Origin for each line in ifconfig.init from check-in 380071b4cc:

2b429035c5 2019-10-19        arcade: # vim:ft=make:
2b429035c5 2019-10-19        arcade: 
2f11a995dc 2019-10-19        arcade: IFCONFIG_IFACES?=lo0
2f11a995dc 2019-10-19        arcade: IFCONFIG_lo0?=inet 127.0.0.1/8 up
2f11a995dc 2019-10-19        arcade: 
380071b4cc 2019-10-20        arcade: ifconfig: adjkerntz wlans cloned kld
2f11a995dc 2019-10-19        arcade: 	: Starting interfaces.
2f11a995dc 2019-10-19        arcade: .for iface in ${IFCONFIG_IFACES}
8f80b79392 2019-10-20        arcade: 	ifconfig ${iface} ${IFCONFIG_${iface}}
2f11a995dc 2019-10-19        arcade: .endfor