Add "KEYWORD: interactive" so that prompting for passwords work, and
use print_rc_normal to print a message that could safely be suppressed.
Part of the /etc/rc silent changes requested in PR 41946
and proposed in tech-userlevel.
first, mount root and run the various disk providers. Add swap and
check the remaining file systems after that.
This breaks the dependency cycle for lvm, which needs writeable /dev.
Depend on rndctl in cgd.
process (we're -- probably inappropriately -- waiting for the kernel to do
that at the end), so cgdconfig -U won't do much until that situation changes.