feb 26 18:34:17 2019 daemon.info dnsmasq[1949]: read /tmp/hosts/odhcpd - 2 addresses
Tue Feb 26 18:34:17 2019 daemon.info dnsmasq[1949]: read /tmp/hosts/dhcp.cfg01411c - 2 addresses
Tue Feb 26 18:34:17 2019 daemon.info dnsmasq-dhcp[1949]: read /etc/ethers - 0 addresses
Tue Feb 26 18:34:18 2019 daemon.warn odhcpd[977]: DHCPV6 REQUEST IA_NA from 0001000122620f0a10e7c678be5c on br-lan: ok fdd3:f011:9bb8::923/128
Tue Feb 26 18:34:18 2019 daemon.info dnsmasq[1949]: read /etc/hosts - 4 addresses
Tue Feb 26 18:34:18 2019 daemon.info dnsmasq[1949]: read /tmp/hosts/odhcpd - 3 addresses
Tue Feb 26 18:34:18 2019 daemon.info dnsmasq[1949]: read /tmp/hosts/dhcp.cfg01411c - 2 addresses
Tue Feb 26 18:34:18 2019 daemon.info dnsmasq-dhcp[1949]: read /etc/ethers - 0 addresses
Tue Feb 26 18:35:13 2019 daemon.info hostapd: wlan0: STA xx:xx:xx:xx:xx:xxIEEE 802.11: authenticated
Tue Feb 26 18:35:13 2019 daemon.info hostapd: wlan0: STA xx:xx:xx:xx:xx:xxIEEE 802.11: associated (aid 1)
Tue Feb 26 18:35:13 2019 daemon.notice hostapd: wlan0: AP-STA-CONNECTED xx:xx:xx:xx:xx:xx
Tue Feb 26 18:35:13 2019 daemon.info hostapd: wlan0: STA xx:xx:xx:xx:xx:xxWPA: pairwise key handshake completed (RSN)
Tue Feb 26 18:35:13 2019 daemon.info dnsmasq-dhcp[1949]: DHCPREQUEST(br-lan) 192.168.0.203 xx:xx:xx:xx:xx:xx
Tue Feb 26 18:35:13 2019 daemon.info dnsmasq-dhcp[1949]: DHCPACK(br-lan) 192.168.0.203 xx:xx:xx:xx:xx:xxraspberrypi
Tue Feb 26 18:35:16 2019 daemon.warn odhcpd[977]: DHCPV6 CONFIRM IA_NA from 00010001237d960b00026f8e201c on br-lan: not on-link fdd3:f011:9bb8::a21/128
Tue Feb 26 18:35:16 2019 daemon.warn odhcpd[977]: DHCPV6 SOLICIT IA_NA from 00010001237d960b00026f8e201c on br-lan: ok fdd3:f011:9bb8::a21/128
Tue Feb 26 18:35:16 2019 daemon.warn odhcpd[977]: DHCPV6 REQUEST IA_NA from 00010001237d960b00026f8e201c on br-lan: ok fdd3:f011:9bb8::a21/128
Tue Feb 26 18:35:16 2019 daemon.info dnsmasq[1949]: read /etc/hosts - 4 addresses
Tue Feb 26 18:35:16 2019 daemon.info dnsmasq[1949]: read /tmp/hosts/odhcpd - 3 addresses
Tue Feb 26 18:35:16 2019 daemon.info dnsmasq[1949]: read /tmp/hosts/dhcp.cfg01411c - 2 addresses
Tue Feb 26 18:35:16 2019 daemon.info dnsmasq-dhcp[1949]: read /etc/ethers - 0 addresses
Tue Feb 26 18:35:16 2019 daemon.info dnsmasq[1949]: read /etc/hosts - 4 addresses
Tue Feb 26 18:35:16 2019 daemon.info dnsmasq[1949]: read /tmp/hosts/odhcpd - 3 addresses
Tue Feb 26 18:35:16 2019 daemon.info dnsmasq[1949]: read /tmp/hosts/dhcp.cfg01411c - 2 addresses
Tue Feb 26 18:35:16 2019 daemon.info dnsmasq-dhcp[1949]: read /etc/ethers - 0 addresses
Tue Feb 26 18:43:02 2019 user.info mwan3track[2075]: Check (ping) failed for target "8.8.8.8" on interface wanb (eth0.3)
Tue Feb 26 18:49:10 2019 daemon.info dnsmasq-dhcp[1949]: DHCPREQUEST(br-lan) 192.168.0.202 xx:xx:xx:xx:xx:xx
Tue Feb 26 18:49:10 2019 daemon.info dnsmasq-dhcp[1949]: DHCPACK(br-lan) 192.168.0.202 xx:xx:xx:xx:xx:xx aaaaaaa
Tue Feb 26 18:49:10 2019 daemon.info dnsmasq-dhcp[1949]: DHCPREQUEST(br-lan) 192.168.0.202 xx:xx:xx:xx:xx:xx
Tue Feb 26 18:49:10 2019 daemon.info dnsmasq-dhcp[1949]: DHCPACK(br-lan) 192.168.0.202 xx:xx:xx:xx:xx:xx aaaaaaa
Tue Feb 26 18:49:37 2019 daemon.info hostapd: wlan0: STA xx:xx:xx:xx:xx:xx IEEE 802.11: authenticated
Tue Feb 26 18:49:37 2019 daemon.info hostapd: wlan0: STA xx:xx:xx:xx:xx:xx IEEE 802.11: associated (aid 8)
Tue Feb 26 18:49:37 2019 daemon.notice hostapd: wlan0: AP-STA-CONNECTED xx:xx:xx:xx:xx:xx
Tue Feb 26 18:49:37 2019 daemon.info hostapd: wlan0: STA xx:xx:xx:xx:xx:xx WPA: pairwise key handshake completed (RSN)
Tue Feb 26 18:57:58 2019 daemon.info hostapd: wlan0: STA xx:xx:xx:xx:xx:xx IEEE 802.11: authenticated
Tue Feb 26 18:57:58 2019 daemon.info hostapd: wlan0: STA xx:xx:xx:xx:xx:xx IEEE 802.11: associated (aid 6)
Tue Feb 26 18:57:58 2019 daemon.notice hostapd: wlan0: AP-STA-CONNECTED xx:xx:xx:xx:xx:xx
Tue Feb 26 18:57:58 2019 daemon.info hostapd: wlan0: STA xx:xx:xx:xx:xx:xx WPA: pairwise key handshake completed (RSN)
Tue Feb 26 18:57:58 2019 daemon.info dnsmasq-dhcp[1949]: DHCPREQUEST(br-lan) 192.168.0.170 xx:xx:xx:xx:xx:xx
Tue Feb 26 18:57:58 2019 daemon.info dnsmasq-dhcp[1949]: DHCPACK(br-lan) 192.168.0.170 xx:xx:xx:xx:xx:xx aaaaaaa
Tue Feb 26 18:57:59 2019 daemon.warn odhcpd[977]: DHCPV6 CONFIRM IA_NA from 000100012361253b00809b0033d1 on br-lan: not on-link fdd3:f011:9bb8::59b/128
Tue Feb 26 18:57:59 2019 daemon.warn odhcpd[977]: DHCPV6 SOLICIT IA_NA from 000100012361253b00809b0033d1 on br-lan: ok fdd3:f011:9bb8::59b/128
Tue Feb 26 18:57:59 2019 daemon.info dnsmasq[1949]: read /etc/hosts - 4 addresses
Tue Feb 26 18:57:59 2019 daemon.info dnsmasq[1949]: read /tmp/hosts/odhcpd - 2 addresses
Tue Feb 26 18:57:59 2019 daemon.info dnsmasq[1949]: read /tmp/hosts/dhcp.cfg01411c - 2 addresses
Tue Feb 26 18:57:59 2019 daemon.info dnsmasq-dhcp[1949]: read /etc/ethers - 0 addresses
Tue Feb 26 18:58:00 2019 daemon.warn odhcpd[977]: DHCPV6 REQUEST IA_NA from 000100012361253b00809b0033d1 on br-lan: ok fdd3:f011:9bb8::59b/128
Tue Feb 26 18:58:00 2019 daemon.warn odhcpd[977]: DHCPV6 RENEW IA_NA from 000300012cdd95e37455 on br-lan: no binding
Tue Feb 26 18:58:00 2019 daemon.warn odhcpd[977]: DHCPV6 RENEW IA_PD from 000300012cdd95e37455 on br-lan: no binding
Tue Feb 26 18:58:00 2019 daemon.info dnsmasq[1949]: read /etc/hosts - 4 addresses
Tue Feb 26 18:58:00 2019 daemon.info dnsmasq[1949]: read /tmp/hosts/odhcpd - 3 addresses
Tue Feb 26 18:58:00 2019 daemon.info dnsmasq[1949]: read /tmp/hosts/dhcp.cfg01411c - 2 addresses
Tue Feb 26 18:58:00 2019 daemon.info dnsmasq-dhcp[1949]: read /etc/ethers - 0 addresses
Tue Feb 26 18:58:01 2019 daemon.warn odhcpd[977]: DHCPV6 REQUEST IA_NA from 000300012cdd95e37455 on br-lan: ok fdd3:f011:9bb8::11d/128
Tue Feb 26 18:58:01 2019 daemon.warn odhcpd[977]: DHCPV6 REQUEST IA_PD from 000300012cdd95e37455 on br-lan: ok fdd3:f011:9bb8:4::/62
the only information about the problem that I have found is this:
http://www.zron.fr/tools/projets/freetools/Linux/openwrt/wifi%20disconnects.txt
but not work, the device continues to disconnect.