Hello, Same problem here, how I could install it?
Processing triggers for initramfs-tools (0.133+deb10u1) ... update-initramfs: Generating /boot/initrd.img-5.4.0-0.bpo.4-amd64 W: Possible missing firmware /lib/firmware/rtl_nic/rtl8125a-3.fw for module r8169 Thanks