Ubnt unifi AP with SNAPSHOT r17220-ae1c5d0d6a

Hi guys, I flashed my unifi ap with this file via tftp, everything went ok and I can enter the system via serial console. However ethernet port doesn't work.
logread looks like:

Wed Jul 28 03:55:21 2021 kern.notice kernel: [    0.000000] Linux version 5.4.134 (builder@buildhost) (gcc version 8.4.0 (Ope1
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.000000] printk: bootconsole [early0] enabled
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.000000] CPU0 revision is: 00019374 (MIPS 24Kc)
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.000000] MIPS: machine is Ubiquiti UniFi
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.000000] SoC: Atheros AR7240 rev 2
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.000000] Initrd not found or empty - disabling initrd
Wed Jul 28 03:55:21 2021 kern.warn kernel: [    0.000000] Primary instruction cache 64kB, VIPT, 4-way, linesize 32 bytes.
Wed Jul 28 03:55:21 2021 kern.warn kernel: [    0.000000] Primary data cache 32kB, 4-way, VIPT, cache aliases, linesize 32 bys
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.000000] Zone ranges:
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.000000]   Normal   [mem 0x0000000000000000-0x0000000003ffffff]
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.000000] Movable zone start for each node
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.000000] Early memory node ranges
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.000000]   node   0: [mem 0x0000000000000000-0x0000000003ffffff]
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x0000000003ffffff]
Wed Jul 28 03:55:21 2021 kern.debug kernel: [    0.000000] On node 0 totalpages: 16384
Wed Jul 28 03:55:21 2021 kern.debug kernel: [    0.000000]   Normal zone: 144 pages used for memmap
Wed Jul 28 03:55:21 2021 kern.debug kernel: [    0.000000]   Normal zone: 0 pages reserved
Wed Jul 28 03:55:21 2021 kern.debug kernel: [    0.000000]   Normal zone: 16384 pages, LIFO batch:3
Wed Jul 28 03:55:21 2021 kern.debug kernel: [    0.000000] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768
Wed Jul 28 03:55:21 2021 kern.debug kernel: [    0.000000] pcpu-alloc: [0] 0
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 16240
Wed Jul 28 03:55:21 2021 kern.notice kernel: [    0.000000] Kernel command line: console=ttyS0,115200 rootfstype=squashfs,jff2
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.000000] Dentry cache hash table entries: 8192 (order: 3, 32768 bytes, linea)
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.000000] Inode-cache hash table entries: 4096 (order: 2, 16384 bytes, linear)
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.000000] Writing ErrCtl register=00000000
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.000000] Readback ErrCtl register=00000000
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.000000] Memory: 56764K/65536K available (5268K kernel code, 191K rwdata, 12)
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.000000] NR_IRQS: 51
Wed Jul 28 03:55:21 2021 kern.notice kernel: [    0.000000] random: get_random_bytes called from start_kernel+0x358/0x54c wit0
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.000000] CPU clock: 400.000 MHz
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.000000] clocksource: MIPS: mask: 0xffffffff max_cycles: 0xffffffff, max_idls
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.000012] sched_clock: 32 bits at 200MHz, resolution 5ns, wraps every 1073741s
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.007929] Calibrating delay loop... 265.42 BogoMIPS (lpj=1327104)
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.094137] pid_max: default: 32768 minimum: 301
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.099004] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.106303] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, li)
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.120423] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_s
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.130299] futex hash table entries: 256 (order: -1, 3072 bytes, linear)
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.137244] pinctrl core: initialized pinctrl subsystem
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.146245] NET: Registered protocol family 16
Wed Jul 28 03:55:21 2021 kern.warn kernel: [    0.192367] workqueue: max_active 576 requested for napi_workq is out of range,2
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.207578] clocksource: Switched to clocksource MIPS
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.214122] thermal_sys: Registered thermal governor 'step_wise'
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.214649] NET: Registered protocol family 2
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.225275] IP idents hash table entries: 2048 (order: 2, 16384 bytes, linear)
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.233714] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 4096 by)
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.242163] TCP established hash table entries: 1024 (order: 0, 4096 bytes, lin)
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.249838] TCP bind hash table entries: 1024 (order: 0, 4096 bytes, linear)
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.256885] TCP: Hash tables configured (established 1024 bind 1024)
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.263462] UDP hash table entries: 256 (order: 0, 4096 bytes, linear)
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.270064] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes, linear)
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.277472] NET: Registered protocol family 1
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.281913] PCI: CLS 0 bytes, default 32
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.291576] workingset: timestamp_bits=14 max_order=14 bucket_order=0
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.309527] squashfs: version 4.0 (2009/01/31) Phillip Lougher
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.315340] jffs2: version 2.2 (NAND) (SUMMARY) (LZMA) (RTIME) (CMODE_PRIORITY).
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.344908] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251)
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.356018] pinctrl-single 18040028.pinmux: 64 pins, size 8
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.363065] Serial: 8250/16550 driver, 16 ports, IRQ sharing enabled
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.373166] printk: console [ttyS0] disabled
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.377498] 18020000.uart: ttyS0 at MMIO 0x18020000 (irq = 9, base_baud = 12500A
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.386274] printk: console [ttyS0] enabled
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.394690] printk: bootconsole [early0] disabled
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.428404] spi-nor spi0.0: s25fl064k (8192 Kbytes)
Wed Jul 28 03:55:21 2021 kern.notice kernel: [    0.433392] 6 fixed-partitions partitions found on MTD device spi0.0
Wed Jul 28 03:55:21 2021 kern.notice kernel: [    0.439826] Creating 6 MTD partitions on "spi0.0":
Wed Jul 28 03:55:21 2021 kern.notice kernel: [    0.444663] 0x000000000000-0x000000040000 : "u-boot"
Wed Jul 28 03:55:21 2021 kern.notice kernel: [    0.451168] 0x000000040000-0x000000050000 : "u-boot-env"
Wed Jul 28 03:55:21 2021 kern.notice kernel: [    0.457981] 0x000000050000-0x0000007a0000 : "firmware"
Wed Jul 28 03:55:21 2021 kern.notice kernel: [    0.468437] 2 uimage-fw partitions found on MTD device firmware
Wed Jul 28 03:55:21 2021 kern.notice kernel: [    0.474401] Creating 2 MTD partitions on "firmware":
Wed Jul 28 03:55:21 2021 kern.notice kernel: [    0.479471] 0x000000000000-0x000000220000 : "kernel"
Wed Jul 28 03:55:21 2021 kern.notice kernel: [    0.485802] 0x000000220000-0x000000750000 : "rootfs"
Wed Jul 28 03:55:21 2021 kern.notice kernel: [    0.492201] mtd: device 4 (rootfs) set to be root filesystem
Wed Jul 28 03:55:21 2021 kern.notice kernel: [    0.500577] 1 squashfs-split partitions found on MTD device rootfs
Wed Jul 28 03:55:21 2021 kern.notice kernel: [    0.506837] 0x0000004e0000-0x000000750000 : "rootfs_data"
Wed Jul 28 03:55:21 2021 kern.notice kernel: [    0.513761] 0x0000007a0000-0x0000007b0000 : "board_config"
Wed Jul 28 03:55:21 2021 kern.notice kernel: [    0.520776] 0x0000007b0000-0x0000007f0000 : "cfg"
Wed Jul 28 03:55:21 2021 kern.notice kernel: [    0.526881] 0x0000007f0000-0x000000800000 : "art"
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.536037] libphy: Fixed MDIO Bus: probed
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.878074] libphy: ag71xx_mdio: probed
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.882941] libphy: ar8xxx-mdio: probed
Wed Jul 28 03:55:21 2021 kern.info kernel: [    0.888402] switch0: Atheros AR724X/AR933X built-in rev. 0 switch registered on0
Wed Jul 28 03:55:21 2021 kern.info kernel: [    1.269120] ag71xx 19000000.eth: connected to PHY at mdio.0:1f:04 [uid=00000000]
Wed Jul 28 03:55:21 2021 kern.info kernel: [    1.279326] eth0: Atheros AG71xx at 0xb9000000, irq 4, mode: mii
Wed Jul 28 03:55:21 2021 kern.info kernel: [    1.285824] i2c /dev entries driver
Wed Jul 28 03:55:21 2021 kern.info kernel: [    1.292592] NET: Registered protocol family 10
Wed Jul 28 03:55:21 2021 kern.info kernel: [    1.304564] Segment Routing with IPv6
Wed Jul 28 03:55:21 2021 kern.info kernel: [    1.308515] NET: Registered protocol family 17
Wed Jul 28 03:55:21 2021 kern.info kernel: [    1.313085] bridge: filtering via arp/ip/ip6tables is no longer available by de.
Wed Jul 28 03:55:21 2021 kern.info kernel: [    1.326148] 8021q: 802.1Q VLAN Support v1.8
Wed Jul 28 03:55:21 2021 kern.info kernel: [    1.331708] PCI host bridge /ahb/apb/pcie-controller@180c0000 ranges:
Wed Jul 28 03:55:21 2021 kern.info kernel: [    1.338310]  MEM 0x0000000010000000..0x0000000013ffffff
Wed Jul 28 03:55:21 2021 kern.info kernel: [    1.343579]   IO 0x0000000000000000..0x0000000000000000
Wed Jul 28 03:55:21 2021 kern.info kernel: [    1.349122] PCI host bridge to bus 0000:00
Wed Jul 28 03:55:21 2021 kern.info kernel: [    1.353262] pci_bus 0000:00: root bus resource [mem 0x10000000-0x13ffffff]
Wed Jul 28 03:55:21 2021 kern.info kernel: [    1.360218] pci_bus 0000:00: root bus resource [io  0x0000]
Wed Jul 28 03:55:21 2021 kern.info kernel: [    1.365836] pci_bus 0000:00: root bus resource [??? 0x00000000 flags 0x0]
Wed Jul 28 03:55:21 2021 kern.info kernel: [    1.372677] pci_bus 0000:00: No busn resource found for root bus, will use [bus]
Wed Jul 28 03:55:21 2021 kern.info kernel: [    1.380719] pci 0000:00:00.0: [168c:002e] type 00 class 0x028000
Wed Jul 28 03:55:21 2021 kern.info kernel: [    1.386828] pci 0000:00:00.0: reg 0x10: [mem 0x00000000-0x0000ffff 64bit]
Wed Jul 28 03:55:21 2021 kern.info kernel: [    1.393852] pci 0000:00:00.0: supports D1
Wed Jul 28 03:55:21 2021 kern.info kernel: [    1.397905] pci 0000:00:00.0: PME# supported from D0 D1 D3hot
Wed Jul 28 03:55:21 2021 kern.info kernel: [    1.405303] pci_bus 0000:00: busn_res: [bus 00-ff] end is updated to 00
Wed Jul 28 03:55:21 2021 kern.info kernel: [    1.412032] pci 0000:00:00.0: BAR 0: assigned [mem 0x10000000-0x1000ffff 64bit]
Wed Jul 28 03:55:21 2021 kern.info kernel: [    1.420807] hctosys: unable to open rtc device (rtc0)
Wed Jul 28 03:55:21 2021 kern.info kernel: [    1.438737] VFS: Mounted root (squashfs filesystem) readonly on device 31:4.
Wed Jul 28 03:55:21 2021 kern.info kernel: [    1.455621] Freeing unused kernel memory: 1204K
Wed Jul 28 03:55:21 2021 kern.warn kernel: [    1.460216] This architecture does not have kernel memory protection.
Wed Jul 28 03:55:21 2021 kern.info kernel: [    1.466690] Run /sbin/init as init process
Wed Jul 28 03:55:21 2021 kern.notice kernel: [    2.547593] random: fast init done
Wed Jul 28 03:55:21 2021 user.info kernel: [    2.723094] init: Console is alive
Wed Jul 28 03:55:21 2021 user.info kernel: [    2.726848] init: - watchdog -
Wed Jul 28 03:55:21 2021 user.info kernel: [    2.730241] init: Watchdog has previously reset the system
Wed Jul 28 03:55:21 2021 user.info kernel: [    4.936059] kmodloader: loading kernel modules from /etc/modules-boot.d/*
Wed Jul 28 03:55:21 2021 kern.info kernel: [    5.343158] usbcore: registered new interface driver usbfs
Wed Jul 28 03:55:21 2021 kern.info kernel: [    5.348877] usbcore: registered new interface driver hub
Wed Jul 28 03:55:21 2021 kern.info kernel: [    5.354370] usbcore: registered new device driver usb
Wed Jul 28 03:55:21 2021 kern.info kernel: [    5.369188] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
Wed Jul 28 03:55:21 2021 kern.info kernel: [    5.377993] ehci-fsl: Freescale EHCI Host controller driver
Wed Jul 28 03:55:21 2021 kern.info kernel: [    5.385773] ehci-platform: EHCI generic platform driver
Wed Jul 28 03:55:21 2021 user.info kernel: [    5.394530] kmodloader: done loading kernel modules from /etc/modules-boot.d/*
Wed Jul 28 03:55:21 2021 user.info kernel: [    5.412448] init: - preinit -
Wed Jul 28 03:55:21 2021 kern.notice kernel: [    7.238626] random: jshn: uninitialized urandom read (4 bytes read)
Wed Jul 28 03:55:21 2021 kern.notice kernel: [    7.440709] random: jshn: uninitialized urandom read (4 bytes read)
Wed Jul 28 03:55:21 2021 kern.notice kernel: [    7.502198] random: jshn: uninitialized urandom read (4 bytes read)
Wed Jul 28 03:55:21 2021 kern.notice kernel: [   12.157065] jffs2: notice: (563) jffs2_build_xattr_subsystem: complete buildi.
Wed Jul 28 03:55:21 2021 user.info kernel: [   12.175019] mount_root: overlay filesystem has not been fully initialized yet
Wed Jul 28 03:55:21 2021 user.info kernel: [   12.183391] mount_root: switching to jffs2 overlay
Wed Jul 28 03:55:21 2021 kern.warn kernel: [   12.192074] overlayfs: upper fs does not support tmpfile.
Wed Jul 28 03:55:21 2021 user.warn kernel: [   12.202862] urandom-seed: Seed file not found (/etc/urandom.seed)
Wed Jul 28 03:55:21 2021 user.info kernel: [   12.490005] procd: - early -
Wed Jul 28 03:55:21 2021 user.info kernel: [   12.493055] procd: - watchdog -
Wed Jul 28 03:55:21 2021 user.info kernel: [   12.496365] procd: Watchdog has previously reset the system
Wed Jul 28 03:55:21 2021 user.info kernel: [   13.211400] procd: - watchdog -
Wed Jul 28 03:55:21 2021 user.info kernel: [   13.214725] procd: Watchdog has previously reset the system
Wed Jul 28 03:55:21 2021 user.info kernel: [   13.376411] procd: - ubus -
Wed Jul 28 03:55:21 2021 kern.warn kernel: [   13.544371] urandom_read: 5 callbacks suppressed
Wed Jul 28 03:55:21 2021 kern.notice kernel: [   13.544382] random: ubusd: uninitialized urandom read (4 bytes read)
Wed Jul 28 03:55:21 2021 kern.notice kernel: [   13.605693] random: ubusd: uninitialized urandom read (4 bytes read)
Wed Jul 28 03:55:21 2021 user.info kernel: [   13.616947] procd: - init -
Wed Jul 28 03:55:21 2021 user.info kernel: [   15.026417] kmodloader: loading kernel modules from /etc/modules.d/*
Wed Jul 28 03:55:21 2021 kern.info kernel: [   15.691761] Loading modules backported from Linux version v5.10.42-0-g65859eca4f
Wed Jul 28 03:55:21 2021 kern.info kernel: [   15.699463] Backport generated by backports.git v5.10.42-1-0-gbee5c545
Wed Jul 28 03:55:21 2021 kern.info kernel: [   15.794810] xt_time: kernel timezone is -0000
Wed Jul 28 03:55:21 2021 user.info kernel: [   15.896796] urngd: v1.0.2 started.
Wed Jul 28 03:55:21 2021 kern.info kernel: [   16.011822] PPP generic driver version 2.4.2
Wed Jul 28 03:55:21 2021 kern.info kernel: [   16.029510] NET: Registered protocol family 24
Wed Jul 28 03:55:21 2021 kern.warn kernel: [   16.170029] ath9k 0000:00:00.0: Direct firmware load for ath9k-eeprom-pci-0000:2
Wed Jul 28 03:55:21 2021 kern.warn kernel: [   16.180269] ath9k 0000:00:00.0: Falling back to sysfs fallback for: ath9k-eepron
Wed Jul 28 03:55:21 2021 kern.notice kernel: [   16.565754] random: crng init done
Wed Jul 28 03:55:21 2021 kern.info kernel: [   17.083101] ath: phy0: Ignoring endianness difference in EEPROM magic bytes.
Wed Jul 28 03:55:21 2021 kern.debug kernel: [   17.091775] ath: EEPROM regdomain sanitized
Wed Jul 28 03:55:21 2021 kern.debug kernel: [   17.091785] ath: EEPROM regdomain: 0x64
Wed Jul 28 03:55:21 2021 kern.debug kernel: [   17.091790] ath: EEPROM indicates we should expect a direct regpair map
Wed Jul 28 03:55:21 2021 kern.debug kernel: [   17.091817] ath: Country alpha2 being used: 00
Wed Jul 28 03:55:21 2021 kern.debug kernel: [   17.091822] ath: Regpair used: 0x64
Wed Jul 28 03:55:21 2021 kern.debug kernel: [   17.108051] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht'
Wed Jul 28 03:55:21 2021 kern.info kernel: [   17.111270] ieee80211 phy0: Atheros AR9287 Rev:2 mem=0xb0000000, irq=13
Wed Jul 28 03:55:21 2021 user.info kernel: [   17.198257] kmodloader: done loading kernel modules from /etc/modules.d/*
Wed Jul 28 03:55:23 2021 user.notice dnsmasq: DNS rebinding protection is active, will discard upstream RFC1918 responses!
Wed Jul 28 03:55:23 2021 user.notice dnsmasq: Allowing 127.0.0.0/8 responses
Wed Jul 28 03:55:24 2021 daemon.info dnsmasq[1243]: Connected to system UBus
Wed Jul 28 03:55:24 2021 daemon.info dnsmasq[1243]: started, version 2.85 cachesize 150
Wed Jul 28 03:55:24 2021 daemon.info dnsmasq[1243]: DNS service limited to local subnets
Wed Jul 28 03:55:24 2021 daemon.info dnsmasq[1243]: compile time options: IPv6 GNU-getopt no-DBus UBus no-i18n no-IDN DHCP noe
Wed Jul 28 03:55:24 2021 daemon.info dnsmasq[1243]: UBus support enabled: connected to system bus
Wed Jul 28 03:55:24 2021 daemon.info dnsmasq[1243]: using only locally-known addresses for domain test
Wed Jul 28 03:55:24 2021 daemon.info dnsmasq[1243]: using only locally-known addresses for domain onion
Wed Jul 28 03:55:24 2021 daemon.info dnsmasq[1243]: using only locally-known addresses for domain localhost
Wed Jul 28 03:55:24 2021 daemon.info dnsmasq[1243]: using only locally-known addresses for domain local
Wed Jul 28 03:55:24 2021 daemon.info dnsmasq[1243]: using only locally-known addresses for domain invalid
Wed Jul 28 03:55:24 2021 daemon.info dnsmasq[1243]: using only locally-known addresses for domain bind
Wed Jul 28 03:55:24 2021 daemon.info dnsmasq[1243]: using only locally-known addresses for domain lan
Wed Jul 28 03:55:24 2021 daemon.warn dnsmasq[1243]: no servers found in /tmp/resolv.conf.d/resolv.conf.auto, will retry
Wed Jul 28 03:55:24 2021 daemon.info dnsmasq[1243]: read /etc/hosts - 4 addresses
Wed Jul 28 03:55:24 2021 daemon.info dnsmasq[1243]: read /tmp/hosts/dhcp.cfg01411c - 0 addresses
Wed Jul 28 03:55:41 2021 authpriv.info dropbear[1309]: Not backgrounding
Wed Jul 28 03:55:44 2021 daemon.notice wpa_supplicant[1408]: Successfully initialized wpa_supplicant
Wed Jul 28 03:55:45 2021 user.notice : Added device handler type: 8021ad
Wed Jul 28 03:55:45 2021 user.notice : Added device handler type: 8021q
Wed Jul 28 03:55:45 2021 user.notice : Added device handler type: macvlan
Wed Jul 28 03:55:45 2021 user.notice : Added device handler type: veth
Wed Jul 28 03:55:45 2021 user.notice : Added device handler type: bridge
Wed Jul 28 03:55:45 2021 user.notice : Added device handler type: Network device
Wed Jul 28 03:55:45 2021 user.notice : Added device handler type: tunnel
Wed Jul 28 03:55:52 2021 kern.info kernel: [   55.242966] br-lan: port 1(eth0) entered blocking state
Wed Jul 28 03:55:52 2021 kern.info kernel: [   55.248317] br-lan: port 1(eth0) entered disabled state
Wed Jul 28 03:55:52 2021 kern.info kernel: [   55.254039] device eth0 entered promiscuous mode
Wed Jul 28 03:55:52 2021 daemon.notice netifd: Interface 'lan' is enabled
Wed Jul 28 03:55:52 2021 daemon.notice netifd: Interface 'lan' is setting up now
Wed Jul 28 03:55:52 2021 daemon.notice netifd: Interface 'lan' is now up
Wed Jul 28 03:55:52 2021 daemon.notice netifd: Interface 'loopback' is enabled
Wed Jul 28 03:55:52 2021 daemon.notice netifd: Interface 'loopback' is setting up now
Wed Jul 28 03:55:52 2021 daemon.notice netifd: Interface 'loopback' is now up
Wed Jul 28 03:55:52 2021 daemon.notice netifd: Network device 'lo' link is up
Wed Jul 28 03:55:52 2021 daemon.notice netifd: Interface 'loopback' has link connectivity
Wed Jul 28 03:55:52 2021 user.notice firewall: Reloading firewall due to ifup of lan (br-lan)
Wed Jul 28 03:55:53 2021 daemon.err odhcpd[1524]: Failed to send to ff02::1%lan@br-lan (Address not available)
Wed Jul 28 03:55:54 2021 daemon.info procd: - init complete -
Wed Jul 28 03:55:54 2021 daemon.info urandom_seed[1867]: Seed saved (/etc/urandom.seed)
Wed Jul 28 03:55:59 2021 daemon.info dnsmasq[1243]: exiting on receipt of SIGTERM
Wed Jul 28 03:55:59 2021 daemon.info dnsmasq[2022]: Connected to system UBus
Wed Jul 28 03:55:59 2021 daemon.info dnsmasq[2022]: started, version 2.85 cachesize 150
Wed Jul 28 03:55:59 2021 daemon.info dnsmasq[2022]: DNS service limited to local subnets
Wed Jul 28 03:55:59 2021 daemon.info dnsmasq[2022]: compile time options: IPv6 GNU-getopt no-DBus UBus no-i18n no-IDN DHCP noe
Wed Jul 28 03:55:59 2021 daemon.info dnsmasq[2022]: UBus support enabled: connected to system bus
Wed Jul 28 03:55:59 2021 daemon.info dnsmasq-dhcp[2022]: DHCP, IP range 192.168.1.100 -- 192.168.1.249, lease time 12h
Wed Jul 28 03:55:59 2021 daemon.info dnsmasq[2022]: using only locally-known addresses for domain test
Wed Jul 28 03:55:59 2021 daemon.info dnsmasq[2022]: using only locally-known addresses for domain onion
Wed Jul 28 03:55:59 2021 daemon.info dnsmasq[2022]: using only locally-known addresses for domain localhost
Wed Jul 28 03:55:59 2021 daemon.info dnsmasq[2022]: using only locally-known addresses for domain local
Wed Jul 28 03:55:59 2021 daemon.info dnsmasq[2022]: using only locally-known addresses for domain invalid
Wed Jul 28 03:55:59 2021 daemon.info dnsmasq[2022]: using only locally-known addresses for domain bind
Wed Jul 28 03:55:59 2021 daemon.info dnsmasq[2022]: using only locally-known addresses for domain lan
Wed Jul 28 03:55:59 2021 daemon.warn dnsmasq[2022]: no servers found in /tmp/resolv.conf.d/resolv.conf.auto, will retry
Wed Jul 28 03:55:59 2021 daemon.info dnsmasq[2022]: read /etc/hosts - 4 addresses
Wed Jul 28 03:55:59 2021 daemon.info dnsmasq[2022]: read /tmp/hosts/dhcp.cfg01411c - 2 addresses
Wed Jul 28 03:55:59 2021 daemon.info dnsmasq-dhcp[2022]: read /etc/ethers - 0 addresses
Wed Jul 28 03:55:59 2021 daemon.info dnsmasq[2022]: read /etc/hosts - 4 addresses
Wed Jul 28 03:55:59 2021 daemon.info dnsmasq[2022]: read /tmp/hosts/dhcp.cfg01411c - 2 addresses
Wed Jul 28 03:55:59 2021 daemon.info dnsmasq-dhcp[2022]: read /etc/ethers - 0 addresses
Wed Jul 28 03:56:09 2021 daemon.err odhcpd[1524]: Failed to send to ff02::1%lan@br-lan (Address not available)
Wed Jul 28 03:56:25 2021 daemon.err odhcpd[1524]: Failed to send to ff02::1%lan@br-lan (Address not available)
Wed Jul 28 03:56:41 2021 daemon.err odhcpd[1524]: Failed to send to ff02::1%lan@br-lan (Address not available)

Meanwhile it works perfectly out of the box with 19.07.7 as is written in the TOH
Does anybody have experience with installing openwrt on unifi ap from ath79 target?

Thank you

did you upgrade from 19.07 to snapshot ?

in that case you might need to reset your settings, since the network part have been migrated from swconfig to DSA, and they're not compatible, config wise.

Yes, I did. Ethernet port does not work neither with preserved nor with reset settings.
There are some strange lines in console log:

**[   15.879965] ath9k 0000:00:00.0: Direct firmware load for ath9k-eeprom-pci-0000:00:00.0.bin failed with error -2**
**[   15.890200] ath9k 0000:00:00.0: Falling back to sysfs fallback for: ath9k-eeprom-pci-0000:00:00.0.bin**
[   16.021798] urngd: v1.0.2 started.
[   16.578505] random: crng init done
[   16.797802] ath: phy0: Ignoring endianness difference in EEPROM magic bytes.
[   16.825929] ieee80211 phy0: Atheros AR9287 Rev:2 mem=0xb0000000, irq=13
[   16.919736] kmodloader: done loading kernel modules from /etc/modules.d/*
[   70.083833] br-lan: port 1(eth0) entered blocking state
[   70.089197] **br-lan: port 1(eth0) entered disabled state**

Probably, ethernet driver is not loaded correctly

I tried loading nanostation M5 initramfs image as they share the same hardware. This time the process gets a bit further down I have now eth1 and eth0 interfaces and eth0 gets up

[   11.729993] kmodloader: done loading kernel modules from /etc/modules.d/*
[   11.941923] random: crng init done
[   41.683109] br-lan: port 1(eth1) entered blocking state
[   41.688458] br-lan: port 1(eth1) entered disabled state
[   41.694180] device eth1 entered promiscuous mode
[   41.764589] eth0: link up (1000Mbps/Full duplex)
[   41.789343] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready

now ip a shows state up for eth0:

root@OpenWrt:/# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel master br-lan state UP qlen 1000
    link/ether 02:27:22:0a:22:85 brd ff:ff:ff:ff:ff:ff
    inet6 fe80::27:22ff:fe0a:2285/64 scope link 
       valid_lft forever preferred_lft forever
3: eth1: <BROADCAST,MULTICAST> mtu 1500 qdisc fq_codel state DOWN qlen 1000
    link/ether 00:27:22:0a:22:85 brd ff:ff:ff:ff:ff:ff
4: wlan0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
    link/ether 00:27:22:0b:22:85 brd ff:ff:ff:ff:ff:ff
5: br-lan: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP qlen 1000
    link/ether 00:27:22:0a:22:85 brd ff:ff:ff:ff:ff:ff
    inet 192.168.1.1/24 brd 192.168.1.255 scope global br-lan
       valid_lft forever preferred_lft forever
    inet6 fdd1:8e67:1e5c::1/60 scope global noprefixroute 
       valid_lft forever preferred_lft forever
    inet6 fe80::227:22ff:fe0a:2285/64 scope link 
       valid_lft forever preferred_lft forever

Thou pings are not going thru.
So, the problem still exists.

I checked here and it turned out that AR724X is not listed in DSA enabled targets, it is listed in Ethernet Network Switch models list operating by swconfig

And one more strange thing I've found

kernel log of 19.07.7 unifi build with working eth0 contains this:

[    1.418811] ag71xx ag71xx.0: connected to PHY at ag71xx-mdio.0:04 [uid=004dd041, driver=Generic PHY]
[    1.428871] eth0: Atheros AG71xx at 0xb9000000, irq 4, mode: mii

kernel log of snapshot unifi build with broken eth0 contains this:

[    1.222054] switch0: Atheros AR724X/AR933X built-in rev. 0 switch registered on mdio.0
[    1.606583] ag71xx 19000000.eth: connected to PHY at mdio.0:1f:04 [uid=00000000, driver=Generic PHY]
[    1.616800] eth0: Atheros AG71xx at 0xb9000000, irq 4, mode: mii

As you may note, ag71xx connects to PHY different way. I think this is the reason of broken eth0. Is there any way to control this?

It turned out that my (and may be not only mine) unifi ap uses ar7240 soc, while snapshot repository has files only for ar7241 I managed to make my unifi ap work with ubnt_bullet-m-ar7240-initramfs-kernel.bin It has eth0 and wlan0 working. The only thing that does not work so far is led. Here are some questions.

  1. Is it safe to flash bullet m file to my unifi ap?
  2. How to fix led?
  3. Is that a hard work to make a correct unifi ap 7240 out of unifi ap 7241 and bullet m 7240?

I managed to build an image that works fine on my unifi ap. I've just changed in target/linux/ath79/dts/ar7241_ubnt_unifi.dtsi

#include "ar7241.dtsi" -> #include "ar7240.dtsi"

and rebuild the system. That's it.

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