Fix braino of mine where the reseeds would happen far too often,
making the kernel process way too busy.

PR: 230808
Submitted by: Conrad Meyer <cem@FreeBSD.org>
Reported by: Danilo Egea Gondolfo <danilo@FreeBSD.org>
Reviewed by: cem,delphij
Approved by: re(rgrimes)
Approved by: so(delphij)
MFC after: 1 Month
Security: Yes
Differential Revision: https://reviews.freebsd.org/D16872