And, after 18 hours+, I was able to archive a ZFS snapshot, using BorgBackup, with the WBT settings, suggested, earlier:

tyson@ubuntu:~$ sudo zfs send Yaesu@Crucial-2TB-1951E22FA633 |  borg create --stats BorgStore::Yaesu@Crucial-2TB-1951E22FA633 -
^[[A^[[A------------------------------------------------------------------------------
Archive name: Yaesu@Crucial-2TB-1951E22FA633
Archive fingerprint: 32d64e2a13eb543e4846cc34ac2c3609fe192127e3bf6d324a0fa9d61b988c19
Time (start): Tue, 2020-10-13 15:49:51
Time (end):   Wed, 2020-10-14 10:01:46
Duration: 18 hours 11 minutes 54.87 seconds
Number of files: 1
Utilization of max. archive size: 0%
------------------------------------------------------------------------------
                       Original size      Compressed size    Deduplicated size
This archive:                1.89 TB              1.75 TB            617.36 GB
All archives:                7.44 TB              5.87 TB              1.99 TB

                       Unique chunks         Total chunks
Chunk index:                  842436              2607257
------------------------------------------------------------------------------

The "dmesg" log is clean, too:

tyson@ubuntu:~$ dmesg
[    0.000000] Booting Linux on physical CPU 0x0000000000 [0x410fd083]
[    0.000000] Linux version 5.4.0-1018-raspi (buildd@bos02-arm64-052) (gcc version 9.3.0 (Ubuntu 9.3.0-10ubuntu2)) #20-Ubuntu SMP Sun Sep 6 05:11:16 UTC 2020 (Ubuntu 5.4.0-1018.20-raspi 5.4.55)
[    0.000000] Machine model: Raspberry Pi 4 Model B Rev 1.4
[    0.000000] efi: Getting EFI parameters from FDT:
[    0.000000] efi: UEFI not found.
[    0.000000] Reserved memory: created CMA memory pool at 0x000000002c000000, size 64 MiB
[    0.000000] OF: reserved mem: initialized node linux,cma, compatible id shared-dma-pool
[    0.000000] On node 0 totalpages: 2061312
[    0.000000]   DMA zone: 3792 pages used for memmap
[    0.000000]   DMA zone: 0 pages reserved
[    0.000000]   DMA zone: 242688 pages, LIFO batch:63
[    0.000000]   DMA32 zone: 12288 pages used for memmap
[    0.000000]   DMA32 zone: 770048 pages, LIFO batch:63
[    0.000000]   Normal zone: 16384 pages used for memmap
[    0.000000]   Normal zone: 1048576 pages, LIFO batch:63
[    0.000000] percpu: Embedded 32 pages/cpu s92120 r8192 d30760 u131072
[    0.000000] pcpu-alloc: s92120 r8192 d30760 u131072 alloc=32*4096
[    0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3
[    0.000000] Detected PIPT I-cache on CPU0
[    0.000000] CPU features: detected: EL2 vector hardening
[    0.000000] CPU features: kernel page table isolation forced ON by KASLR
[    0.000000] CPU features: detected: Kernel page table isolation (KPTI)
[    0.000000] ARM_SMCCC_ARCH_WORKAROUND_1 missing from firmware
[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 2028848
[    0.000000] Kernel command line:  coherent_pool=1M 8250.nr_uarts=1 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 snd_bcm2835.enable_headphones=1 bcm2708_fb.fbwidth=0 bcm2708_fb.fbheight=0 bcm2708_fb.fbswap=1 smsc95xx.macaddr=DC:A6:32:B8:1A:28 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000  net.ifnames=0 dwc_otg.lpm_enable=0 console=ttyS0,115200 console=tty1 root=LABEL=writable rootfstype=ext4 elevator=deadline rootwait fixrtc quiet splash
[    0.000000] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, linear)
[    0.000000] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, linear)
[    0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
[    0.000000] software IO TLB: mapped [mem 0x37400000-0x3b400000] (64MB)
[    0.000000] Memory: 7898140K/8245248K available (11772K kernel code, 1236K rwdata, 4244K rodata, 6144K init, 1076K bss, 281572K reserved, 65536K cma-reserved)
[    0.000000] random: get_random_u64 called from kmem_cache_open+0x38/0x3e0 with crng_init=0
[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
[    0.000000] ftrace: allocating 39001 entries in 153 pages
[    0.000000] rcu: Hierarchical RCU implementation.
[    0.000000]  Tasks RCU enabled.
[    0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies.
[    0.000000] NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0
[    0.000000] GIC: Using split EOI/Deactivate mode
[    0.000000] arch_timer: cp15 timer(s) running at 54.00MHz (phys).
[    0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0xc743ce346, max_idle_ns: 440795203123 ns
[    0.000005] sched_clock: 56 bits at 54MHz, resolution 18ns, wraps every 4398046511102ns
[    0.000200] Console: colour dummy device 80x25
[    0.000221] printk: console [tty1] enabled
[    0.000273] Calibrating delay loop (skipped), value calculated using timer frequency.. 108.00 BogoMIPS (lpj=216000)
[    0.000288] pid_max: default: 32768 minimum: 301
[    0.000495] LSM: Security Framework initializing
[    0.000543] Yama: becoming mindful.
[    0.000631] AppArmor: AppArmor initialized
[    0.000875] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, linear)
[    0.000961] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, linear)
[    0.001026] *** VALIDATE tmpfs ***
[    0.001632] *** VALIDATE proc ***
[    0.002150] Disabling memory control group subsystem
[    0.002218] *** VALIDATE cgroup1 ***
[    0.002228] *** VALIDATE cgroup2 ***
[    0.003429] ASID allocator initialised with 32768 entries
[    0.003591] rcu: Hierarchical SRCU implementation.
[    0.005624] EFI services will not be available.
[    0.006427] smp: Bringing up secondary CPUs ...
[    0.007280] Detected PIPT I-cache on CPU1
[    0.007335] CPU1: Booted secondary processor 0x0000000001 [0x410fd083]
[    0.008377] Detected PIPT I-cache on CPU2
[    0.008415] CPU2: Booted secondary processor 0x0000000002 [0x410fd083]
[    0.009370] Detected PIPT I-cache on CPU3
[    0.009406] CPU3: Booted secondary processor 0x0000000003 [0x410fd083]
[    0.009546] smp: Brought up 1 node, 4 CPUs
[    0.009555] SMP: Total of 4 processors activated.
[    0.009564] CPU features: detected: 32-bit EL0 Support
[    0.009574] CPU features: detected: CRC32 instructions
[    0.017157] CPU features: emulated: Privileged Access Never (PAN) using TTBR0_EL1 switching
[    0.017166] CPU: All CPU(s) started at EL2
[    0.017239] alternatives: patching kernel code
[    0.019244] devtmpfs: initialized
[    0.028419] Enabled cp15_barrier support
[    0.028445] Enabled setend support
[    0.028908] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
[    0.028929] futex hash table entries: 1024 (order: 4, 65536 bytes, linear)
[    0.030929] pinctrl core: initialized pinctrl subsystem
[    0.031535] DMI not present or invalid.
[    0.032220] NET: Registered protocol family 16
[    0.034585] DMA: preallocated 1024 KiB pool for atomic allocations
[    0.034603] audit: initializing netlink subsys (disabled)
[    0.034857] audit: type=2000 audit(0.032:1): state=initialized audit_enabled=0 res=1
[    0.035349] cpuidle: using governor ladder
[    0.035382] cpuidle: using governor menu
[    0.035848] hw-breakpoint: found 6 breakpoint and 4 watchpoint registers.
[    0.036171] Serial: AMBA PL011 UART driver
[    0.038724] bcm2835-mbox fe00b880.mailbox: mailbox enabled
[    0.052131] raspberrypi-firmware soc:firmware: Attached to firmware from 2020-06-01 13:23, variant start
[    0.056141] raspberrypi-firmware soc:firmware: Firmware hash is 6379679d1ec6a8c746d7e77e015f5b56b939976f
[    0.096220] bcm2835-dma fe007000.dma: DMA legacy API manager, dmachans=0x1
[    0.098992] iommu: Default domain type: Translated
[    0.100126] SCSI subsystem initialized
[    0.100600] libata version 3.00 loaded.
[    0.100820] usbcore: registered new interface driver usbfs
[    0.100861] usbcore: registered new interface driver hub
[    0.100932] usbcore: registered new device driver usb
[    0.101284] pps_core: LinuxPPS API ver. 1 registered
[    0.101292] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <email address hidden>
[    0.101308] PTP clock support registered
[    0.101593] EDAC MC: Ver: 3.0.0
[    0.102830] NetLabel: Initializing
[    0.102839] NetLabel:  domain hash size = 128
[    0.102845] NetLabel:  protocols = UNLABELED CIPSOv4 CALIPSO
[    0.102913] NetLabel:  unlabeled traffic allowed by default
[    0.103719] clocksource: Switched to clocksource arch_sys_counter
[    0.184409] *** VALIDATE bpf ***
[    0.184792] VFS: Disk quotas dquot_6.6.0
[    0.184877] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[    0.184992] *** VALIDATE ramfs ***
[    0.185516] AppArmor: AppArmor Filesystem Enabled
[    0.194525] thermal_sys: Registered thermal governor 'fair_share'
[    0.194530] thermal_sys: Registered thermal governor 'bang_bang'
[    0.194539] thermal_sys: Registered thermal governor 'step_wise'
[    0.194547] thermal_sys: Registered thermal governor 'user_space'
[    0.194554] thermal_sys: Registered thermal governor 'power_allocator'
[    0.195063] NET: Registered protocol family 2
[    0.195766] tcp_listen_portaddr_hash hash table entries: 4096 (order: 4, 65536 bytes, linear)
[    0.195831] TCP established hash table entries: 65536 (order: 7, 524288 bytes, linear)
[    0.196204] TCP bind hash table entries: 65536 (order: 8, 1048576 bytes, linear)
[    0.196993] TCP: Hash tables configured (established 65536 bind 65536)
[    0.197258] UDP hash table entries: 4096 (order: 5, 131072 bytes, linear)
[    0.197347] UDP-Lite hash table entries: 4096 (order: 5, 131072 bytes, linear)
[    0.197674] NET: Registered protocol family 1
[    0.197704] NET: Registered protocol family 44
[    0.197721] PCI: CLS 0 bytes, default 64
[    0.198005] Trying to unpack rootfs image as initramfs...
[    0.831154] Freeing initrd memory: 28956K
[    0.832702] hw perfevents: enabled with armv8_cortex_a72 PMU driver, 7 counters available
[    0.832898] kvm [1]: IPA Size Limit: 44bits
[    0.833778] kvm [1]: vgic interrupt IRQ1
[    0.833993] kvm [1]: Hyp mode initialized successfully
[    0.836076] Initialise system trusted keyrings
[    0.836125] Key type blacklist registered
[    0.836358] workingset: timestamp_bits=46 max_order=21 bucket_order=0
[    0.842797] zbud: loaded
[    0.844760] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[    0.845718] fuse: init (API version 7.31)
[    0.845818] *** VALIDATE fuse ***
[    0.845830] *** VALIDATE fuse ***
[    0.869524] Key type asymmetric registered
[    0.869533] Asymmetric key parser 'x509' registered
[    0.869575] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 242)
[    0.869897] io scheduler mq-deadline registered
[    0.873909] brcm-pcie fd500000.pcie: host bridge /scb/pcie@7d500000 ranges:
[    0.873927] brcm-pcie fd500000.pcie:   No bus range found for /scb/pcie@7d500000, using [bus 00-ff]
[    0.873973] brcm-pcie fd500000.pcie:      MEM 0x0600000000..0x0603ffffff -> 0x00f8000000
[    0.874018] brcm-pcie fd500000.pcie:   IB MEM 0x0000000000..0x00bfffffff -> 0x0000000000
[    0.937813] brcm-pcie fd500000.pcie: link up, 5 GT/s x1 (SSC)
[    0.938074] brcm-pcie fd500000.pcie: PCI host bridge to bus 0000:00
[    0.938086] pci_bus 0000:00: root bus resource [bus 00-ff]
[    0.938100] pci_bus 0000:00: root bus resource [mem 0x600000000-0x603ffffff] (bus address [0xf8000000-0xfbffffff])
[    0.938143] pci 0000:00:00.0: [14e4:2711] type 01 class 0x060400
[    0.938325] pci 0000:00:00.0: PME# supported from D0 D3hot
[    0.941686] pci 0000:00:00.0: bridge configuration invalid ([bus 00-00]), reconfiguring
[    0.941879] pci 0000:01:00.0: [1106:3483] type 00 class 0x0c0330
[    0.941939] pci 0000:01:00.0: reg 0x10: [mem 0x00000000-0x00000fff 64bit]
[    0.942119] pci 0000:01:00.0: PME# supported from D0 D3hot
[    0.945434] pci_bus 0000:01: busn_res: [bus 01-ff] end is updated to 01
[    0.945468] pci 0000:00:00.0: BAR 14: assigned [mem 0x600000000-0x6000fffff]
[    0.945483] pci 0000:01:00.0: BAR 0: assigned [mem 0x600000000-0x600000fff 64bit]
[    0.945511] pci 0000:00:00.0: PCI bridge to [bus 01]
[    0.945526] pci 0000:00:00.0:   bridge window [mem 0x600000000-0x6000fffff]
[    0.945765] pcieport 0000:00:00.0: enabling device (0000 -> 0002)
[    0.945947] pcieport 0000:00:00.0: PME: Signaling with IRQ 41
[    0.946291] pcieport 0000:00:00.0: AER: enabled with IRQ 41
[    0.946511] pci 0000:01:00.0: enabling device (0000 -> 0002)
[    1.001804] pci 0000:01:00.0: quirk_usb_early_handoff+0x0/0x720 took 53985 usecs
[    1.002176] bcm2708_fb soc:fb: Unable to determine number of FBs. Disabling driver.
[    1.002212] bcm2708_fb: probe of soc:fb failed with error -2
[    1.003979] raspberrypi-clk firmware-clocks: CPU frequency range: min 600000000, max 1500000000
[    1.062416] Serial: 8250/16550 driver, 1 ports, IRQ sharing enabled
[    1.064734] iproc-rng200 fe104000.rng: hwrng registered
[    1.065128] vc-mem: phys_addr:0x00000000 mem_base=0x3ec00000 mem_size:0x40000000(1024 MiB)
[    1.065885] gpiomem-bcm2835 fe200000.gpiomem: Initialised: Registers at 0xfe200000
[    1.066199] cacheinfo: Unable to detect cache hierarchy for CPU 0
[    1.401503] loop: module loaded
[    1.404011] spi-bcm2835 fe204000.spi: could not get clk: -517
[    1.405605] libphy: Fixed MDIO Bus: probed
[    1.405636] tun: Universal TUN/TAP device driver, 1.6
[    1.406202] bcmgenet fd580000.ethernet: failed to get enet clock
[    1.406216] bcmgenet fd580000.ethernet: GENET 5.0 EPHY: 0x0000
[    1.406231] bcmgenet fd580000.ethernet: failed to get enet-wol clock
[    1.406245] bcmgenet fd580000.ethernet: failed to get enet-eee clock
[    1.406264] bcmgenet: Skipping UMAC reset
[    1.415755] libphy: bcmgenet MII bus: probed
[    1.471800] unimac-mdio unimac-mdio.-19: Broadcom UniMAC MDIO bus
[    1.472588] PPP generic driver version 2.4.2
[    1.472839] usbcore: registered new interface driver lan78xx
[    1.472882] usbcore: registered new interface driver smsc95xx
[    1.472910] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    1.472932] ehci-pci: EHCI PCI platform driver
[    1.472990] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[    1.473005] ohci-pci: OHCI PCI platform driver
[    1.473044] uhci_hcd: USB Universal Host Controller Interface driver
[    1.473449] xhci_hcd 0000:01:00.0: xHCI Host Controller
[    1.473475] xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 1
[    1.474223] xhci_hcd 0000:01:00.0: hcc params 0x002841eb hci version 0x100 quirks 0x0000001000000890
[    1.475229] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.04
[    1.475241] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    1.475251] usb usb1: Product: xHCI Host Controller
[    1.475260] usb usb1: Manufacturer: Linux 5.4.0-1018-raspi xhci-hcd
[    1.475269] usb usb1: SerialNumber: 0000:01:00.0
[    1.475820] hub 1-0:1.0: USB hub found
[    1.475901] hub 1-0:1.0: 1 port detected
[    1.476446] xhci_hcd 0000:01:00.0: xHCI Host Controller
[    1.476464] xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 2
[    1.476483] xhci_hcd 0000:01:00.0: Host supports USB 3.0 SuperSpeed
[    1.476832] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.04
[    1.476844] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    1.476853] usb usb2: Product: xHCI Host Controller
[    1.476862] usb usb2: Manufacturer: Linux 5.4.0-1018-raspi xhci-hcd
[    1.476871] usb usb2: SerialNumber: 0000:01:00.0
[    1.477407] hub 2-0:1.0: USB hub found
[    1.477458] hub 2-0:1.0: 4 ports detected
[    1.478239] dwc_otg: version 3.00a 10-AUG-2012 (platform bus)
[    1.478480] dwc_otg: FIQ enabled
[    1.478487] dwc_otg: NAK holdoff enabled
[    1.478494] dwc_otg: FIQ split-transaction FSM enabled
[    1.478503] Module dwc_common_port init
[    1.478987] mousedev: PS/2 mouse device common for all mice
[    1.479383] i2c /dev entries driver
[    1.482159] bcm2835-wdt bcm2835-wdt: Broadcom BCM2835 watchdog timer
[    1.482355] device-mapper: uevent: version 1.0.3
[    1.482637] device-mapper: ioctl: 4.41.0-ioctl (2019-09-16) initialised: <email address hidden>
[    1.485561] sdhci: Secure Digital Host Controller Interface driver
[    1.485565] sdhci: Copyright(c) Pierre Ossman
[    1.485770] mmc-bcm2835 fe300000.mmcnr: could not get clk, deferring probe
[    1.485922] sdhci-pltfm: SDHCI platform and OF driver helper
[    1.487989] ledtrig-cpu: registered to indicate activity on CPUs
[    1.488049] hidraw: raw HID events driver (C) Jiri Kosina
[    1.488709] vchiq: vchiq_init_state: slot_zero = (____ptrval____)
[    1.490748] drop_monitor: Initializing network drop monitor service
[    1.491164] NET: Registered protocol family 10
[    1.507942] Segment Routing with IPv6
[    1.507999] NET: Registered protocol family 17
[    1.508114] Key type dns_resolver registered
[    1.508478] registered taskstats version 1
[    1.508505] Loading compiled-in X.509 certificates
[    1.509902] Loaded X.509 cert 'Build time autogenerated kernel key: daf325e3d8bfb8ea576a5d103e8a6320c9a8166a'
[    1.510079] Key type ._fscrypt registered
[    1.510082] Key type .fscrypt registered
[    1.526588] cryptd: max_cpu_qlen set to 1000
[    1.544500] Key type big_key registered
[    1.566751] Key type encrypted registered
[    1.566763] AppArmor: AppArmor sha1 policy hashing enabled
[    1.566782] ima: No TPM chip found, activating TPM-bypass!
[    1.566799] ima: Allocated hash algorithm: sha1
[    1.566818] ima: No architecture policies found
[    1.566862] evm: Initialising EVM extended attributes:
[    1.566865] evm: security.selinux
[    1.566868] evm: security.SMACK64
[    1.566870] evm: security.SMACK64EXEC
[    1.566873] evm: security.SMACK64TRANSMUTE
[    1.566875] evm: security.SMACK64MMAP
[    1.566878] evm: security.apparmor
[    1.566880] evm: security.ima
[    1.566883] evm: security.capability
[    1.566886] evm: HMAC attrs: 0x1
[    1.570891] uart-pl011 fe201000.serial: cts_event_workaround enabled
[    1.570944] fe201000.serial: ttyAMA0 at MMIO 0xfe201000 (irq = 14, base_baud = 0) is a PL011 rev2
[    1.575680] printk: console [ttyS0] disabled
[    1.575725] fe215040.serial: ttyS0 at MMIO 0x0 (irq = 16, base_baud = 62500000) is a 16550
[    1.589354] printk: console [ttyS0] enabled
[    1.589679] bcm2835-power bcm2835-power: Broadcom BCM2835 power domains driver
[    1.591197] mmc-bcm2835 fe300000.mmcnr: mmc_debug:0 mmc_debug2:0
[    1.591202] mmc-bcm2835 fe300000.mmcnr: DMA channel allocated
[    1.640733] mmc1: queuing unknown CIS tuple 0x80 (2 bytes)
[    1.642240] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[    1.643748] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[    1.646453] mmc1: queuing unknown CIS tuple 0x80 (7 bytes)
[    1.647960] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[    1.652937] mmc0: SDHCI controller on fe340000.emmc2 [fe340000.emmc2] using ADMA
[    1.653782] hctosys: unable to open rtc device (rtc0)
[    1.654046] of_cfs_init
[    1.654110] of_cfs_init: OK
[    1.661611] Freeing unused kernel memory: 6144K
[    1.687727] random: fast init done
[    1.689173] Checked W+X mappings: passed, no W+X pages found
[    1.689179] Run /init as init process
[    1.708223] mmc1: new high speed SDIO card at address 0001
[    1.741100] random: systemd-udevd: uninitialized urandom read (16 bytes read)
[    1.743908] random: systemd-udevd: uninitialized urandom read (16 bytes read)
[    1.743942] random: systemd-udevd: uninitialized urandom read (16 bytes read)
[    1.754555] mmc0: new ultra high speed DDR50 SDXC card at address 59b4
[    1.755257] mmcblk0: mmc0:59b4       238 GiB
[    1.758964]  mmcblk0: p1 p2
[    1.815755] usb 1-1: new high-speed USB device number 2 using xhci_hcd
[    1.966106] usb 1-1: New USB device found, idVendor=2109, idProduct=3431, bcdDevice= 4.21
[    1.966113] usb 1-1: New USB device strings: Mfr=0, Product=1, SerialNumber=0
[    1.966117] usb 1-1: Product: USB2.0 Hub
[    1.967287] hub 1-1:1.0: USB hub found
[    1.967556] hub 1-1:1.0: 4 ports detected
[    2.092101] usb 2-2: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd
[    2.114923] usb 2-2: New USB device found, idVendor=05e3, idProduct=0620, bcdDevice=92.26
[    2.114930] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[    2.114935] usb 2-2: Product: USB3.1 Hub
[    2.114939] usb 2-2: Manufacturer: GenesysLogic
[    2.117582] hub 2-2:1.0: USB hub found
[    2.117903] hub 2-2:1.0: 4 ports detected
[    2.246686] usb_phy_generic phy: phy supply vcc not found, using dummy regulator
[    2.259773] usb 1-1.2: new high-speed USB device number 3 using xhci_hcd
[    2.363313] usb 1-1.2: New USB device found, idVendor=05e3, idProduct=0610, bcdDevice=92.26
[    2.363321] usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[    2.363325] usb 1-1.2: Product: USB2.0 Hub
[    2.363330] usb 1-1.2: Manufacturer: GenesysLogic
[    2.364748] hub 1-1.2:1.0: USB hub found
[    2.365163] hub 1-1.2:1.0: 4 ports detected
[    2.440186] usb 2-2.3: new SuperSpeed Gen 1 USB device number 3 using xhci_hcd
[    2.463121] usb 2-2.3: New USB device found, idVendor=05e3, idProduct=0620, bcdDevice=92.26
[    2.463128] usb 2-2.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[    2.463133] usb 2-2.3: Product: USB3.1 Hub
[    2.463137] usb 2-2.3: Manufacturer: GenesysLogic
[    2.466563] hub 2-2.3:1.0: USB hub found
[    2.466965] hub 2-2.3:1.0: 4 ports detected
[    4.868217] hub 2-2.3:1.0: hub_ext_port_status failed (err = -71)
[    4.874652] usb 2-2.3-port4: cannot reset (err = -71)
[    4.880037] usb 2-2.3-port4: cannot reset (err = -71)
[    4.885443] usb 2-2.3-port4: cannot reset (err = -71)
[    4.890804] usb 2-2.3-port4: cannot reset (err = -71)
[    4.896167] usb 2-2.3-port4: cannot reset (err = -71)
[    4.901331] usb 2-2.3-port4: Cannot enable. Maybe the USB cable is bad?
[    4.908270] usb 2-2.3-port4: cannot disable (err = -71)
[    4.991719] usb 1-1.2.3: new high-speed USB device number 5 using xhci_hcd
[    5.093062] hub 2-2.3:1.0: hub_ext_port_status failed (err = -71)
[    5.099576] usb 2-2.3-port4: cannot reset (err = -71)
[    5.105029] usb 2-2.3-port4: cannot reset (err = -71)
[    5.110457] usb 2-2.3-port4: cannot reset (err = -71)
[    5.115907] usb 2-2.3-port4: cannot reset (err = -71)
[    5.121116] usb 1-1.2.3: New USB device found, idVendor=05e3, idProduct=0610, bcdDevice=92.26
[    5.121121] usb 1-1.2.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[    5.121125] usb 1-1.2.3: Product: USB2.0 Hub
[    5.121129] usb 1-1.2.3: Manufacturer: GenesysLogic
[    5.121455] usb 2-2.3-port4: cannot reset (err = -71)
[    5.126628] usb 2-2.3-port4: Cannot enable. Maybe the USB cable is bad?
[    5.133879] usb 2-2.3-port4: cannot disable (err = -71)
[    5.139357] hub 1-1.2.3:1.0: USB hub found
[    5.139442] usb 2-2.3-port4: attempt power cycle
[    5.139609] usb 2-2.3-port4: failed to disable port power
[    5.139648] hub 1-1.2.3:1.0: 4 ports detected
[    5.140255] hub 2-2.3:1.0: hub_ext_port_status failed (err = -71)
[    5.147042] usb 2-2.3-port4: cannot reset (err = -71)
[    5.152614] usb 2-2.3-port4: cannot reset (err = -71)
[    5.158061] usb 2-2.3-port4: cannot reset (err = -71)
[    5.163528] usb 2-2.3-port4: cannot reset (err = -71)
[    5.169035] usb 2-2.3-port4: cannot reset (err = -71)
[    5.174240] usb 2-2.3-port4: Cannot enable. Maybe the USB cable is bad?
[    5.181212] usb 2-2.3-port4: cannot disable (err = -71)
[    5.187083] hub 2-2.3:1.0: hub_ext_port_status failed (err = -71)
[    5.193577] usb 2-2.3-port4: cannot reset (err = -71)
[    5.198971] usb 2-2.3-port4: cannot reset (err = -71)
[    5.204364] usb 2-2.3-port4: cannot reset (err = -71)
[    5.209770] usb 2-2.3-port4: cannot reset (err = -71)
[    5.215161] usb 2-2.3-port4: cannot reset (err = -71)
[    5.220328] usb 2-2.3-port4: Cannot enable. Maybe the USB cable is bad?
[    5.227270] usb 2-2.3-port4: cannot disable (err = -71)
[    5.232681] usb 2-2.3-port4: unable to enumerate USB device
[    5.238636] usb 2-2.3-port4: cannot disable (err = -71)
[    5.244227] hub 2-2.3:1.0: hub_ext_port_status failed (err = -71)
[    5.250720] hub 2-2.3:1.0: hub_ext_port_status failed (err = -71)
[    5.257211] hub 2-2.3:1.0: hub_ext_port_status failed (err = -71)
[    5.263670] hub 2-2.3:1.0: hub_ext_port_status failed (err = -71)
[    5.271752] usb 2-2.3: Failed to suspend device, error -71
[    8.119717] raid6: neonx8   gen()  3236 MB/s
[    8.167701] raid6: neonx8   xor()  2854 MB/s
[    8.215721] raid6: neonx4   gen()  2654 MB/s
[    8.263699] raid6: neonx4   xor()  2371 MB/s
[    8.311714] raid6: neonx2   gen()  2333 MB/s
[    8.359709] raid6: neonx2   xor()  2334 MB/s
[    8.407703] raid6: neonx1   gen()  1849 MB/s
[    8.455714] raid6: neonx1   xor()  1740 MB/s
[    8.503710] raid6: int64x8  gen()  1750 MB/s
[    8.551705] raid6: int64x8  xor()  1247 MB/s
[    8.599720] raid6: int64x4  gen()  1551 MB/s
[    8.647720] raid6: int64x4  xor()  1162 MB/s
[    8.695699] raid6: int64x2  gen()  1162 MB/s
[    8.743701] raid6: int64x2  xor()  1019 MB/s
[    8.791760] raid6: int64x1  gen()   851 MB/s
[    8.839742] raid6: int64x1  xor()   698 MB/s
[    8.839746] raid6: using algorithm neonx8 gen() 3236 MB/s
[    8.839749] raid6: .... xor() 2854 MB/s, rmw enabled
[    8.839752] raid6: using neon recovery algorithm
[    8.843270] xor: measuring software checksum speed
[    8.879701]    8regs     :  5943.000 MB/sec
[    8.919700]    32regs    :  6778.000 MB/sec
[    8.959699]    arm64_neon:  6297.000 MB/sec
[    8.959703] xor: using function: 32regs (6778.000 MB/sec)
[    8.961529] async_tx: api initialized (async)
[    9.111892] Btrfs loaded, crc32c=crc32c-generic
[    9.277984] EXT4-fs (mmcblk0p2): INFO: recovery required on readonly filesystem
[    9.277990] EXT4-fs (mmcblk0p2): write access will be enabled during recovery
[    9.333470] EXT4-fs (mmcblk0p2): orphan cleanup on readonly fs
[    9.334520] EXT4-fs (mmcblk0p2): 1 orphan inode deleted
[    9.334525] EXT4-fs (mmcblk0p2): recovery complete
[    9.363343] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
[    9.965216] systemd[1]: System time before build time, advancing clock.
[   10.009622] systemd[1]: Inserted module 'autofs4'
[   10.076208] systemd[1]: systemd 245.4-4ubuntu3.2 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)
[   10.076875] systemd[1]: Detected architecture arm64.
[   10.141253] systemd[1]: Set hostname to <ubuntu>.
[   10.827061] systemd[1]: /lib/systemd/system/dbus.socket:5: ListenStream= references a path below legacy directory /var/run/, updating /var/run/dbus/system_bus_socket → /run/dbus/system_bus_socket; please update the unit file accordingly.
[   11.004524] systemd[1]: Created slice system-modprobe.slice.
[   11.005732] systemd[1]: Created slice system-serial\x2dgetty.slice.
[   11.006721] systemd[1]: Created slice system-systemd\x2dfsck.slice.
[   11.007672] systemd[1]: Created slice User and Session Slice.
[   11.007973] systemd[1]: Started Forward Password Requests to Wall Directory Watch.
[   11.013612] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point.
[   11.013787] systemd[1]: Reached target User and Group Name Lookups.
[   11.013842] systemd[1]: Reached target Slices.
[   11.013887] systemd[1]: Reached target Swap.
[   11.014216] systemd[1]: Listening on Device-mapper event daemon FIFOs.
[   11.014578] systemd[1]: Listening on LVM2 poll daemon socket.
[   11.014803] systemd[1]: Listening on multipathd control socket.
[   11.018924] systemd[1]: Listening on Syslog Socket.
[   11.019276] systemd[1]: Listening on fsck to fsckd communication Socket.
[   11.019480] systemd[1]: Listening on initctl Compatibility Named Pipe.
[   11.020126] systemd[1]: Listening on Journal Audit Socket.
[   11.020467] systemd[1]: Listening on Journal Socket (/dev/log).
[   11.020882] systemd[1]: Listening on Journal Socket.
[   11.021322] systemd[1]: Listening on Network Service Netlink Socket.
[   11.021659] systemd[1]: Listening on udev Control Socket.
[   11.021907] systemd[1]: Listening on udev Kernel Socket.
[   11.022225] systemd[1]: Condition check resulted in Huge Pages File System being skipped.
[   11.025679] systemd[1]: Mounting POSIX Message Queue File System...
[   11.029836] systemd[1]: Mounting Kernel Debug File System...
[   11.034415] systemd[1]: Mounting Kernel Trace File System...
[   11.039854] systemd[1]: Starting Journal Service...
[   11.044191] systemd[1]: Starting Set the console keyboard layout...
[   11.048693] systemd[1]: Starting Create list of static device nodes for the current kernel...
[   11.053094] systemd[1]: Starting Monitoring of LVM2 mirrors, snapshots etc. using dmeventd or progress polling...
[   11.057390] systemd[1]: Starting Load Kernel Module drm...
[   11.062961] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped.
[   11.069981] systemd[1]: Starting Load Kernel Modules...
[   11.075227] systemd[1]: Starting Remount Root and Kernel File Systems...
[   11.081848] systemd[1]: Starting udev Coldplug all Devices...
[   11.087503] systemd[1]: Starting Uncomplicated firewall...
[   11.094061] systemd[1]: Mounted POSIX Message Queue File System.
[   11.094919] systemd[1]: Mounted Kernel Debug File System.
[   11.095756] systemd[1]: Mounted Kernel Trace File System.
[   11.099842] systemd[1]: Finished Create list of static device nodes for the current kernel.
[   11.116410] systemd[1]: Finished Load Kernel Modules.
[   11.121583] systemd[1]: Mounting FUSE Control File System...
[   11.121973] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
[   11.127210] systemd[1]: Mounting Kernel Configuration File System...
[   11.132637] systemd[1]: Starting Apply Kernel Variables...
[   11.141022] systemd[1]: <email address hidden>: Succeeded.
[   11.142229] systemd[1]: Finished Load Kernel Module drm.
[   11.145434] systemd[1]: Finished Remount Root and Kernel File Systems.
[   11.148843] systemd[1]: Finished Uncomplicated firewall.
[   11.150102] systemd[1]: Mounted FUSE Control File System.
[   11.151000] systemd[1]: Mounted Kernel Configuration File System.
[   11.155451] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped.
[   11.155615] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped.
[   11.159461] systemd[1]: Starting Create System Users...
[   11.210271] systemd[1]: Finished Apply Kernel Variables.
[   11.216929] systemd[1]: Finished Create System Users.
[   11.221269] systemd[1]: Starting Create Static Device Nodes in /dev...
[   11.237166] systemd[1]: Started Journal Service.
[   11.257804] systemd-journald[913]: Received client request to flush runtime journal.
[   11.262582] systemd-journald[913]: File /var/log/journal/a28cc28ac29c441eb2ec6e58ff3c1e7d/system.journal corrupted or uncleanly shut down, renaming and replacing.
[   12.123429] rpivid-mem feb00000.hevc-decoder: rpivid-hevcmem initialised: Registers at 0xfeb00000 length 0x00010000
[   12.123687] rpivid-mem feb10000.rpivid-local-intc: rpivid-intcmem initialised: Registers at 0xfeb10000 length 0x00001000
[   12.125806] rpivid-mem feb20000.h264-decoder: rpivid-h264mem initialised: Registers at 0xfeb20000 length 0x00010000
[   12.128722] rpivid-mem feb30000.vp9-decoder: rpivid-vp9mem initialised: Registers at 0xfeb30000 length 0x00010000
[   12.234167] vc_sm_cma: module is from the staging directory, the quality is unknown, you have been warned.
[   12.234621] vc_sm_cma: module verification failed: signature and/or required key missing - tainting kernel
[   12.235659] bcm2835_vc_sm_cma_probe: Videocore shared memory driver
[   12.235667] [vc_sm_connected_init]: start
[   12.241255] [vc_sm_connected_init]: installed successfully
[   12.272579] mc: Linux media interface: v0.10
[   12.329498] videodev: Linux video capture interface: v2.00
[   12.386248] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned.
[   12.404428] bcm2835_audio bcm2835_audio: card created with 8 channels
[   12.410287] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[   12.417090] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned.
[   12.421233] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[   12.437479] bcm2835_v4l2: module is from the staging directory, the quality is unknown, you have been warned.
[   12.447567] bcm2835_isp: module is from the staging directory, the quality is unknown, you have been warned.
[   12.454393] bcm2835_codec: module is from the staging directory, the quality is unknown, you have been warned.
[   12.458932] bcm2835-isp bcm2835-isp: Device node output[0] registered as /dev/video13
[   12.459206] bcm2835-isp bcm2835-isp: Device node capture[0] registered as /dev/video14
[   12.459402] bcm2835-isp bcm2835-isp: Device node capture[1] registered as /dev/video15
[   12.459565] bcm2835-isp bcm2835-isp: Device node stats[2] registered as /dev/video16
[   12.459580] bcm2835-isp bcm2835-isp: Register output node 0 with media controller
[   12.459587] bcm2835-isp bcm2835-isp: Register capture node 1 with media controller
[   12.459592] bcm2835-isp bcm2835-isp: Register capture node 2 with media controller
[   12.459597] bcm2835-isp bcm2835-isp: Register capture node 3 with media controller
[   12.461219] bcm2835-isp bcm2835-isp: Loaded V4L2 bcm2835-isp
[   12.462728] bcm2835-codec bcm2835-codec: Device registered as /dev/video10
[   12.462755] bcm2835-codec bcm2835-codec: Loaded V4L2 decode
[   12.468173] bcm2835-codec bcm2835-codec: Device registered as /dev/video11
[   12.468195] bcm2835-codec bcm2835-codec: Loaded V4L2 encode
[   12.474592] bcm2835-codec bcm2835-codec: Device registered as /dev/video12
[   12.474622] bcm2835-codec bcm2835-codec: Loaded V4L2 isp
[   12.553670] brcmfmac: F1 signature read @0x18000000=0x15264345
[   12.561680] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6
[   12.572408] usbcore: registered new interface driver brcmfmac
[   12.738135] Bluetooth: Core ver 2.22
[   12.738252] NET: Registered protocol family 31
[   12.738256] Bluetooth: HCI device and connection manager initialized
[   12.738268] Bluetooth: HCI socket layer initialized
[   12.738274] Bluetooth: L2CAP socket layer initialized
[   12.738291] Bluetooth: SCO socket layer initialized
[   12.850856] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6
[   12.871797] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM4345/6 wl0: Mar  2 2020 23:30:41 version 7.45.202 (r724630 CY) FWID 01-72f6ece2
[   14.582507] alua: device handler registered
[   14.585419] emc: device handler registered
[   14.589018] spl: loading out-of-tree module taints kernel.
[   14.594050] rdac: device handler registered
[   14.602239] znvpair: module license 'CDDL' taints kernel.
[   14.602245] Disabling lock debugging due to kernel taint
[   16.605104] ZFS: Loaded module v0.8.3-1ubuntu12.4, ZFS pool version 5000, ZFS filesystem version 5
[   18.933622] audit: type=1400 audit(1585761830.963:2): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/bin/lxc-start" pid=2014 comm="apparmor_parser"
[   18.937321] audit: type=1400 audit(1585761830.967:3): apparmor="STATUS" operation="profile_load" profile="unconfined" name="lsb_release" pid=2016 comm="apparmor_parser"
[   18.950602] audit: type=1400 audit(1585761830.979:4): apparmor="STATUS" operation="profile_load" profile="unconfined" name="ippusbxd" pid=2018 comm="apparmor_parser"
[   18.952433] audit: type=1400 audit(1585761830.983:5): apparmor="STATUS" operation="profile_load" profile="unconfined" name="nvidia_modprobe" pid=2019 comm="apparmor_parser"
[   18.952447] audit: type=1400 audit(1585761830.983:6): apparmor="STATUS" operation="profile_load" profile="unconfined" name="nvidia_modprobe//kmod" pid=2019 comm="apparmor_parser"
[   18.964805] audit: type=1400 audit(1585761830.995:7): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/sbin/tcpdump" pid=2017 comm="apparmor_parser"
[   18.970033] random: crng init done
[   18.970040] random: 7 urandom warning(s) missed due to ratelimiting
[   18.979695] audit: type=1400 audit(1585761831.007:8): apparmor="STATUS" operation="profile_load" profile="unconfined" name="lxc-container-default" pid=2020 comm="apparmor_parser"
[   18.979752] audit: type=1400 audit(1585761831.007:9): apparmor="STATUS" operation="profile_load" profile="unconfined" name="lxc-container-default-cgns" pid=2020 comm="apparmor_parser"
[   18.979761] audit: type=1400 audit(1585761831.007:10): apparmor="STATUS" operation="profile_load" profile="unconfined" name="lxc-container-default-with-mounting" pid=2020 comm="apparmor_parser"
[   18.979769] audit: type=1400 audit(1585761831.007:11): apparmor="STATUS" operation="profile_load" profile="unconfined" name="lxc-container-default-with-nesting" pid=2020 comm="apparmor_parser"
[   22.221781] bcmgenet: Skipping UMAC reset
[   22.223394] bcmgenet fd580000.ethernet: configuring instance for external RGMII
[   22.223607] bcmgenet fd580000.ethernet eth0: Link is Down
[   24.883879] new mount options do not match the existing superblock, will be ignored
[   26.539588] brcmfmac: brcmf_cfg80211_set_power_mgmt: power save enabled
[   27.331813] bcmgenet fd580000.ethernet eth0: Link is Up - 1Gbps/Full - flow control rx/tx
[   27.331845] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[   29.390012] bpfilter: Loaded bpfilter_umh pid 2348
[   29.390888] Started bpfilter
[   29.497622] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[   30.157362] kauditd_printk_skb: 27 callbacks suppressed
[   30.157367] audit: type=1400 audit(1602603838.885:39): apparmor="STATUS" operation="profile_replace" info="same as current profile, skipping" profile="unconfined" name="/usr/bin/lxc-start" pid=2449 comm="apparmor_parser"
[   30.232010] audit: type=1400 audit(1602603838.961:40): apparmor="STATUS" operation="profile_replace" info="same as current profile, skipping" profile="unconfined" name="lxc-container-default" pid=2453 comm="apparmor_parser"
[   30.232034] audit: type=1400 audit(1602603838.961:41): apparmor="STATUS" operation="profile_replace" info="same as current profile, skipping" profile="unconfined" name="lxc-container-default-cgns" pid=2453 comm="apparmor_parser"
[   30.232044] audit: type=1400 audit(1602603838.961:42): apparmor="STATUS" operation="profile_replace" info="same as current profile, skipping" profile="unconfined" name="lxc-container-default-with-mounting" pid=2453 comm="apparmor_parser"
[   30.232052] audit: type=1400 audit(1602603838.961:43): apparmor="STATUS" operation="profile_replace" info="same as current profile, skipping" profile="unconfined" name="lxc-container-default-with-nesting" pid=2453 comm="apparmor_parser"
[   41.625634] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[   41.625643] Bluetooth: BNEP filters: protocol multicast
[   41.625658] Bluetooth: BNEP socket layer initialized
[   55.912002] audit: type=1400 audit(1602603864.641:44): apparmor="STATUS" operation="profile_replace" info="same as current profile, skipping" profile="unconfined" name="/snap/snapd/9611/usr/lib/snapd/snap-confine" pid=3037 comm="apparmor_parser"
[   55.912018] audit: type=1400 audit(1602603864.641:45): apparmor="STATUS" operation="profile_replace" info="same as current profile, skipping" profile="unconfined" name="/snap/snapd/9611/usr/lib/snapd/snap-confine//mount-namespace-capture-helper" pid=3037 comm="apparmor_parser"
[   56.404430] audit: type=1400 audit(1602603865.133:46): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="snap.lxd.benchmark" pid=3040 comm="apparmor_parser"
[   56.450287] audit: type=1400 audit(1602603865.177:47): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="snap.lxd.buginfo" pid=3041 comm="apparmor_parser"
[   56.455783] audit: type=1400 audit(1602603865.181:48): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="snap.lxd.activate" pid=3039 comm="apparmor_parser"
[   56.462969] audit: type=1400 audit(1602603865.189:49): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="snap.lxd.check-kernel" pid=3042 comm="apparmor_parser"
[   56.913449] audit: type=1400 audit(1602603865.641:50): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="snap.lxd.hook.install" pid=3045 comm="apparmor_parser"
[   56.947414] audit: type=1400 audit(1602603865.673:51): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="snap.lxd.hook.remove" pid=3046 comm="apparmor_parser"
[   57.089065] audit: type=1400 audit(1602603865.817:52): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="snap.lxd.daemon" pid=3043 comm="apparmor_parser"
[   57.149820] audit: type=1400 audit(1602603865.877:53): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="snap.lxd.hook.configure" pid=3044 comm="apparmor_parser"
[   59.808414] usb 1-1.2: USB disconnect, device number 3
[   59.808427] usb 1-1.2.3: USB disconnect, device number 5
[   60.032142] usb 2-2: USB disconnect, device number 2
[   60.032153] usb 2-2.3: USB disconnect, device number 3
[   62.024092] usb 2-2: new SuperSpeed Gen 1 USB device number 8 using xhci_hcd
[   62.049124] usb 2-2: New USB device found, idVendor=05e3, idProduct=0620, bcdDevice=92.26
[   62.049132] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[   62.049136] usb 2-2: Product: USB3.1 Hub
[   62.049141] usb 2-2: Manufacturer: GenesysLogic
[   62.051982] hub 2-2:1.0: USB hub found
[   62.052334] hub 2-2:1.0: 4 ports detected
[   62.127762] usb 1-1.2: new high-speed USB device number 7 using xhci_hcd
[   62.230938] usb 1-1.2: New USB device found, idVendor=05e3, idProduct=0610, bcdDevice=92.26
[   62.230953] usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[   62.230963] usb 1-1.2: Product: USB2.0 Hub
[   62.230973] usb 1-1.2: Manufacturer: GenesysLogic
[   62.232873] hub 1-1.2:1.0: USB hub found
[   62.233312] hub 1-1.2:1.0: 4 ports detected
[   62.340267] usb 2-2.3: new SuperSpeed Gen 1 USB device number 9 using xhci_hcd
[   62.362957] usb 2-2.3: New USB device found, idVendor=05e3, idProduct=0620, bcdDevice=92.26
[   62.362968] usb 2-2.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[   62.362973] usb 2-2.3: Product: USB3.1 Hub
[   62.362977] usb 2-2.3: Manufacturer: GenesysLogic
[   62.366645] hub 2-2.3:1.0: USB hub found
[   62.367038] hub 2-2.3:1.0: 4 ports detected
[   63.324113] usb 1-1.2-port1: Cannot enable. Maybe the USB cable is bad?
[   63.411803] usb 2-2.3.4: new SuperSpeed Gen 1 USB device number 10 using xhci_hcd
[   63.433006] usb 2-2.3.4: New USB device found, idVendor=1c04, idProduct=0013, bcdDevice=61.08
[   63.433014] usb 2-2.3.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[   63.433018] usb 2-2.3.4: Product: TR-004
[   63.433023] usb 2-2.3.4: Manufacturer: QNAP Systems, Inc.
[   63.433026] usb 2-2.3.4: SerialNumber: 51323032493034393139
[   63.589318] usb-storage 2-2.3.4:1.0: USB Mass Storage device detected
[   63.589718] scsi host0: usb-storage 2-2.3.4:1.0
[   63.590085] usbcore: registered new interface driver usb-storage
[   63.595578] usbcore: registered new interface driver uas
[   64.611962] scsi 0:0:0:0: Direct-Access     QNAP     TR-004 DISK00    6108 PQ: 0 ANSI: 6
[   64.612234] scsi 0:0:0:1: Direct-Access     QNAP     TR-004 DISK01    6108 PQ: 0 ANSI: 6
[   64.612494] scsi 0:0:0:2: Direct-Access     QNAP     TR-004 DISK02    6108 PQ: 0 ANSI: 6
[   64.612773] scsi 0:0:0:3: Direct-Access     QNAP     TR-004 DISK03    6108 PQ: 0 ANSI: 6
[   64.613589] sd 0:0:0:0: Attached scsi generic sg0 type 0
[   64.613847] sd 0:0:0:0: [sda] Very big device. Trying to use READ CAPACITY(16).
[   64.614048] sd 0:0:0:1: Attached scsi generic sg1 type 0
[   64.614160] sd 0:0:0:0: [sda] 7814037168 512-byte logical blocks: (4.00 TB/3.64 TiB)
[   64.614165] sd 0:0:0:0: [sda] 4096-byte physical blocks
[   64.614535] scsi 0:0:0:2: Attached scsi generic sg2 type 0
[   64.614813] sd 0:0:0:0: [sda] Write Protect is off
[   64.614820] sd 0:0:0:0: [sda] Mode Sense: 47 00 00 08
[   64.614904] scsi 0:0:0:3: Attached scsi generic sg3 type 0
[   64.615487] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[   64.615870] sd 0:0:0:3: [sdd] 3907029168 512-byte logical blocks: (2.00 TB/1.82 TiB)
[   64.616452] sd 0:0:0:3: [sdd] Write Protect is off
[   64.616459] sd 0:0:0:3: [sdd] Mode Sense: 47 00 00 08
[   64.617090] sd 0:0:0:3: [sdd] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[   64.617440] sd 0:0:0:1: [sdb] Very big device. Trying to use READ CAPACITY(16).
[   64.617628] sd 0:0:0:1: [sdb] 7814037168 512-byte logical blocks: (4.00 TB/3.64 TiB)
[   64.617633] sd 0:0:0:1: [sdb] 4096-byte physical blocks
[   64.617874] sd 0:0:0:2: [sdc] 3907029168 512-byte logical blocks: (2.00 TB/1.82 TiB)
[   64.618454] sd 0:0:0:1: [sdb] Write Protect is off
[   64.618460] sd 0:0:0:1: [sdb] Mode Sense: 47 00 00 08
[   64.619076] sd 0:0:0:1: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[   64.619708] sd 0:0:0:2: [sdc] Write Protect is off
[   64.619715] sd 0:0:0:2: [sdc] Mode Sense: 47 00 00 08
[   64.620319] sd 0:0:0:2: [sdc] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[   64.955264] usb 1-1.2.3: new high-speed USB device number 10 using xhci_hcd
[   65.058303] usb 1-1.2.3: New USB device found, idVendor=05e3, idProduct=0610, bcdDevice=92.26
[   65.058314] usb 1-1.2.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[   65.058320] usb 1-1.2.3: Product: USB2.0 Hub
[   65.058326] usb 1-1.2.3: Manufacturer: GenesysLogic
[   65.059755] hub 1-1.2.3:1.0: USB hub found
[   65.060055] hub 1-1.2.3:1.0: 4 ports detected
[   67.405641]  sdb: sdb1 sdb2
[   67.406736]  sda: sda1 sda9
[   67.408930]  sdc: sdc1 sdc9
[   67.409282]  sdd: sdd1 sdd9
[   67.411808] sd 0:0:0:1: [sdb] Attached SCSI disk
[   67.413715] sd 0:0:0:3: [sdd] Attached SCSI disk
[   67.417371] sd 0:0:0:0: [sda] Attached SCSI disk
[   67.418774] sd 0:0:0:2: [sdc] Attached SCSI disk
[  152.054074] Adding 16777212k swap on /dev/zd0.  Priority:-2 extents:1 across:16777212k SSFS
[51990.647347] usb 2-2.2: new SuperSpeed Gen 1 USB device number 11 using xhci_hcd
[51990.668512] usb 2-2.2: New USB device found, idVendor=0bc2, idProduct=2323, bcdDevice= 0.00
[51990.668521] usb 2-2.2: New USB device strings: Mfr=2, Product=3, SerialNumber=1
[51990.668525] usb 2-2.2: Product: Expansion+
[51990.668530] usb 2-2.2: Manufacturer: Seagate
[51990.668533] usb 2-2.2: SerialNumber: NAAG1HY5
[51990.679192] scsi host1: uas
[51990.680252] scsi 1:0:0:0: Direct-Access     Seagate  Expansion+       9300 PQ: 0 ANSI: 6
[51990.681404] sd 1:0:0:0: Attached scsi generic sg4 type 0
[51990.681919] sd 1:0:0:0: [sde] 3907029167 512-byte logical blocks: (2.00 TB/1.82 TiB)
[51990.692315] sd 1:0:0:0: [sde] Write Protect is off
[51990.692334] sd 1:0:0:0: [sde] Mode Sense: 4f 00 00 00
[51990.692720] sd 1:0:0:0: [sde] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[51990.693419] sd 1:0:0:0: [sde] Optimal transfer size 33553920 bytes
[51990.721648] Alternate GPT is invalid, using primary GPT.
[51990.721673]  sde: sde1 sde9
[51990.726624] sd 1:0:0:0: [sde] Attached SCSI disk
[52129.156219]  sde: sde1 sde9
tyson@ubuntu:~$

Hopefully, this is more than a one-off...