CONFIG_NETDEV_LEGACY_INIT (not configurable)

modulename: Space.ko

configname: CONFIG_NETDEV_LEGACY_INIT

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>NETDEV_LEGACY_INIT
In linux kernel since version 4.14.326 (release Date: 2023-09-23)  
Drivers that call netdev_boot_setup_check() should select this
symbol, everything else no longer needs it.

source code:
drivers/net/Space.c