re https://marc.info/?l=openbsd-misc&m=177751432601667&w=2

we do have "Detailed peer information is available to the superuser <...>" 
for wg(4) in ifconfig(8) but no mention of the more general case.

does this make sense?

Index: ifconfig.8
===================================================================
RCS file: /cvs/src/sbin/ifconfig/ifconfig.8,v
diff -u -p -r1.413 ifconfig.8
--- ifconfig.8	3 Dec 2025 10:19:27 -0000	1.413
+++ ifconfig.8	30 Apr 2026 09:55:00 -0000
@@ -68,6 +68,10 @@ If a protocol family is specified,
 will report only the details specific to that protocol family.
 If no parameters are provided, a summary of all interfaces is provided.
 .Pp
+Some parts of interface configuration, for example private keys or
+passphrases, are only available to the superuser and are otherwise
+omitted.
+.Pp
 Only the superuser may modify the configuration of a network interface.
 .Pp
 The following options are available: