It is seems to be not fixed?
armbianmonitor -u: http://ix.io/3tOi (sorry for gzipped 1.txt.gz - ix.io does not accept file size 1MBytes)
Jul 23 12:32:10 localhost kernel: [ 116.970137] ------------[ cut here ]------------
Jul 23 12:32:10 localhost kernel: [ 116.970215] NETDEV WATCHDOG: lan0 (r8152): transmit queue 0 timed out
Jul 23 12:32:10 localhost kernel: [ 116.970398] WARNING: CPU: 0 PID: 0 at net/sched/sch_generic.c:468 dev_watchdog+0x398/0x3a0
Jul 23 12:32:10 localhost kernel: [ 116.970411] Modules linked in: governor_performance iptable_mangle iptable_filter iptable_nat xt_MASQUERADE nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 bpfilter bridge zram snd_soc_hdmi_codec dw_hdmi_cec dw_hdmi_i2s_audio btsdio hci_uart r8152 btqca btrtl btbcm rockchipdrm btintel rockchip_vdec(C) hantro_vpu(C) snd_soc_audio_graph_card dw_mipi_dsi dw_hdmi brcmfmac snd_soc_simple_card rockchip_rga v4l2_h264 panfrost videobuf2_dma_contig snd_soc_es8316 snd_soc_rockchip_i2s brcmutil analogix_dp snd_soc_simple_card_utils videobuf2_dma_sg gpu_sched drm_kms_helper v4l2_mem2mem videobuf2_vmalloc cec videobuf2_memops snd_soc_core videobuf2_v4l2 rc_core bluetooth
snd_pcm_dmaengine videobuf2_common drm snd_pcm cfg80211 drm_panel_orientation_quirks videodev snd_timer rfkill snd soundcore mc cpufreq_dt nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables x_tables autofs4 realtek dwmac_rk stmmac_platform stmmac pcs_xpcs
Jul 23 12:32:10 localhost kernel: [ 116.971114] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G C 5.10.43-rockchip64 #21.05.4
Jul 23 12:32:10 localhost kernel: [ 116.971125] Hardware name: Radxa ROCK Pi 4C (DT)
Jul 23 12:32:10 localhost kernel: [ 116.971143] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--)
Jul 23 12:32:10 localhost kernel: [ 116.971160] pc : dev_watchdog+0x398/0x3a0
Jul 23 12:32:10 localhost kernel: [ 116.971175] lr : dev_watchdog+0x398/0x3a0
Jul 23 12:32:10 localhost kernel: [ 116.971185] sp : ffff800011bebd50
Jul 23 12:32:10 localhost kernel: [ 116.971197] x29: ffff800011bebd50 x28: ffff000004e22c80
Jul 23 12:32:10 localhost kernel: [ 116.971224] x27: 0000000000000004 x26: 0000000000000140
Jul 23 12:32:10 localhost kernel: [ 116.971250] x25: 00000000ffffffff x24: 0000000000000000
Jul 23 12:32:10 localhost kernel: [ 116.971275] x23: ffff8000118b7000 x22: ffff000004c6a41c
Jul 23 12:32:10 localhost kernel: [ 116.971302] x21: ffff000004c6a000 x20: ffff000004c6a4c0
Jul 23 12:32:10 localhost kernel: [ 116.971328] x19: 0000000000000000 x18: ffff8000118ded90
Jul 23 12:32:10 localhost kernel: [ 116.971354] x17: 0000000000000000 x16: 0000000000000000
Jul 23 12:32:10 localhost kernel: [ 116.971380] x15: 0000000000000294 x14: ffff800011beba10
Jul 23 12:32:10 localhost kernel: [ 116.971407] x13: 00000000ffffffea x12: ffff80001194edc8
Jul 23 12:32:10 localhost kernel: [ 116.971433] x11: 0000000000000003 x10: ffff800011936d88
Jul 23 12:32:10 localhost kernel: [ 116.971471] x9 : ffff800011936de0 x8 : 0000000000017fe8
Jul 23 12:32:10 localhost kernel: [ 116.971497] x7 : c0000000ffffefff x6 : 0000000000000003
Jul 23 12:32:10 localhost kernel: [ 116.971522] x5 : 0000000000000000 x4 : 0000000000000000
Jul 23 12:32:10 localhost kernel: [ 116.971547] x3 : 0000000000000103 x2 : 0000000000000102
Jul 23 12:32:10 localhost kernel: [ 116.971574] x1 : e579c067443e7f00 x0 : 0000000000000000
Jul 23 12:32:10 localhost kernel: [ 116.971600] Call trace:
Jul 23 12:32:10 localhost kernel: [ 116.971618] dev_watchdog+0x398/0x3a0
Jul 23 12:32:10 localhost kernel: [ 116.971639] call_timer_fn+0x30/0x1f8
Jul 23 12:32:10 localhost kernel: [ 116.971656] run_timer_softirq+0x290/0x540
Jul 23 12:32:10 localhost kernel: [ 116.971673] efi_header_end+0x160/0x41c
Jul 23 12:32:10 localhost kernel: [ 116.971692] irq_exit+0xb8/0xd8
Jul 23 12:32:10 localhost kernel: [ 116.971709] __handle_domain_irq+0x98/0x108
Jul 23 12:32:10 localhost kernel: [ 116.971729] gic_handle_irq+0xc0/0x140
Jul 23 12:32:10 localhost kernel: [ 116.971744] el1_irq+0xc8/0x180
Jul 23 12:32:10 localhost kernel: [ 116.971763] arch_cpu_idle+0x18/0x28
Jul 23 12:32:10 localhost kernel: [ 116.971779] default_idle_call+0x44/0x1bc
Jul 23 12:32:10 localhost kernel: [ 116.971796] do_idle+0x204/0x278
Jul 23 12:32:10 localhost kernel: [ 116.971810] cpu_startup_entry+0x28/0x60
Jul 23 12:32:10 localhost kernel: [ 116.971828] rest_init+0xd4/0xe4
Jul 23 12:32:10 localhost kernel: [ 116.971848] arch_call_rest_init+0x10/0x1c
Jul 23 12:32:10 localhost kernel: [ 116.971897] start_kernel+0x818/0x850
Jul 23 12:32:10 localhost kernel: [ 116.971910] ---[ end trace 9f9f86083853a762 ]---
Jul 23 12:32:10 localhost kernel: [ 116.971980] r8152 6-1:1.0 lan0: Tx timeout
Jul 23 12:32:10 localhost kernel: [ 116.976937] r8152 6-1:1.0 lan0: Tx status -2
Jul 23 12:32:10 localhost kernel: [ 116.977263] r8152 6-1:1.0 lan0: Tx status -2
Jul 23 12:32:10 localhost kernel: [ 116.977574] r8152 6-1:1.0 lan0: Tx status -2
Jul 23 12:32:10 localhost kernel: [ 116.977869] r8152 6-1:1.0 lan0: Tx status -2
Jul 23 12:32:12 localhost kernel: [ 119.241195] usb 6-1: reset SuperSpeed Gen 1 USB device number 2 using xhci-hcd
Jul 23 12:32:12 localhost kernel: [ 119.276147] r8152 6-1:1.0 lan0: Promiscuous mode enabled
/etc/udev/rules.d/70-rename-usb1.rules:
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="d0:37:45:2c:f3:61", ATTR{type}=="1", KERNEL=="eth*", NAME="lan0", RUN+="/usr/sbin/ethtool -K lan0 tx off rx off"
Night build (Linux rockpi-4c 5.10.52-rockchip64 #trunk.95 SMP PREEMPT Wed Jul 21 14:00:12 UTC 2021 aarch64 GNU/Linux) - same result