Document r258818.

Sponsored by:	The FreeBSD Foundation
Document r258635.

Sponsored by:	The FreeBSD Foundation
Document r258586.

Sponsored by:	The FreeBSD Foundation
Document r258217.

Sponsored by:	The FreeBSD Foundation
Document r258215.

Sponsored by:	The FreeBSD Foundation
Document r258214.

Sponsored by:	The FreeBSD Foundation
Document r258183.

Sponsored by:	The FreeBSD Foundation
Document r257618.

Sponsored by:	The FreeBSD Foundation
Note that r257618 is preliminary support.

Sponsored by:	The FreeBSD Foundation
Document r257616.

Sponsored by:	The FreeBSD Foundation
Add r257614 to note about previous commit.

Sponsored by:	The FreeBSD Foundation
Document r257611.

Sponsored by:	The FreeBSD Foundation
Document r257496.

Sponsored by:	The FreeBSD Foundation
Document r257373.

Sponsored by:	The FreeBSD Foundation