guest: DragonFly dfbsd 6.5-DEVELOPMENT #0 X86_64_GENERIC x86_64 (2026-07-02 build)
pciconf -l | grep -i ath/atheros/168c -> NO-ATHEROS-PCI (no AR9287 NIC; ar9287Attach unreachable)
acpidump | grep ACPI0001/ACPI0005 -> none (no smart-battery AML; acpi_smbat cannot attach)