default or selected kernelversion does not have config value CONFIG_AURORA_NB8800.
Result is shown for kernelversion 6.9.9
Aurora AU-NB8800 support
modulename: nb8800.ko
configname: CONFIG_AURORA_NB8800
Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Ethernet driver support
└─>Aurora AU-NB8800 support
In linux kernel since version 4.1 (release Date: 2015-06-21)
Support for the AU-NB8800 gigabit Ethernet controller.