setkey(8) on FreeBSD
The text 411a4a4c5fd9, as FreeBSD 12.0-RELEASE shipped it.
manually manipulate the IPsec SA/SP database
Flags it lists
-
-D -
-F -
-f -
-g -
-h -
-l -
-lh -
-ls -
-m -
-r -
-t -
-u -
-v -
-x