After upgrading my armbian (orange pi pc plus and Orange Pi Plus 2) today, Orange Pi PC Plus mac address changes to 6a:59:53:1a:4d:c1 from AA:0A:75:AD:D2:CE.

 

Here is dmesg (Orange Pi PC Plus) output but I dont found anything related to mac address there

[    0.000000] Initializing cgroup subsys cpu
[    0.000000] Linux version 3.4.113-sun8i (root@devel) (gcc version 5.4.0 20160609 (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.4) ) #28 SMP PREEMPT Thu Feb 2 02:01:28 CET 2017
[    0.000000] CPU: ARMv7 Processor [410fc075] revision 5 (ARMv7), cr=10c5387d
[    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[    0.000000] Machine: sun8i
[    0.000000] cma: CMA: reserved 256 MiB at 50000000
[    0.000000] Memory policy: ECC disabled, Data cache writealloc
[    0.000000] On node 0 totalpages: 262144
[    0.000000] free_area_init_node: node 0, pgdat c09914c0, node_mem_map c0aca000
[    0.000000]   Normal zone: 1710 pages used for memmap
[    0.000000]   Normal zone: 0 pages reserved
[    0.000000]   Normal zone: 192850 pages, LIFO batch:31
[    0.000000]   HighMem zone: 594 pages used for memmap
[    0.000000]   HighMem zone: 66990 pages, LIFO batch:15
[    0.000000] script_init enter!
[    0.000000] script_init exit!
[    0.000000] PERCPU: Embedded 8 pages/cpu @c13e1000 s11968 r8192 d12608 u32768
[    0.000000] pcpu-alloc: s11968 r8192 d12608 u32768 alloc=8*4096
[    0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 
[    0.000000] Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 259840
[    0.000000] Kernel command line: console=ttyS0,115200 console=tty1 root=UUID=f4bee913-1a7d-46ec-91dd-5d9b25b71ab0 rootwait rootfstype=ext4 cgroup_enable=memory swapaccount=1 sunxi_ve_mem_reserve=0 sunxi_g2d_mem_reserve=0 sunxi_no_mali_mem_reserve sunxi_fb_mem_reserve=16 panic=10 consoleblank=0 enforcing=0 loglevel=1
[    0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes)
[    0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
[    0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
[    0.000000] allocated 2097152 bytes of page_cgroup
[    0.000000] please try 'cgroup_disable=memory' option if you don't want memory cgroups
[    0.000000] Memory: 1024MB = 1024MB total
[    0.000000] Memory: 758612k/758612k available, 289964k reserved, 270336K highmem
[    0.000000] Virtual kernel memory layout:
[    0.000000]     vector  : 0xffff0000 - 0xffff1000   (   4 kB)
[    0.000000]     fixmap  : 0xfff00000 - 0xfffe0000   ( 896 kB)
[    0.000000]     vmalloc : 0xf0000000 - 0xff000000   ( 240 MB)
[    0.000000]     lowmem  : 0xc0000000 - 0xef800000   ( 760 MB)
[    0.000000]     pkmap   : 0xbfe00000 - 0xc0000000   (   2 MB)
[    0.000000]     modules : 0xbf000000 - 0xbfe00000   (  14 MB)
[    0.000000]       .text : 0xc0008000 - 0xc08d0a9c   (8995 kB)
[    0.000000]       .init : 0xc08d1000 - 0xc0924ec0   ( 336 kB)
[    0.000000]       .data : 0xc0926000 - 0xc0995d30   ( 448 kB)
[    0.000000]        .bss : 0xc09964e4 - 0xc0ac97c8   (1229 kB)
[    0.000000] Preemptible hierarchical RCU implementation.
[    0.000000] 	Additional per-CPU info printed with stalls.
[    0.000000] NR_IRQS:544
[    0.000000] Architected local timer running at 24.00MHz.
[    0.000000] Switching to timer-based delay loop
[    0.000000] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 178956ms
[    0.000000] Console: colour dummy device 80x30
[    0.000000] console [tty1] enabled
[    0.000271] Calibrating delay loop (skipped), value calculated using timer frequency.. 4800.00 BogoMIPS (lpj=24000000)
[    0.000295] pid_max: default: 32768 minimum: 301
[    0.000460] Security Framework initialized
[    0.000482] AppArmor: AppArmor disabled by boot time parameter
[    0.000670] Mount-cache hash table entries: 512
[    0.001662] Initializing cgroup subsys cpuacct
[    0.001678] Initializing cgroup subsys memory
[    0.001723] Initializing cgroup subsys devices
[    0.001735] Initializing cgroup subsys freezer
[    0.001746] Initializing cgroup subsys blkio
[    0.001769] Initializing cgroup subsys perf_event
[    0.001851] CPU: Testing write buffer coherency: ok
[    0.001893] ftrace: allocating 24851 entries in 73 pages
[    0.030315] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
[    0.030333] [sunxi_smp_prepare_cpus] enter
[    0.030370] Setting up static identity map for 0x4061fbf8 - 0x4061fc50
[    0.031340] CPU1: Booted secondary processor
[    0.031340] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
[    0.031475] CPU2: Booted secondary processor
[    0.031475] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002
[    0.040508] CPU3: Booted secondary processor
[    0.040508] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003
[    0.040626] Brought up 4 CPUs
[    0.040626] SMP: Total of 4 processors activated (19200.00 BogoMIPS).
[    0.040922] devtmpfs: initialized
[    0.051924] wakeup src cnt is : 2. 
[    0.051936] [exstandby]leave extended_standby_enable_wakeup_src : event 0x800000
[    0.051947] [exstandby]leave extended_standby_enable_wakeup_src : wakeup_gpio_map 0x0
[    0.051958] [exstandby]leave extended_standby_enable_wakeup_src : wakeup_gpio_group 0x40
[    0.051969] [exstandby]leave extended_standby_enable_wakeup_src : event 0x800000
[    0.051980] [exstandby]leave extended_standby_enable_wakeup_src : wakeup_gpio_map 0x8
[    0.051990] [exstandby]leave extended_standby_enable_wakeup_src : wakeup_gpio_group 0x40
[    0.052002] sunxi pm init
[    0.052151] pinctrl core: initialized pinctrl subsystem
[    0.062317] NET: Registered protocol family 16
[    0.063310] DMA: preallocated 2048 KiB pool for atomic coherent allocations
[    0.063310] script_sysfs_init success
[    0.063310] sunxi_dump_init success
[    0.063310] gpiochip_add: registered GPIOs 0 to 383 on device: sunxi-pinctrl
[    0.063310] sunxi-pinctrl sunxi-pinctrl: initialized sunXi PIO driver
[    0.063310] plat: add bmp085 device
[    0.063310] plat: add pcf8591 device
[    0.063310] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
[    0.063310] hw-breakpoint: maximum watchpoint size is 8 bytes.
[    0.063310] Not Found clk pll_video in script 
[    0.063310] script config pll_de to 864 Mhz
[    0.063310] script config pll_ve to 402 Mhz
[    0.063310] sunxi_default_clk_init
[    0.063310] try to set pll6ahb1 to 200000000
[    0.063310] try to set ahb clk source to pll6ahb1
[    0.063310] set ahb clk source to pll6ahb1
[    0.063310] try to set ahb1 to 200000000
[    0.063310] try to set apb1 to 100000000
[    0.070244] bio: create slab <bio-0> at 0
[    0.070326] [ARISC] :sunxi-arisc driver v1.04
[    0.092089] [ARISC] :arisc version: [v0.1.58]
[    0.182526] [ARISC] :sunxi-arisc driver v1.04 startup succeeded
[    0.184161] SCSI subsystem initialized
[    0.184161] usbcore: registered new interface driver usbfs
[    0.184161] usbcore: registered new interface driver hub
[    0.184161] usbcore: registered new device driver usb
[    0.184161] twi_chan_cfg()340 - [twi0] has no twi_regulator.
[    0.184161] twi_chan_cfg()340 - [twi1] has no twi_regulator.
[    0.184161] twi_chan_cfg()340 - [twi2] has no twi_regulator.
[    0.184161] Linux video capture interface: v2.00
[    0.184161] Advanced Linux Sound Architecture Driver Version 1.0.25.
[    0.184161] cfg80211: Calling CRDA to update world regulatory domain
[    0.184161] NetLabel: Initializing
[    0.184161] NetLabel:  domain hash size = 128
[    0.184161] NetLabel:  protocols = UNLABELED CIPSOv4
[    0.184161] NetLabel:  unlabeled traffic allowed by default
[    0.184161] Switching to clocksource arch_sys_counter
[    0.193549] FS-Cache: Loaded
[    0.193853] CacheFiles: Loaded
[    0.205421] NET: Registered protocol family 2
[    0.216642] IP route cache hash table entries: 32768 (order: 5, 131072 bytes)
[    0.217260] TCP established hash table entries: 131072 (order: 8, 1048576 bytes)
[    0.219020] TCP bind hash table entries: 65536 (order: 7, 786432 bytes)
[    0.220111] TCP: Hash tables configured (established 131072 bind 65536)
[    0.220123] TCP: reno registered
[    0.220138] UDP hash table entries: 512 (order: 2, 16384 bytes)
[    0.220176] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
[    0.220541] NET: Registered protocol family 1
[    0.220979] RPC: Registered named UNIX socket transport module.
[    0.220994] RPC: Registered udp transport module.
[    0.221004] RPC: Registered tcp transport module.
[    0.221013] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    0.221223] Trying to unpack rootfs image as initramfs...
[    0.464395] Freeing initrd memory: 3720K
[    0.464952] hw perfevents: enabled with ARMv7 Cortex_A7 PMU driver, 5 counters available
[    0.465082] sunxi_reg_init enter
[    0.466036] audit: initializing netlink socket (disabled)
[    0.466090] type=2000 audit(0.460:1): initialized
[    0.467344] highmem bounce pool size: 64 pages
[    0.468240] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[    0.468433] misc fatfs initialized
[    0.468658] NFS: Registering the id_resolver key type
[    0.469067] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[    0.469082] Installing knfsd (copyright (C) 1996 okir@monad.swb.de).
[    0.469845] NTFS driver 2.1.30 [Flags: R/W].
[    0.470222] fuse init (API version 7.18)
[    0.470643] msgmni has been set to 1472
[    0.472145] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 253)
[    0.472164] io scheduler noop registered
[    0.472173] io scheduler deadline registered
[    0.472239] io scheduler cfq registered (default)
[    0.472649] [DISP]disp_module_init
[    0.472956] cmdline,init_disp=
[    0.472989] cmdline,disp=
[    0.480780] [DISP] Fb_map_kernel_logo,line:932:Fb_map_kernel_logo failed!
[    0.497185] Console: switching to colour frame buffer device 160x45
[    0.514587] [DISP]disp_module_init finish
[    0.514826] sw_uart_get_devinfo()1503 - uart0 has no uart_regulator.
[    0.515160] uart0: ttyS0 at MMIO 0x1c28000 (irq = 32) is a SUNXI
[    0.515173] sw_uart_pm()890 - uart0 clk is already enable
[    0.515192] sw_console_setup()1233 - console setup baud 115200 parity n bits 8, flow n
[    0.515331] console [ttyS0] enabled
[    0.515889] sunxi_cmatest_init enter
[    0.515930] sunxi_cmatest_init success
[    0.520135] brd: module loaded
[    0.524114] loop: module loaded
[    0.524407] sunxi_spi_chan_cfg()1376 - [spi-0] has no spi_regulator.
[    0.524422] sunxi_spi_chan_cfg()1376 - [spi-1] has no spi_regulator.
[    0.525019] spi spi0: master is unqueued, this is deprecated
[    0.525347] tun: Universal TUN/TAP device driver, 1.6
[    0.525357] tun: (C) 1999-2004 Max Krasnyansky <maxk@qualcomm.com>
[    0.526297] PPP generic driver version 2.4.2
[    0.526489] PPP BSD Compression module registered
[    0.526499] PPP Deflate Compression module registered
[    0.529401] PPP MPPE Compression module registered
[    0.529418] NET: Registered protocol family 24
[    0.529499] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    0.549608] sunxi-ehci sunxi-ehci.1: SW USB2.0 'Enhanced' Host Controller (EHCI) Driver
[    0.549645] sunxi-ehci sunxi-ehci.1: new USB bus registered, assigned bus number 1
[    0.550311] sunxi-ehci sunxi-ehci.1: irq 104, io mem 0xf1c1a000
[    0.570037] sunxi-ehci sunxi-ehci.1: USB 0.0 started, EHCI 1.00
[    0.570720] hub 1-0:1.0: USB hub found
[    0.570745] hub 1-0:1.0: 1 port detected
[    0.591121] sunxi-ehci sunxi-ehci.2: SW USB2.0 'Enhanced' Host Controller (EHCI) Driver
[    0.591153] sunxi-ehci sunxi-ehci.2: new USB bus registered, assigned bus number 2
[    0.591576] sunxi-ehci sunxi-ehci.2: irq 106, io mem 0xf1c1b000
[    0.610037] sunxi-ehci sunxi-ehci.2: USB 0.0 started, EHCI 1.00
[    0.610593] hub 2-0:1.0: USB hub found
[    0.610617] hub 2-0:1.0: 1 port detected
[    0.630994] sunxi-ehci sunxi-ehci.3: SW USB2.0 'Enhanced' Host Controller (EHCI) Driver
[    0.631024] sunxi-ehci sunxi-ehci.3: new USB bus registered, assigned bus number 3
[    0.631413] sunxi-ehci sunxi-ehci.3: irq 108, io mem 0xf1c1c000
[    0.650031] sunxi-ehci sunxi-ehci.3: USB 0.0 started, EHCI 1.00
[    0.650544] hub 3-0:1.0: USB hub found
[    0.650567] hub 3-0:1.0: 1 port detected
[    0.670963] sunxi-ehci sunxi-ehci.4: SW USB2.0 'Enhanced' Host Controller (EHCI) Driver
[    0.670994] sunxi-ehci sunxi-ehci.4: new USB bus registered, assigned bus number 4
[    0.671380] sunxi-ehci sunxi-ehci.4: irq 110, io mem 0xf1c1d000
[    0.690032] sunxi-ehci sunxi-ehci.4: USB 0.0 started, EHCI 1.00
[    0.690572] hub 4-0:1.0: USB hub found
[    0.690592] hub 4-0:1.0: 1 port detected
[    0.690969] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[    0.711065] sunxi-ohci sunxi-ohci.1: SW USB2.0 'Open' Host Controller (OHCI) Driver
[    0.711094] sunxi-ohci sunxi-ohci.1: new USB bus registered, assigned bus number 5
[    0.711129] sunxi-ohci sunxi-ohci.1: irq 105, io mem 0xf1c1a400
[    0.774568] hub 5-0:1.0: USB hub found
[    0.774589] hub 5-0:1.0: 1 port detected
[    0.794965] sunxi-ohci sunxi-ohci.2: SW USB2.0 'Open' Host Controller (OHCI) Driver
[    0.794995] sunxi-ohci sunxi-ohci.2: new USB bus registered, assigned bus number 6
[    0.795027] sunxi-ohci sunxi-ohci.2: irq 107, io mem 0xf1c1b400
[    0.854567] hub 6-0:1.0: USB hub found
[    0.854590] hub 6-0:1.0: 1 port detected
[    0.874969] sunxi-ohci sunxi-ohci.3: SW USB2.0 'Open' Host Controller (OHCI) Driver
[    0.874999] sunxi-ohci sunxi-ohci.3: new USB bus registered, assigned bus number 7
[    0.875031] sunxi-ohci sunxi-ohci.3: irq 109, io mem 0xf1c1c400
[    0.934606] hub 7-0:1.0: USB hub found
[    0.934625] hub 7-0:1.0: 1 port detected
[    0.955171] sunxi-ohci sunxi-ohci.4: SW USB2.0 'Open' Host Controller (OHCI) Driver
[    0.955203] sunxi-ohci sunxi-ohci.4: new USB bus registered, assigned bus number 8
[    0.955240] sunxi-ohci sunxi-ohci.4: irq 111, io mem 0xf1c1d400
[    1.014534] hub 8-0:1.0: USB hub found
[    1.014553] hub 8-0:1.0: 1 port detected
[    1.014895] Initializing USB Mass Storage driver...
[    1.015131] usbcore: registered new interface driver usb-storage
[    1.015143] USB Mass Storage support registered.
[    1.015208] usbcore: registered new interface driver ums-alauda
[    1.015264] usbcore: registered new interface driver ums-cypress
[    1.015319] usbcore: registered new interface driver ums-datafab
[    1.015366] usbcore: registered new interface driver ums_eneub6250
[    1.015414] usbcore: registered new interface driver ums-freecom
[    1.015465] usbcore: registered new interface driver ums-isd200
[    1.015514] usbcore: registered new interface driver ums-jumpshot
[    1.015563] usbcore: registered new interface driver ums-karma
[    1.015612] usbcore: registered new interface driver ums-onetouch
[    1.015676] usbcore: registered new interface driver ums-realtek
[    1.015726] usbcore: registered new interface driver ums-sddr09
[    1.015777] usbcore: registered new interface driver ums-sddr55
[    1.015827] usbcore: registered new interface driver ums-usbat
[    1.016051]  uinput result 0 , vmouse_init 
[    1.016662] mousedev: PS/2 mouse device common for all mice
[    1.016894] sunxikbd_init failed. 
[    1.017399] ls_fetch_sysconfig_para: type err  device_used = -1073057456. 
[    1.017411] =========script_get_err============
[    1.017419] ltr_init: ls_fetch_sysconfig_para err.
[    1.017757] [RTC] WARNING: Rtc time will be wrong!!
[    1.017767] [RTC] WARNING: use *internal OSC* as clock source
[    1.018029] sunxi-rtc sunxi-rtc: rtc core: registered sunxi-rtc as rtc0
[    1.018084] i2c /dev entries driver
[    1.018487] sunxi cedar version 0.1 
[    1.018529] [cedar]: install start!!!
[    1.018727] [cedar]: install end!!!
[    1.018975] sunxi_i2c_do_xfer()985 - [i2c0] incomplete xfer (status: 0x20, dev addr: 0x18)
[    1.019149] sunxi_i2c_do_xfer()985 - [i2c0] incomplete xfer (status: 0x20, dev addr: 0x19)
[    1.019321] sunxi_i2c_do_xfer()985 - [i2c0] incomplete xfer (status: 0x20, dev addr: 0x1a)
[    1.019492] sunxi_i2c_do_xfer()985 - [i2c0] incomplete xfer (status: 0x20, dev addr: 0x29)
[    1.019662] sunxi_i2c_do_xfer()985 - [i2c0] incomplete xfer (status: 0x20, dev addr: 0x2a)
[    1.019833] sunxi_i2c_do_xfer()985 - [i2c0] incomplete xfer (status: 0x20, dev addr: 0x2b)
[    1.020003] sunxi_i2c_do_xfer()985 - [i2c0] incomplete xfer (status: 0x20, dev addr: 0x4c)
[    1.020208] sunxi_i2c_do_xfer()985 - [i2c0] incomplete xfer (status: 0x20, dev addr: 0x4d)
[    1.020379] sunxi_i2c_do_xfer()985 - [i2c0] incomplete xfer (status: 0x20, dev addr: 0x4e)
[    1.020582] sunxi_i2c_do_xfer()985 - [i2c1] incomplete xfer (status: 0x20, dev addr: 0x18)
[    1.020778] sunxi_i2c_do_xfer()985 - [i2c1] incomplete xfer (status: 0x20, dev addr: 0x19)
[    1.020974] sunxi_i2c_do_xfer()985 - [i2c1] incomplete xfer (status: 0x20, dev addr: 0x1a)
[    1.021171] sunxi_i2c_do_xfer()985 - [i2c1] incomplete xfer (status: 0x20, dev addr: 0x29)
[    1.021367] sunxi_i2c_do_xfer()985 - [i2c1] incomplete xfer (status: 0x20, dev addr: 0x2a)
[    1.021563] sunxi_i2c_do_xfer()985 - [i2c1] incomplete xfer (status: 0x20, dev addr: 0x2b)
[    1.021760] sunxi_i2c_do_xfer()985 - [i2c1] incomplete xfer (status: 0x20, dev addr: 0x4c)
[    1.021956] sunxi_i2c_do_xfer()985 - [i2c1] incomplete xfer (status: 0x20, dev addr: 0x4d)
[    1.022152] sunxi_i2c_do_xfer()985 - [i2c1] incomplete xfer (status: 0x20, dev addr: 0x4e)
[    1.022168] sunxi_wdt_init_module: sunxi WatchDog Timer Driver v1.0
[    1.022338] sunxi_wdt_probe: devm_ioremap return wdt_reg 0xf1c20ca0, res->start 0x01c20ca0, res->end 0x01c20cbf
[    1.022493] sunxi_wdt_probe: initialized (g_timeout=16s, g_nowayout=0)
[    1.022507] wdt_enable, write reg 0xf1c20cb8 val 0x00000000
[    1.022517] timeout_to_interv, line 167
[    1.022525] interv_to_timeout, line 189
[    1.022535] wdt_set_tmout, write 0x000000b0 to mode reg 0xf1c20cb8, actual timeout 16 sec
[    1.022968] device-mapper: ioctl: 4.22.0-ioctl (2011-10-19) initialised: dm-devel@redhat.com
[    1.023188] calibrat: max_cpufreq 1200Mhz Type 0!
[    1.023504] [mmc]: SD/MMC/SDIO Host Controller Driver(v1.111 2015-4-13 15:24) Compiled in Feb  2 2017 at 01:59:41
[    1.023540] [mmc]: get mmc0's sdc_power is null!
[    1.023568] [mmc]: get mmc1's sdc_power is null!
[    1.023577] [mmc]: get mmc1's 2xmode ok, val = 1
[    1.023586] [mmc]: get mmc1's ddrmode ok, val = 1
[    1.023615] [mmc]: get mmc2's sdc_power is null!
[    1.023624] [mmc]: get mmc2's 2xmode ok, val = 1
[    1.023634] [mmc]: get mmc2's ddrmode ok, val = 1
[    1.023647] [mmc]: MMC host used card: 0x7, boot card: 0x0, io_card 2
[    1.027309] [mmc]: sdc0 power_supply is null
[    1.030830] no blue_led, ignore it!
[    1.031083] Registered led device: red_led
[    1.031202] Registered led device: green_led
[    1.031219] no led_0, ignore it!
[    1.031227] no led_1, ignore it!
[    1.031234] no led_2, ignore it!
[    1.031241] no led_3, ignore it!
[    1.031248] no led_4, ignore it!
[    1.031255] no led_5, ignore it!
[    1.031262] no led_6, ignore it!
[    1.031269] no led_7, ignore it!
[    1.032119] usbcore: registered new interface driver usbhid
[    1.032131] usbhid: USB HID core driver
[    1.036550] asoc: sndcodec <-> sunxi-codec mapping ok
[    1.037694] [DAUDIO]sunxi-daudio cannot find any using configuration for controllers, return directly!
[    1.037884] [I2S]snddaudio cannot find any using configuration for controllers, return directly!
[    1.037900] [DAUDIO0] driver not init,just return.
[    1.041412] asoc: sndhdmi <-> sunxi-hdmiaudio.0 mapping ok
[    1.042766] oprofile: using arm/armv7-ca7
[    1.042961] u32 classifier
[    1.042970]     Performance counters on
[    1.042978]     input device check on
[    1.042985]     Actions configured
[    1.043178] IPv4 over IPv4 tunneling driver
[    1.043823] TCP: bic registered
[    1.043834] TCP: cubic registered
[    1.043841] TCP: westwood registered
[    1.043849] TCP: highspeed registered
[    1.043857] TCP: hybla registered
[    1.043864] TCP: htcp registered
[    1.043872] TCP: vegas registered
[    1.043879] TCP: veno registered
[    1.043887] TCP: scalable registered
[    1.043894] TCP: lp registered
[    1.043902] TCP: yeah registered
[    1.043910] TCP: illinois registered
[    1.043917] Initializing XFRM netlink socket
[    1.044141] NET: Registered protocol family 10
[    1.045335] NET: Registered protocol family 17
[    1.045366] NET: Registered protocol family 15
[    1.045413] Registering the dns_resolver key type
[    1.045909] VFP support v0.3: implementor 41 architecture 2 part 30 variant 7 rev 5
[    1.045932] ThumbEE CPU extension supported.
[    1.045955] Registering SWP/SWPB emulation handler
[    1.046517] registered taskstats version 1
[    1.046980] cmdline,disp=
[    1.047293] [HDMI] power vcc-hdmi-18
[    1.073703] [mmc]: sdc0 power_supply is null
[    1.077822] [mmc]: sdc0 power_supply is null
[    1.078389] ths_fetch_sysconfig_para: type err  device_used = 1. 
[    1.079657] CPU Budget:corekeeper enabled
[    1.079893] CPU Budget:Register notifier
[    1.079906] CPU Budget:register Success
[    1.079919] sunxi-budget-cooling sunxi-budget-cooling: Cooling device registered: thermal-budget-0
[    1.083279] [rf_pm]: module power0 name vcc-wifi-33
[    1.083297] [rf_pm]: Did not config module_power1 in sys_config
[    1.083307] [rf_pm]: Did not config module_power2 in sys_config
[    1.083317] [rf_pm]: Did not config module_power3 in sys_config
[    1.083328] [rf_pm]: mod has no chip_en gpio
[    1.083336] [rf_pm]: regulator on.
[    1.083352] [rf_pm]: set losc_out 32k out[wifi_pm]: set wl_reg_on 1 !
[    1.127094] [mmc]: sdc0 power_supply is null
[    1.131209] [mmc]: sdc0 power_supply is null
[    1.183691] hci: ERR: sunxi_ehci is already enable, can not enable again
[    1.183705] hci: ERR: sunxi_ohci is already enable, can not enable again
[    1.193808] [mmc]: sdc0 power_supply is null
[    1.197916] [mmc]: sdc0 power_supply is null
[    1.247056] [mmc]: sdc0 power_supply is null
[    1.251174] [mmc]: sdc1 power_supply is null
[    1.283743] [wifi_pm]: wifi gpio init is OK !!
[    1.283807] [rfkill]: init no bt used in configuration
[    1.283819] ALSA device list:
[    1.283828]   #0: audiocodec
[    1.283835]   #1: sndhdmi
[    1.284639] Freeing init memory: 332K
[    1.310325] mmc1: new high speed SDIO card at address 0001
[    1.312191] [mmc]: sdc2 power_supply is null
[    1.329923] systemd-udevd[96]: starting version 215
[    1.405195] mmc2: new high speed DDR MMC card at address 0001
[    1.405893] mmcblk0: mmc2:0001 8WPD3R 7.28 GiB 
[    1.406237] mmcblk0boot0: mmc2:0001 8WPD3R partition 1 4.00 MiB
[    1.406562] mmcblk0boot1: mmc2:0001 8WPD3R partition 2 4.00 MiB
[    1.407799]  mmcblk0: p1
[    1.410528]  mmcblk0boot1: unknown partition table
[    1.412477]  mmcblk0boot0: unknown partition table
[    1.412821] mmcblk mmc2:0001: Card claimed for testing.
[    1.412842] mmc2:0001: 8WPD3R 7.28 GiB 
[    1.680050] [DISP] disp_device_attached_and_enable,line:159:attched ok, mgr0<-->device0, type=4, mode=5
[    2.189097] Btrfs loaded
[    2.642180] EXT4-fs (mmcblk0p1): mounted filesystem with ordered data mode. Opts: (null)
[    3.660329] systemd[1]: systemd 215 running in system mode. (+PAM +AUDIT +SELINUX +IMA +SYSVINIT +LIBCRYPTSETUP +GCRYPT +ACL +XZ -SECCOMP -APPARMOR)
[    3.660687] systemd[1]: Detected architecture 'arm'.
[    3.666678] systemd[1]: Set hostname to <dnsx>.
[    3.928769] systemd[1]: Cannot add dependency job for unit display-manager.service, ignoring: Unit display-manager.service failed to load: No such file or directory.
[    3.931801] systemd[1]: Starting Forward Password Requests to Wall Directory Watch.
[    3.932192] systemd[1]: Started Forward Password Requests to Wall Directory Watch.
[    3.932275] systemd[1]: Expecting device dev-ttyS0.device...
[    3.932906] systemd[1]: Starting Remote File Systems (Pre).
[    3.933364] systemd[1]: Reached target Remote File Systems (Pre).
[    3.933554] systemd[1]: Starting Arbitrary Executable File Formats File System Automount Point.
[    3.934580] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point.
[    3.934664] systemd[1]: Starting Encrypted Volumes.
[    3.935075] systemd[1]: Reached target Encrypted Volumes.
[    3.935158] systemd[1]: Starting Dispatch Password Requests to Console Directory Watch.
[    3.935378] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.
[    3.935438] systemd[1]: Starting Paths.
[    3.935815] systemd[1]: Reached target Paths.
[    3.935884] systemd[1]: Starting Root Slice.
[    3.936364] systemd[1]: Created slice Root Slice.
[    3.936426] systemd[1]: Starting Delayed Shutdown Socket.
[    3.936994] systemd[1]: Listening on Delayed Shutdown Socket.
[    3.937059] systemd[1]: Starting /dev/initctl Compatibility Named Pipe.
[    3.937634] systemd[1]: Listening on /dev/initctl Compatibility Named Pipe.
[    3.937701] systemd[1]: Starting Journal Socket (/dev/log).
[    3.938232] systemd[1]: Listening on Journal Socket (/dev/log).
[    3.938300] systemd[1]: Starting User and Session Slice.
[    3.938851] systemd[1]: Created slice User and Session Slice.
[    3.938931] systemd[1]: Starting udev Control Socket.
[    3.939436] systemd[1]: Listening on udev Control Socket.
[    3.939512] systemd[1]: Starting udev Kernel Socket.
[    3.939968] systemd[1]: Listening on udev Kernel Socket.
[    3.940111] systemd[1]: Starting Journal Socket.
[    3.940658] systemd[1]: Listening on Journal Socket.
[    3.940791] systemd[1]: Starting System Slice.
[    3.941341] systemd[1]: Created slice System Slice.
[    3.941486] systemd[1]: Starting Increase datagram queue length...
[    4.090854] systemd[1]: Starting Restore / save the current clock...
[    4.151207] systemd[1]: Starting Create list of required static device nodes for the current kernel...
[    4.220979] systemd[1]: Starting udev Coldplug all Devices...
[    4.252269] systemd[1]: Started Set Up Additional Binary Formats.
[    4.252691] systemd[1]: Mounting Debug File System...
[    4.310619] systemd[1]: Mounted Huge Pages File System.
[    4.310807] systemd[1]: Mounting POSIX Message Queue File System...
[    4.360553] systemd[1]: Starting system-getty.slice.
[    4.361526] systemd[1]: Created slice system-getty.slice.
[    4.361625] systemd[1]: Starting system-serial\x2dgetty.slice.
[    4.362412] systemd[1]: Created slice system-serial\x2dgetty.slice.
[    4.365083] systemd[1]: Starting Load Kernel Modules...
[    4.440847] systemd[1]: Started File System Check on Root Device.
[    4.441039] systemd[1]: Starting LSB: Set keymap...
[    4.510629] systemd[1]: Starting Slices.
[    4.511257] systemd[1]: Reached target Slices.
[    4.514266] systemd[1]: Mounted POSIX Message Queue File System.
[    4.514973] systemd[1]: Mounted Debug File System.
[    4.580669] systemd[1]: Started Increase datagram queue length.
[    4.599372] [wifi_pm]: set wl_reg_on 1 !
[    4.607111] 29 81 03 CC 00 00 50 00 00 00 04 CC 0A 0C 00 00
[    4.607151] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[    4.607189] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[    4.607226] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[    4.607264] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[    4.607302] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[    4.607339] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[    4.607377] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[    4.607414] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[    4.607452] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[    4.607490] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[    4.607527] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[    4.607565] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[    4.607602] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[    4.607640] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[    4.607678] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[    4.607715] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[    4.607753] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[    4.607790] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[    4.607828] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[    4.607866] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[    4.607903] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[    4.607941] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[    4.607978] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[    4.608016] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[    4.608054] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[    4.608091] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[    4.608129] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[    4.608166] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[    4.608204] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[    4.608242] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[    4.608279] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[    4.645358] systemd[1]: Started Restore / save the current clock.
[    4.765348] systemd[1]: Started Create list of required static device nodes for the current kernel.
[    4.895542] systemd[1]: Started Load Kernel Modules.
[    4.985192] systemd[1]: Started LSB: Set keymap.
[    5.035043] systemd[1]: Started udev Coldplug all Devices.
[    5.037952] systemd[1]: Time has been changed
[    5.038587] systemd[1]: Mounted Configuration File System.
[    5.038682] systemd[1]: Starting Apply Kernel Variables...
[    5.130858] systemd[1]: Mounting FUSE Control File System...
[    5.180840] systemd[1]: Starting Create Static Device Nodes in /dev...
[    5.230835] systemd[1]: Starting Syslog Socket.
[    5.236065] systemd[1]: Listening on Syslog Socket.
[    5.236220] systemd[1]: Starting Journal Service...
[    5.295899] systemd[1]: Started Journal Service.
[    5.592031] systemd-udevd[182]: starting version 215
[    5.916836] sunxi_i2c_do_xfer()985 - [i2c0] incomplete xfer (status: 0x20, dev addr: 0x77)
[    5.916878] bmp085: probe of 0-0077 failed with error -70
[    5.917355] sunxi_i2c_do_xfer()985 - [i2c0] incomplete xfer (status: 0x20, dev addr: 0x48)
[    5.917549] sunxi_i2c_do_xfer()985 - [i2c0] incomplete xfer (status: 0x48, dev addr: 0x48)
[    6.337581] EXT4-fs (mmcblk0p1): re-mounted. Opts: commit=600,errors=remount-ro
[    6.532134] Adding 131068k swap on /var/swap.  Priority:-1 extents:3 across:147456k SS
[    8.023918] systemd-journald[181]: Received request to flush runtime journal from PID 1
[    8.337709] gmac0: probed
[    8.338058] gmac0 gmac0: eth0: eth0: PHY ID 00441400 at 0 IRQ poll (gmac0-0:00)
[   10.163464] Registered IR keymap rc-empty
[   10.169164] rc0: sunxi-ir as /devices/virtual/rc/rc0
[   10.215238] IR RC5(x) protocol handler initialized
[   10.360858] rc s_cir0: lirc_dev: driver ir-lirc-codec (sunxi-ir) registered at minor = 0
[   11.330346] PHY: gmac0-0:00 - Link is Up - 100/Full

my Orange Pi Plus 2 affected by this issue too.

https://forum.armbian.com/index.php/topic/3466-mac-adress-of-my-opi-pc-has-changed/