Hi, I have been using Archer C5 v1 in a dual stack configuration in my local network. After updating to OpenWrt 19.07.4 I have noticed, that IPV6 is not working anymore.
In Luci,the WAN6 interface shows: Error: Network device is not present
/etc/config# cat network
config interface 'loopback'
option ifname 'lo'
option proto 'static'
option ipaddr '127.0.0.1'
option netmask '255.0.0.0'
config globals 'globals'
option ula_prefix 'fd0a:a81e:bf99::/48'
config interface 'lan'
option type 'bridge'
option ifname 'eth1.1'
option proto 'static'
option ipaddr '192.168.1.1'
option netmask '255.255.255.0'
option ip6assign '60'
option gateway '192.168.178.1'
list dns '80.241.218.68'
config interface 'wan'
option ifname 'eth0.2'
option proto 'static'
option netmask '255.255.255.0'
option ipaddr '192.168.178.11'
option gateway '192.168.178.1'
option broadcast '192.168.178.255'
option type 'bridge'
config interface 'wan6'
option ifname 'eth0.2'
option proto 'dhcpv6'
option type 'bridge'
option reqprefix 'auto'
option reqaddress 'try'
config switch
option name 'switch0'
option reset '1'
option enable_vlan '1'
config switch_vlan
option device 'switch0'
option vlan '1'
option ports '2 3 4 5 0t'
config switch_vlan
option device 'switch0'
option vlan '2'
option ports '1 6t'
Kernel log
[ 0.000000] Linux version 4.14.195 (builder@buildhost) (gcc version 7.5.0 (OpenWrt GCC 7.5.0 r11208-ce6496d796)) #0 Sun Sep 6 16:19:39 2020
[ 0.000000] bootconsole [early0] enabled
[ 0.000000] CPU0 revision is: 00019750 (MIPS 74Kc)
[ 0.000000] MIPS: machine is TP-Link Archer C5 v1
[ 0.000000] SoC: Qualcomm Atheros QCA9558 ver 1 rev 0
[ 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 804fbf70, node_mem_map 81008c20
[ 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] random: get_random_bytes called from 0x804ff740 with crng_init=0
[ 0.000000] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768
[ 0.000000] pcpu-alloc: [0] 0
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 32512
[ 0.000000] Kernel command line: console=ttyS0,115200n8 rootfstype=squashfs,jffs2
[ 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: 123300K/131072K available (4031K kernel code, 160K rwdata, 532K rodata, 1220K init, 212K bss, 7772K 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] CPU clock: 720.000 MHz
[ 0.000000] clocksource: MIPS: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 5309056796 ns
[ 0.000008] sched_clock: 32 bits at 360MHz, resolution 2ns, wraps every 5965232126ns
[ 0.008304] Calibrating delay loop... 358.80 BogoMIPS (lpj=1794048)
[ 0.074993] pid_max: default: 32768 minimum: 301
[ 0.080073] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.087111] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.098225] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.108718] futex hash table entries: 256 (order: -1, 3072 bytes)
[ 0.115265] pinctrl core: initialized pinctrl subsystem
[ 0.122677] NET: Registered protocol family 16
[ 0.130492] PCI host bridge /ahb/pcie-controller@18250000 ranges:
[ 0.137029] MEM 0x0000000012000000..0x0000000013ffffff
[ 0.142582] IO 0x0000000000000001..0x0000000000000001
[ 0.162056] PCI host bridge to bus 0000:00
[ 0.166421] pci_bus 0000:00: root bus resource [mem 0x12000000-0x13ffffff]
[ 0.173771] pci_bus 0000:00: root bus resource [io 0x0001]
[ 0.179694] pci_bus 0000:00: root bus resource [??? 0x00000000 flags 0x0]
[ 0.186925] pci_bus 0000:00: No busn resource found for root bus, will use [bus 00-ff]
[ 0.195377] pci 0000:00:00.0: [168c:003c] type 00 class 0x028000
[ 0.195431] pci 0000:00:00.0: reg 0x10: [mem 0x00000000-0x001fffff 64bit]
[ 0.195485] pci 0000:00:00.0: reg 0x30: [mem 0x00000000-0x0000ffff pref]
[ 0.195559] pci 0000:00:00.0: supports D1 D2
[ 0.195732] pci_bus 0000:00: busn_res: [bus 00-ff] end is updated to 00
[ 0.195754] pci 0000:00:00.0: BAR 0: assigned [mem 0x12000000-0x121fffff 64bit]
[ 0.203577] pci 0000:00:00.0: BAR 6: assigned [mem 0x12200000-0x1220ffff pref]
[ 0.213617] clocksource: Switched to clocksource MIPS
[ 0.219817] NET: Registered protocol family 2
[ 0.225199] TCP established hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.232620] TCP bind hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.239431] TCP: Hash tables configured (established 1024 bind 1024)
[ 0.246315] UDP hash table entries: 256 (order: 0, 4096 bytes)
[ 0.252543] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
[ 0.259449] NET: Registered protocol family 1
[ 0.264148] PCI: CLS 0 bytes, default 32
[ 0.266501] Crashlog allocated RAM at address 0x3f00000
[ 0.273068] workingset: timestamp_bits=30 max_order=15 bucket_order=0
[ 0.284130] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[ 0.290335] jffs2: version 2.2 (NAND) (SUMMARY) (LZMA) (RTIME) (CMODE_PRIORITY) (c) 2001-2006 Red Hat, Inc.
[ 0.308416] io scheduler noop registered
[ 0.312587] io scheduler deadline registered (default)
[ 0.318376] ar7200-usb-phy 18030000.usb-phy0: phy reset is missing
[ 0.325035] ar7200-usb-phy 18030010.usb-phy1: phy reset is missing
[ 0.333205] pinctrl-single 1804002c.pinmux: 544 pins at pa b804002c size 68
[ 0.341148] gpio-export gpio-export: 2 gpio(s) exported
[ 0.347470] Serial: 8250/16550 driver, 16 ports, IRQ sharing enabled
[ 0.356257] console [ttyS0] disabled
[ 0.360088] 18020000.uart: ttyS0 at MMIO 0x18020000 (irq = 9, base_baud = 2500000) is a 16550A
[ 0.369303] console [ttyS0] enabled
[ 0.376733] bootconsole [early0] disabled
[ 0.402582] m25p80 spi0.0: w25q128 (16384 Kbytes)
[ 0.407431] 3 fixed-partitions partitions found on MTD device spi0.0
[ 0.413888] Creating 3 MTD partitions on "spi0.0":
[ 0.418752] 0x000000000000-0x000000020000 : "u-boot"
[ 0.424462] 0x000000020000-0x000000ff0000 : "firmware"
[ 0.430627] 2 tplink-fw partitions found on MTD device firmware
[ 0.436678] Creating 2 MTD partitions on "firmware":
[ 0.441719] 0x000000000000-0x000000186126 : "kernel"
[ 0.447355] 0x000000186128-0x000000fd0000 : "rootfs"
[ 0.452960] mtd: device 3 (rootfs) set to be root filesystem
[ 0.458783] 1 squashfs-split partitions found on MTD device rootfs
[ 0.465084] 0x000000440000-0x000000fd0000 : "rootfs_data"
[ 0.471154] 0x000000ff0000-0x000001000000 : "art"
[ 0.477518] libphy: Fixed MDIO Bus: probed
[ 0.825318] libphy: ag71xx_mdio: probed
[ 0.831867] switch0: Atheros AR8327 rev. 4 switch registered on mdio-bus.0
[ 1.482961] ag71xx 19000000.eth: connected to PHY at mdio-bus.0:00 [uid=004dd034, driver=Atheros AR8216/AR8236/AR8316]
[ 1.494357] eth0: Atheros AG71xx at 0xb9000000, irq 4, mode: rgmii
[ 1.835206] ag71xx 1a000000.eth: connected to PHY at fixed-0:00 [uid=00000000, driver=Generic PHY]
[ 1.844831] eth1: Atheros AG71xx at 0xba000000, irq 5, mode: sgmii
[ 1.853268] NET: Registered protocol family 10
[ 1.862198] Segment Routing with IPv6
[ 1.866055] NET: Registered protocol family 17
[ 1.870599] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[ 1.883763] 8021q: 802.1Q VLAN Support v1.8
[ 1.890247] hctosys: unable to open rtc device (rtc0)
[ 1.901580] VFS: Mounted root (squashfs filesystem) readonly on device 31:3.
[ 1.913157] Freeing unused kernel memory: 1220K
[ 1.917785] This architecture does not have kernel memory protection.
[ 2.583636] random: fast init done
[ 2.627530] init: Console is alive
[ 2.631155] init: - watchdog -
[ 3.816462] kmodloader: loading kernel modules from /etc/modules-boot.d/*
[ 4.082781] usbcore: registered new interface driver usbfs
[ 4.088463] usbcore: registered new interface driver hub
[ 4.093968] usbcore: registered new device driver usb
[ 4.104215] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 4.112165] ehci-platform: EHCI generic platform driver
[ 4.117731] ehci-platform 1b000000.usb: EHCI Host Controller
[ 4.123517] ehci-platform 1b000000.usb: new USB bus registered, assigned bus number 1
[ 4.131556] ehci-platform 1b000000.usb: irq 14, io mem 0x1b000000
[ 4.163696] ehci-platform 1b000000.usb: USB 2.0 started, EHCI 1.00
[ 4.170660] hub 1-0:1.0: USB hub found
[ 4.174793] hub 1-0:1.0: 1 port detected
[ 4.179280] ehci-platform 1b400000.usb: EHCI Host Controller
[ 4.185097] ehci-platform 1b400000.usb: new USB bus registered, assigned bus number 2
[ 4.193120] ehci-platform 1b400000.usb: irq 15, io mem 0x1b400000
[ 4.223646] ehci-platform 1b400000.usb: USB 2.0 started, EHCI 1.00
[ 4.230614] hub 2-0:1.0: USB hub found
[ 4.234760] hub 2-0:1.0: 1 port detected
[ 4.239713] kmodloader: done loading kernel modules from /etc/modules-boot.d/*
[ 4.257432] init: - preinit -
[ 5.418315] random: jshn: uninitialized urandom read (4 bytes read)
[ 5.666350] random: jshn: uninitialized urandom read (4 bytes read)
[ 5.832456] random: jshn: uninitialized urandom read (4 bytes read)
[ 7.096100] IPv6: ADDRCONF(NETDEV_UP): eth1: link is not ready
[ 7.102077] IPv6: ADDRCONF(NETDEV_UP): eth1.1: link is not ready
[ 7.143227] urandom_read: 4 callbacks suppressed
[ 7.143234] random: procd: uninitialized urandom read (4 bytes read)
[ 8.114751] eth1: link up (1000Mbps/Full duplex)
[ 8.119457] IPv6: ADDRCONF(NETDEV_CHANGE): eth1: link becomes ready
[ 8.126131] IPv6: ADDRCONF(NETDEV_CHANGE): eth1.1: link becomes ready
[ 10.398970] jffs2: notice: (489) jffs2_build_xattr_subsystem: complete building xattr subsystem, 8 of xdatum (3 unchecked, 5 orphan) and 55 of xref (5 dead, 0 orphan) found.
[ 10.417167] mount_root: switching to jffs2 overlay
[ 10.441874] overlayfs: upper fs does not support tmpfile.
[ 10.456814] urandom-seed: Seeding with /etc/urandom.seed
[ 10.563805] eth1: link down
[ 10.584882] procd: - early -
[ 10.587887] procd: - watchdog -
[ 11.254378] procd: - watchdog -
[ 11.257816] procd: - ubus -
[ 11.334158] random: ubusd: uninitialized urandom read (4 bytes read)
[ 11.342396] random: ubusd: uninitialized urandom read (4 bytes read)
[ 11.350078] procd: - init -
[ 12.204081] kmodloader: loading kernel modules from /etc/modules.d/*
[ 12.459253] ip6_tables: (C) 2000-2006 Netfilter Core Team
[ 12.482116] Loading modules backported from Linux version v4.19.137-0-gc076c79e03c6
[ 12.489929] Backport generated by backports.git v4.19.137-1-0-g60c3a249
[ 12.516513] ip_tables: (C) 2000-2006 Netfilter Core Team
[ 12.540449] nf_conntrack version 0.5.0 (2048 buckets, 8192 max)
[ 12.602464] urngd: v1.0.2 started.
[ 12.638175] xt_time: kernel timezone is -0000
[ 12.737991] PPP generic driver version 2.4.2
[ 12.754418] NET: Registered protocol family 24
[ 12.806313] ath10k 4.19 driver, optimized for CT firmware, probing pci device: 0x3c.
[ 12.824351] PCI: Enabling device 0000:00:00.0 (0000 -> 0002)
[ 12.830273] ath10k_pci 0000:00:00.0: pci irq legacy oper_irq_mode 1 irq_mode 0 reset_mode 0
[ 12.870880] random: crng init done
[ 13.144212] ath10k_pci 0000:00:00.0: Direct firmware load for ath10k/fwcfg-pci-0000:00:00.0.txt failed with error -2
[ 13.154924] ath10k_pci 0000:00:00.0: Falling back to user helper
[ 13.564316] firmware ath10k!fwcfg-pci-0000:00:00.0.txt: firmware_loading_store: map pages failed
[ 13.573464] ath10k_pci 0000:00:00.0: Direct firmware load for ath10k/pre-cal-pci-0000:00:00.0.bin failed with error -2
[ 13.584354] ath10k_pci 0000:00:00.0: Falling back to user helper
[ 13.948799] firmware ath10k!pre-cal-pci-0000:00:00.0.bin: firmware_loading_store: map pages failed
[ 13.960730] ath10k_pci 0000:00:00.0: Direct firmware load for ath10k/QCA988X/hw2.0/ct-firmware-5.bin failed with error -2
[ 13.971888] ath10k_pci 0000:00:00.0: Falling back to user helper
[ 14.402790] firmware ath10k!QCA988X!hw2.0!ct-firmware-5.bin: firmware_loading_store: map pages failed
[ 14.412415] ath10k_pci 0000:00:00.0: Direct firmware load for ath10k/QCA988X/hw2.0/ct-firmware-2.bin failed with error -2
[ 14.423568] ath10k_pci 0000:00:00.0: Falling back to user helper
[ 14.624596] firmware ath10k!QCA988X!hw2.0!ct-firmware-2.bin: firmware_loading_store: map pages failed
[ 14.634228] ath10k_pci 0000:00:00.0: Direct firmware load for ath10k/QCA988X/hw2.0/firmware-6.bin failed with error -2
[ 14.645117] ath10k_pci 0000:00:00.0: Falling back to user helper
[ 14.825913] firmware ath10k!QCA988X!hw2.0!firmware-6.bin: firmware_loading_store: map pages failed
[ 14.835285] ath10k_pci 0000:00:00.0: Direct firmware load for ath10k/QCA988X/hw2.0/firmware-5.bin failed with error -2
[ 14.846170] ath10k_pci 0000:00:00.0: Falling back to user helper
[ 15.029442] firmware ath10k!QCA988X!hw2.0!firmware-5.bin: firmware_loading_store: map pages failed
[ 15.038823] ath10k_pci 0000:00:00.0: Direct firmware load for ath10k/QCA988X/hw2.0/firmware-4.bin failed with error -2
[ 15.049706] ath10k_pci 0000:00:00.0: Falling back to user helper
[ 15.231488] firmware ath10k!QCA988X!hw2.0!firmware-4.bin: firmware_loading_store: map pages failed
[ 15.240859] ath10k_pci 0000:00:00.0: Direct firmware load for ath10k/QCA988X/hw2.0/firmware-3.bin failed with error -2
[ 15.251744] ath10k_pci 0000:00:00.0: Falling back to user helper
[ 15.462218] firmware ath10k!QCA988X!hw2.0!firmware-3.bin: firmware_loading_store: map pages failed
[ 15.475121] ath10k_pci 0000:00:00.0: qca988x hw2.0 target 0x4100016c chip_id 0x043202ff sub 0000:0000
[ 15.484526] ath10k_pci 0000:00:00.0: kconfig debug 0 debugfs 1 tracing 0 dfs 1 testmode 0
[ 15.496969] ath10k_pci 0000:00:00.0: firmware ver 10.1-ct-8x-__fW-022-538f0906 api 2 features wmi-10.x,has-wmi-mgmt-tx,mfp,txstatus-noack,wmi-10.x-CT,ratemask-CT,txrate-CT,get-temp-CT,tx-rc-CT,cust-stats-CT,retry-gt2-CT,txrate2-CT,beacon-cb-CT,wmi-block-ack-CT crc32 e1c91a74
[ 15.607643] ath10k_pci 0000:00:00.0: Direct firmware load for ath10k/QCA988X/hw2.0/board-2.bin failed with error -2
[ 15.618261] ath10k_pci 0000:00:00.0: Falling back to user helper
[ 15.735731] firmware ath10k!QCA988X!hw2.0!board-2.bin: firmware_loading_store: map pages failed
[ 15.745014] ath10k_pci 0000:00:00.0: board_file api 1 bmi_id N/A crc32 bebc7c08
[ 17.281658] ath10k_pci 0000:00:00.0: 10.1 wmi init: vdevs: 16 peers: 127 tid: 256
[ 17.299124] ath10k_pci 0000:00:00.0: wmi print 'P 128 V 8 T 410'
[ 17.305472] ath10k_pci 0000:00:00.0: wmi print 'msdu-desc: 1424 sw-crypt: 0 ct-sta: 0'
[ 17.313595] ath10k_pci 0000:00:00.0: wmi print 'alloc rem: 20984 iram: 25656'
[ 17.481367] ath10k_pci 0000:00:00.0: htt-ver 2.1 wmi-op 2 htt-op 2 cal file max-sta 128 raw 0 hwcrypto 1
[ 17.495641] ath10k_pci 0000:00:00.0: NOTE: Firmware DBGLOG output disabled in debug_mask: 0x10000000
[ 17.636508] ath: EEPROM regdomain: 0x0
[ 17.636514] ath: EEPROM indicates default country code should be used
[ 17.636517] ath: doing EEPROM country->regdmn map search
[ 17.636530] ath: country maps to regdmn code: 0x3a
[ 17.636535] ath: Country alpha2 being used: US
[ 17.636538] ath: Regpair used: 0x3a
[ 17.697892] ath: EEPROM regdomain: 0x0
[ 17.697899] ath: EEPROM indicates default country code should be used
[ 17.697902] ath: doing EEPROM country->regdmn map search
[ 17.697915] ath: country maps to regdmn code: 0x3a
[ 17.697920] ath: Country alpha2 being used: US
[ 17.697924] ath: Regpair used: 0x3a
[ 17.715495] ieee80211 phy1: Selected rate control algorithm 'minstrel_ht'
[ 17.717000] ieee80211 phy1: Atheros AR9550 Rev:0 mem=0xb8100000, irq=12
[ 17.814478] kmodloader: done loading kernel modules from /etc/modules.d/*
[ 31.595699] IPv6: ADDRCONF(NETDEV_UP): eth1: link is not ready
[ 31.602770] eth1: link up (1000Mbps/Full duplex)
[ 31.614870] IPv6: ADDRCONF(NETDEV_CHANGE): eth1: link becomes ready
[ 31.639195] br-lan: port 1(eth1.1) entered blocking state
[ 31.644831] br-lan: port 1(eth1.1) entered disabled state
[ 31.650548] device eth1.1 entered promiscuous mode
[ 31.655452] device eth1 entered promiscuous mode
[ 31.711160] br-lan: port 1(eth1.1) entered blocking state
[ 31.716682] br-lan: port 1(eth1.1) entered forwarding state
[ 31.722480] IPv6: ADDRCONF(NETDEV_UP): br-lan: link is not ready
[ 31.988307] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 32.024710] br-wan: port 1(eth0.2) entered blocking state
[ 32.030193] br-wan: port 1(eth0.2) entered disabled state
[ 32.035975] device eth0.2 entered promiscuous mode
[ 32.040839] device eth0 entered promiscuous mode
[ 32.127004] IPv6: ADDRCONF(NETDEV_UP): br-wan: link is not ready
[ 32.593935] IPv6: ADDRCONF(NETDEV_CHANGE): br-lan: link becomes ready
[ 33.075046] eth0: link up (1000Mbps/Full duplex)
[ 33.079806] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 33.153727] br-wan: port 1(eth0.2) entered blocking state
[ 33.159208] br-wan: port 1(eth0.2) entered forwarding state
[ 33.225260] IPv6: ADDRCONF(NETDEV_CHANGE): br-wan: link becomes ready
[ 34.132525] ath: EEPROM regdomain: 0x8114
[ 34.136633] ath: EEPROM indicates we should expect a country code
[ 34.142806] ath: doing EEPROM country->regdmn map search
[ 34.148216] ath: country maps to regdmn code: 0x37
[ 34.153077] ath: Country alpha2 being used: DE
[ 34.157600] ath: Regpair used: 0x37
[ 34.161138] ath: regdomain 0x8114 dynamically updated by user
[ 34.167053] ath: EEPROM regdomain: 0x8114
[ 34.171114] ath: EEPROM indicates we should expect a country code
[ 34.177316] ath: doing EEPROM country->regdmn map search
[ 34.182697] ath: country maps to regdmn code: 0x37
[ 34.187572] ath: Country alpha2 being used: DE
[ 34.192077] ath: Regpair used: 0x37
[ 34.195633] ath: regdomain 0x8114 dynamically updated by user
[ 39.070207] ath10k_pci 0000:00:00.0: 10.1 wmi init: vdevs: 16 peers: 127 tid: 256
[ 39.087704] ath10k_pci 0000:00:00.0: wmi print 'P 128 V 8 T 410'
[ 39.094070] ath10k_pci 0000:00:00.0: wmi print 'msdu-desc: 1424 sw-crypt: 0 ct-sta: 0'
[ 39.102194] ath10k_pci 0000:00:00.0: wmi print 'alloc rem: 20984 iram: 25656'
[ 39.335546] ath10k_pci 0000:00:00.0: pdev param 0 not supported by firmware
[ 39.408156] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 39.442261] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
[ 39.540125] br-lan: port 2(wlan0) entered blocking state
[ 39.545572] br-lan: port 2(wlan0) entered disabled state
[ 39.551205] device wlan0 entered promiscuous mode
[ 39.920236] br-lan: port 3(wlan1) entered blocking state
[ 39.925716] br-lan: port 3(wlan1) entered disabled state
[ 39.931357] device wlan1 entered promiscuous mode
[ 43.820549] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 43.827298] br-lan: port 2(wlan0) entered blocking state
[ 43.832709] br-lan: port 2(wlan0) entered forwarding state
[ 44.029556] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 44.036246] br-lan: port 3(wlan1) entered blocking state
[ 44.041654] br-lan: port 3(wlan1) entered forwarding state