below are, hopefully, to dmesg records (?). the first is the with the monoprice 3v2 unconnected from the Pi, the second is with it connected.
OctoPrint version : 1.4.0
OctoPi version : 0.17.0
pi@octopi:~ $ dmesg
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Linux version 4.19.75-v7+ (dom@buildbot) (gcc version 4.9.3 (crosstool-NG crosstool-ng-1.22.0-88-g8460611)) #1270 SMP Tue Sep 24 18:45:11 BST 2019
[ 0.000000] CPU: ARMv7 Processor [410fd034] revision 4 (ARMv7), cr=10c5383d
[ 0.000000] CPU: div instructions available: patching division code
[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[ 0.000000] OF: fdt: Machine model: Raspberry Pi 3 Model B Rev 1.2
[ 0.000000] Memory policy: Data cache writealloc
[ 0.000000] cma: Reserved 8 MiB at 0x37800000
[ 0.000000] On node 0 totalpages: 229376
[ 0.000000] Normal zone: 2016 pages used for memmap
[ 0.000000] Normal zone: 0 pages reserved
[ 0.000000] Normal zone: 229376 pages, LIFO batch:63
[ 0.000000] random: get_random_bytes called from start_kernel+0xac/0x4b4 with crng_init=0
[ 0.000000] percpu: Embedded 17 pages/cpu s39488 r8192 d21952 u69632
[ 0.000000] pcpu-alloc: s39488 r8192 d21952 u69632 alloc=17*4096
[ 0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 227360
[ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 bcm2708_fb.fbwidth=656 bcm2708_fb.fbheight=416 bcm2708_fb.fbswap=1 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=ttyS0,115200 console=tty1 root=PARTUUID=6c586e13-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait
[ 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] Memory: 886308K/917504K available (8192K kernel code, 629K rwdata, 2176K rodata, 1024K init, 821K bss, 23004K reserved, 8192K cma-reserved)
[ 0.000000] Virtual kernel memory layout:
vector : 0xffff0000 - 0xffff1000 ( 4 kB)
fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
vmalloc : 0xb8800000 - 0xff800000 (1136 MB)
lowmem : 0x80000000 - 0xb8000000 ( 896 MB)
modules : 0x7f000000 - 0x80000000 ( 16 MB)
.text : 0x(ptrval) - 0x(ptrval) (9184 kB)
.init : 0x(ptrval) - 0x(ptrval) (1024 kB)
.data : 0x(ptrval) - 0x(ptrval) ( 630 kB)
.bss : 0x(ptrval) - 0x(ptrval) ( 822 kB)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
[ 0.000000] ftrace: allocating 26399 entries in 78 pages
[ 0.000000] rcu: Hierarchical RCU implementation.
[ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
[ 0.000000] arch_timer: cp15 timer(s) running at 19.20MHz (phys).
[ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x46d987e47, max_idle_ns: 440795202767 ns
[ 0.000007] sched_clock: 56 bits at 19MHz, resolution 52ns, wraps every 4398046511078ns
[ 0.000023] Switching to timer-based delay loop, resolution 52ns
[ 0.000293] Console: colour dummy device 80x30
[ 0.000904] console [tty1] enabled
[ 0.000962] Calibrating delay loop (skipped), value calculated using timer frequency.. 38.40 BogoMIPS (lpj=192000)
[ 0.001008] pid_max: default: 32768 minimum: 301
[ 0.001365] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.001401] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.002338] CPU: Testing write buffer coherency: ok
[ 0.002818] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
[ 0.003485] Setting up static identity map for 0x100000 - 0x10003c
[ 0.003653] rcu: Hierarchical SRCU implementation.
[ 0.004462] smp: Bringing up secondary CPUs ...
[ 0.005321] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
[ 0.006250] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002
[ 0.007115] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003
[ 0.007237] smp: Brought up 1 node, 4 CPUs
[ 0.007318] SMP: Total of 4 processors activated (153.60 BogoMIPS).
[ 0.007341] CPU: All CPU(s) started in HYP mode.
[ 0.007362] CPU: Virtualization extensions available.
[ 0.008347] devtmpfs: initialized
[ 0.021304] VFP support v0.3: implementor 41 architecture 3 part 40 variant 3 rev 4
[ 0.021577] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.021625] futex hash table entries: 1024 (order: 4, 65536 bytes)
[ 0.022241] pinctrl core: initialized pinctrl subsystem
[ 0.023123] NET: Registered protocol family 16
[ 0.026034] DMA: preallocated 1024 KiB pool for atomic coherent allocations
[ 0.031671] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
[ 0.031707] hw-breakpoint: maximum watchpoint size is 8 bytes.
[ 0.031930] Serial: AMBA PL011 UART driver
[ 0.034225] bcm2835-mbox 3f00b880.mailbox: mailbox enabled
[ 0.069072] bcm2835-dma 3f007000.dma: DMA legacy API manager at (ptrval), dmachans=0x1
[ 0.070998] SCSI subsystem initialized
[ 0.071233] usbcore: registered new interface driver usbfs
[ 0.071315] usbcore: registered new interface driver hub
[ 0.071426] usbcore: registered new device driver usb
[ 0.090294] raspberrypi-firmware soc:firmware: Attached to firmware from 2019-09-24 17:39, variant start_x
[ 0.100128] raspberrypi-firmware soc:firmware: Firmware hash is 6820edeee4ef3891b95fc01cf02a7abd7ca52f17
[ 0.111750] clocksource: Switched to clocksource arch_sys_counter
[ 0.201400] VFS: Disk quotas dquot_6.6.0
[ 0.201511] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[ 0.201688] FS-Cache: Loaded
[ 0.201936] CacheFiles: Loaded
[ 0.211925] NET: Registered protocol family 2
[ 0.212716] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 6144 bytes)
[ 0.212780] TCP established hash table entries: 8192 (order: 3, 32768 bytes)
[ 0.212911] TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
[ 0.213115] TCP: Hash tables configured (established 8192 bind 8192)
[ 0.213270] UDP hash table entries: 512 (order: 2, 16384 bytes)
[ 0.213336] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
[ 0.213669] NET: Registered protocol family 1
[ 0.214254] RPC: Registered named UNIX socket transport module.
[ 0.214280] RPC: Registered udp transport module.
[ 0.214302] RPC: Registered tcp transport module.
[ 0.214324] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.215992] hw perfevents: enabled with armv7_cortex_a7 PMU driver, 7 counters available
[ 0.219028] Initialise system trusted keyrings
[ 0.219238] workingset: timestamp_bits=14 max_order=18 bucket_order=4
[ 0.229056] FS-Cache: Netfs 'nfs' registered for caching
[ 0.229657] NFS: Registering the id_resolver key type
[ 0.229702] Key type id_resolver registered
[ 0.229724] Key type id_legacy registered
[ 0.229756] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[ 0.232107] Key type asymmetric registered
[ 0.232137] Asymmetric key parser 'x509' registered
[ 0.232206] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 250)
[ 0.232387] io scheduler noop registered
[ 0.232412] io scheduler deadline registered (default)
[ 0.232608] io scheduler cfq registered
[ 0.232631] io scheduler mq-deadline registered (default)
[ 0.232656] io scheduler kyber registered
[ 0.235769] bcm2708_fb soc:fb: FB found 1 display(s)
[ 0.244750] Console: switching to colour frame buffer device 82x26
[ 0.251594] bcm2708_fb soc:fb: Registered framebuffer for display 0, size 656x416
[ 0.258344] bcm2835-rng 3f104000.rng: hwrng registered
[ 0.261034] vc-mem: phys_addr:0x00000000 mem_base=0x3ec00000 mem_size:0x40000000(1024 MiB)
[ 0.266345] vc-sm: Videocore shared memory driver
[ 0.269104] gpiomem-bcm2835 3f200000.gpiomem: Initialised: Registers at 0x3f200000
[ 0.284927] brd: module loaded
[ 0.297556] loop: module loaded
[ 0.300607] Loading iSCSI transport class v2.0-870.
[ 0.303786] libphy: Fixed MDIO Bus: probed
[ 0.306299] usbcore: registered new interface driver lan78xx
[ 0.308755] usbcore: registered new interface driver smsc95xx
[ 0.311112] dwc_otg: version 3.00a 10-AUG-2012 (platform bus)
[ 0.341396] dwc_otg 3f980000.usb: base=(ptrval)
[ 0.544056] Core Release: 2.80a
[ 0.546437] Setting default values for core params
[ 0.548884] Finished setting default values for core params
[ 0.751622] Using Buffer DMA mode
[ 0.754031] Periodic Transfer Interrupt Enhancement - disabled
[ 0.756458] Multiprocessor Interrupt Enhancement - disabled
[ 0.758832] OTG VER PARAM: 0, OTG VER FLAG: 0
[ 0.761179] Dedicated Tx FIFOs mode
[ 0.763889] WARN::dwc_otg_hcd_init:1045: FIQ DMA bounce buffers: virt = b7904000 dma = 0xf7904000 len=9024
[ 0.768470] FIQ FSM acceleration enabled for :
Non-periodic Split Transactions
Periodic Split Transactions
High-Speed Isochronous Endpoints
Interrupt/Control Split Transaction hack enabled
[ 0.779382] dwc_otg: Microframe scheduler enabled
[ 0.779440] WARN::hcd_init_fiq:457: FIQ on core 1
[ 0.781667] WARN::hcd_init_fiq:458: FIQ ASM at 80655664 length 36
[ 0.783879] WARN::hcd_init_fiq:497: MPHI regs_base at b8810000
[ 0.786136] dwc_otg 3f980000.usb: DWC OTG Controller
[ 0.788395] dwc_otg 3f980000.usb: new USB bus registered, assigned bus number 1
[ 0.790714] dwc_otg 3f980000.usb: irq 56, io mem 0x00000000
[ 0.793038] Init: Port Power? op_state=1
[ 0.795279] Init: Power Port (0)
[ 0.797697] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 4.19
[ 0.802230] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 0.804645] usb usb1: Product: DWC OTG Controller
[ 0.807009] usb usb1: Manufacturer: Linux 4.19.75-v7+ dwc_otg_hcd
[ 0.809428] usb usb1: SerialNumber: 3f980000.usb
[ 0.812394] hub 1-0:1.0: USB hub found
[ 0.814667] hub 1-0:1.0: 1 port detected
[ 0.817432] dwc_otg: FIQ enabled
[ 0.817438] dwc_otg: NAK holdoff enabled
[ 0.817444] dwc_otg: FIQ split-transaction FSM enabled
[ 0.817454] Module dwc_common_port init
[ 0.817750] usbcore: registered new interface driver usb-storage
[ 0.820200] mousedev: PS/2 mouse device common for all mice
[ 0.823406] bcm2835-wdt bcm2835-wdt: Broadcom BCM2835 watchdog timer
[ 0.826033] bcm2835-cpufreq: min=600000 max=1200000
[ 0.828861] sdhci: Secure Digital Host Controller Interface driver
[ 0.831276] sdhci: Copyright(c) Pierre Ossman
[ 0.834077] mmc-bcm2835 3f300000.mmcnr: could not get clk, deferring probe
[ 0.836990] sdhost-bcm2835 3f202000.mmc: could not get clk, deferring probe
[ 0.839670] sdhci-pltfm: SDHCI platform and OF driver helper
[ 0.843765] ledtrig-cpu: registered to indicate activity on CPUs
[ 0.846537] hidraw: raw HID events driver (C) Jiri Kosina
[ 0.849307] usbcore: registered new interface driver usbhid
[ 0.851961] usbhid: USB HID core driver
[ 0.855271] vchiq: vchiq_init_state: slot_zero = (ptrval), is_master = 0
[ 0.859395] [vc_sm_connected_init]: start
[ 0.868111] [vc_sm_connected_init]: end - returning 0
[ 0.871663] Initializing XFRM netlink socket
[ 0.874125] NET: Registered protocol family 17
[ 0.876621] Key type dns_resolver registered
[ 0.879428] Registering SWP/SWPB emulation handler
[ 0.882549] registered taskstats version 1
[ 0.884955] Loading compiled-in X.509 certificates
[ 0.894622] uart-pl011 3f201000.serial: cts_event_workaround enabled
[ 0.897149] 3f201000.serial: ttyAMA0 at MMIO 0x3f201000 (irq = 81, base_baud = 0) is a PL011 rev2
[ 0.904029] mmc-bcm2835 3f300000.mmcnr: mmc_debug:0 mmc_debug2:0
[ 0.906563] mmc-bcm2835 3f300000.mmcnr: DMA channel allocated
[ 0.935109] sdhost: log_buf @ (ptrval) (f7907000)
[ 0.973663] mmc1: queuing unknown CIS tuple 0x80 (2 bytes)
[ 0.977627] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[ 0.981485] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[ 0.983727] mmc0: sdhost-bcm2835 loaded - DMA enabled (>1)
[ 0.987202] of_cfs_init
[ 0.989448] of_cfs_init: OK
[ 0.992078] Waiting for root device PARTUUID=6c586e13-02...
[ 1.008306] mmc1: queuing unknown CIS tuple 0x80 (7 bytes)
[ 1.031871] Indeed it is in host mode hprt0 = 00021501
[ 1.102641] random: fast init done
[ 1.127907] mmc0: host does not support reading read-only switch, assuming write-enable
[ 1.134958] mmc0: new high speed SDHC card at address e624
[ 1.138506] mmcblk0: mmc0:e624 SU04G 3.69 GiB
[ 1.143145] mmcblk0: p1 p2
[ 1.164319] EXT4-fs (mmcblk0p2): INFO: recovery required on readonly filesystem
[ 1.166692] EXT4-fs (mmcblk0p2): write access will be enabled during recovery
[ 1.180012] mmc1: new high speed SDIO card at address 0001
[ 1.241804] usb 1-1: new high-speed USB device number 2 using dwc_otg
[ 1.244258] Indeed it is in host mode hprt0 = 00001101
[ 1.482130] usb 1-1: New USB device found, idVendor=0424, idProduct=9514, bcdDevice= 2.00
[ 1.486960] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 1.490366] hub 1-1:1.0: USB hub found
[ 1.493169] hub 1-1:1.0: 5 ports detected
[ 1.811784] usb 1-1.1: new high-speed USB device number 3 using dwc_otg
[ 1.942030] usb 1-1.1: New USB device found, idVendor=0424, idProduct=ec00, bcdDevice= 2.00
[ 1.947472] usb 1-1.1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 1.953035] smsc95xx v1.0.6
[ 2.045167] smsc95xx 1-1.1:1.0 eth0: register 'smsc95xx' at usb-3f980000.usb-1.1, smsc95xx USB 2.0 Ethernet, b8:27:eb:89:fe:7c
[ 2.461035] EXT4-fs (mmcblk0p2): recovery complete
[ 2.467433] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
[ 2.473295] VFS: Mounted root (ext4 filesystem) readonly on device 179:2.
[ 2.485357] devtmpfs: mounted
[ 2.493668] Freeing unused kernel memory: 1024K
[ 2.496977] Run /sbin/init as init process
[ 3.105285] systemd[1]: System time before build time, advancing clock.
[ 3.242872] NET: Registered protocol family 10
[ 3.247212] Segment Routing with IPv6
[ 3.292559] systemd[1]: systemd 241 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD -IDN2 +IDN -PCRE2 default-hierarchy=hybrid)
[ 3.302261] systemd[1]: Detected architecture arm.
[ 3.324693] systemd[1]: Set hostname to <octopi>.
[ 3.336042] systemd[1]: Failed to bump fs.file-max, ignoring: Invalid argument
[ 3.680655] systemd[1]: File /lib/systemd/system/systemd-journald.service:12 configures an IP firewall (IPAddressDeny=any), but the local system does not support BPF/cgroup based firewalling.
[ 3.689145] systemd[1]: Proceeding WITHOUT firewalling in effect! (This warning is only shown for the first loaded unit using IP firewalling.)
[ 4.164405] random: systemd: uninitialized urandom read (16 bytes read)
[ 4.178628] random: systemd: uninitialized urandom read (16 bytes read)
[ 4.182057] systemd[1]: Listening on initctl Compatibility Named Pipe.
[ 4.188912] random: systemd: uninitialized urandom read (16 bytes read)
[ 4.200391] systemd[1]: Listening on Syslog Socket.
[ 4.207584] systemd[1]: Listening on udev Control Socket.
[ 4.214377] systemd[1]: Listening on Journal Socket (/dev/log).
[ 4.916328] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
[ 5.065939] systemd-journald[106]: Received request to flush runtime journal from PID 1
[ 5.621343] vc_sm_cma: module is from the staging directory, the quality is unknown, you have been warned.
[ 5.624254] bcm2835_vc_sm_cma_probe: Videocore shared memory driver
[ 5.624273] [vc_sm_connected_init]: start
[ 5.627658] media: Linux media interface: v0.10
[ 5.629219] [vc_sm_connected_init]: installed successfully
[ 5.671609] videodev: Linux video capture interface: v2.00
[ 5.801934] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned.
[ 5.802051] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned.
[ 5.812837] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned.
[ 5.829211] bcm2835_audio soc:audio: card created with 8 channels
[ 5.830851] bcm2835_v4l2: module is from the staging directory, the quality is unknown, you have been warned.
[ 5.839899] bcm2835_codec: module is from the staging directory, the quality is unknown, you have been warned.
[ 5.973129] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[ 6.077761] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[ 6.150884] brcmfmac: F1 signature read @0x18000000=0x1541a9a6
[ 6.162041] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43430-sdio for chip BCM43430/1
[ 6.162397] usbcore: registered new interface driver brcmfmac
[ 6.366084] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43430-sdio for chip BCM43430/1
[ 6.366173] brcmfmac: brcmf_c_process_clm_blob: no clm_blob available (err=-2), device may have limited channels available
[ 6.366918] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM43430/1 wl0: Oct 23 2017 03:55:53 version 7.45.98.38 (r674442 CY) FWID 01-e58d219f
[ 6.473848] bcm2835-codec bcm2835-codec: Device registered as /dev/video10
[ 6.473893] bcm2835-codec bcm2835-codec: Loaded V4L2 decode
[ 6.479039] bcm2835-codec bcm2835-codec: Device registered as /dev/video11
[ 6.479081] bcm2835-codec bcm2835-codec: Loaded V4L2 encode
[ 6.483737] bcm2835-codec bcm2835-codec: Device registered as /dev/video12
[ 6.483794] bcm2835-codec bcm2835-codec: Loaded V4L2 isp
[ 7.911892] Under-voltage detected! (0x00050005)
[ 8.374894] uart-pl011 3f201000.serial: no DMA platform data
[ 8.492382] random: crng init done
[ 8.492415] random: 7 urandom warning(s) missed due to ratelimiting
[ 8.627884] 8021q: 802.1Q VLAN Support v1.8
[ 8.830054] Adding 102396k swap on /var/swap. Priority:-2 extents:1 across:102396k SSFS
[ 9.145005] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 9.145062] brcmfmac: power management disabled
[ 9.604070] smsc95xx 1-1.1:1.0 eth0: hardware isn't capable of remote wakeup
[ 9.604537] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 11.971255] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 13.595520] Bluetooth: Core ver 2.22
[ 13.595606] NET: Registered protocol family 31
[ 13.595614] Bluetooth: HCI device and connection manager initialized
[ 13.595637] Bluetooth: HCI socket layer initialized
[ 13.595651] Bluetooth: L2CAP socket layer initialized
[ 13.595694] Bluetooth: SCO socket layer initialized
[ 13.615253] Bluetooth: HCI UART driver ver 2.3
[ 13.615267] Bluetooth: HCI UART protocol H4 registered
[ 13.615390] Bluetooth: HCI UART protocol Three-wire (H5) registered
[ 13.615634] Bluetooth: HCI UART protocol Broadcom registered
[ 13.970598] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 13.970612] Bluetooth: BNEP filters: protocol multicast
[ 13.970641] Bluetooth: BNEP socket layer initialized
[ 91.110232] Voltage normalised (0x00000000)
[ 99.430059] Under-voltage detected! (0x00050005)
[ 105.669857] Voltage normalised (0x00000000)
[ 132.709676] Under-voltage detected! (0x00050005)
[ 138.949691] Voltage normalised (0x00000000)
[ 346.949936] rpi_firmware_get_throttled: 1 callbacks suppressed
[ 346.949944] Under-voltage detected! (0x00050005)
[ 373.989793] Under-voltage detected! (0x00050005)
[ 401.029780] Under-voltage detected! (0x00050005)
[ 405.189777] rpi_firmware_get_throttled: 3 callbacks suppressed
[ 405.189784] Voltage normalised (0x00000000)
[ 498.789843] Voltage normalised (0x00000000)
[ 567.429770] Voltage normalised (0x00000000)
[ 677.669775] rpi_firmware_get_throttled: 3 callbacks suppressed
[ 677.669784] Under-voltage detected! (0x00050005)
[ 690.149816] Under-voltage detected! (0x00050005)
[ 700.549776] Under-voltage detected! (0x00050005)
[ 708.869736] rpi_firmware_get_throttled: 3 callbacks suppressed
[ 708.869743] Voltage normalised (0x00000000)