Current files/coredns.in contains "-cpu" as startup parameter to coredns. This parameter was removed in 1.6.0 and therefor coredns won't start if still provided
See:https://github.com/coredns/coredns/blob/4ecc9c4c430bfe607c6f6198f5df69b3babbbd17/notes/coredns-1.6.0.md
Created attachment 211203 [details] coredns.in without -cpu parameter
Committed. Thanks for your patch!
A commit references this bug: Author: yuri Date: Fri Jan 31 02:49:46 UTC 2020 New revision: 524666 URL: https://svnweb.freebsd.org/changeset/ports/524666 Log: dns/coredns: Remove the "-cpu" parameter Coredns won't start with "-cpu" as startup parameter in coredns.in because it has been obsoleted. PR: 243737 Submitted by: freebsd@rainbowfab.org Changes: head/dns/coredns/Makefile head/dns/coredns/files/coredns.in