Trying 192.168.56.21...
Connected to conserv1.
Escape character is '^]'.

ser2net port telnet,3006 device serialdev, /dev/serial/by-path/platform-fd500000.pcie-pci-0000:01:00.0-usb-0:1.2.4.3:1.0-port0, 115200n81, local=false [] (Debian GNU/Linux)

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U-Boot SPL 2022.07-rc4-00055-ga8afadf41a (Jun 17 2022 - 15:45:20 +0100)
DRAM: 2048 MiB
Trying to boot from MMC1
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U-Boot SPL 2022.07-rc4-00055-ga8afadf41a (Jun 17 2022 - 15:45:20 +0100)
DRAM: 2048 MiB
Trying to boot from MMC1
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U-Boot SPL 2022.07-rc4-00055-ga8afadf41a (Jun 17 2022 - 15:45:20 +0100)
DRAM: 2048 MiB
Trying to boot from MMC1
NOTICE:  BL31: v2.7(release):v2.7.0-45-gb632c614a
NOTICE:  BL31: Built : 15:45:15, Jun 17 2022
NOTICE:  BL31: Detected Allwinner H5 SoC (1718)
NOTICE:  BL31: Found U-Boot DTB at 0x209c170, model: Libre Computer Board ALL-H3-CC H5
NOTICE:  PMIC: Assuming H5 reference regulator design


U-Boot 2022.07-rc4-00055-ga8afadf41a (Jun 17 2022 - 15:45:20 +0100) Allwinner Technology

CPU:   Allwinner H5 (SUN50I)
Model: Libre Computer Board ALL-H3-CC H5
DRAM:  2 GiB
Core:  70 devices, 20 uclasses, devicetree: separate
WDT:   Not starting watchdog@1c20ca0
7[r[999;999H[6n8MMC:   mmc@1c0f000: 0, mmc@1c11000: 1
Loading Environment from FAT... Unable to read \"uboot.env\" from mmc0:1... 
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U-Boot SPL 2022.07-rc4-00055-ga8afadf41a (Jun 17 2022 - 15:45:20 +0100)
DRAM: 2048 MiB
Trying to boot from MMC1