just tested the latest available build for mangopi-mq-pro, 26 May 2023 (from there: https://github.com/armbian-beta/os/releases/download/23.5.0-trunk.275/Armbian_23.5.0-trunk.275_Mangopi-mq_lunar_edge_6.1.0-rc3.img.xz), boot process still stop at the same stage:
Retrieving file: /boot/extlinux/pxelinux.cfg/default
sun8i_emac_eth_start: Timeout
Config file not found
sun8i_emac_eth_start: Timeout
sun8i_emac_eth_start: Timeout
=>