vmd/Makefile filters for amd64 itself but still, no need to enter on !amd64.
Index: ../Makefile =================================================================== RCS file: /cvs/src/regress/usr.sbin/Makefile,v retrieving revision 1.26 diff -u -p -r1.26 Makefile --- ../Makefile 11 Nov 2021 10:03:54 -0000 1.26 +++ ../Makefile 20 Aug 2022 09:01:56 -0000 @@ -16,7 +16,7 @@ SUBDIR += rpki-client SUBDIR += snmpd SUBDIR += syslogd -.if ${MACHINE} == "amd64" || ${MACHINE} == "i386" +.if ${MACHINE} == "amd64" SUBDIR += vmd .endif