Origin for each line in sysctl.init from check-in 5062c9b6fc:

5062c9b6fc 2019-10-19        arcade: # vim:ft=make:
5062c9b6fc 2019-10-19        arcade: 
5062c9b6fc 2019-10-19        arcade: sysctl: kld root
5062c9b6fc 2019-10-19        arcade: .if exists(/etc/sysctl.conf)
5062c9b6fc 2019-10-19        arcade: 	: Setting sysctl defaults.
5062c9b6fc 2019-10-19        arcade: 	awk '$$0~/^[ ]*(#.*)?$$/{next}{print}' < /etc/sysctl.conf | xargs -n1 sysctl
5062c9b6fc 2019-10-19        arcade: .endif