=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Fetching nlopt-2.4.2.tar.gz
=> Total size: 2361992 bytes
ftp: Can't LOOKUP `cdn.netbsd.org:http': Temporary failure in name resolution
ftp: Can't connect to `cdn.netbsd.org:http'
fetch: Unable to fetch expected file nlopt-2.4.2.tar.gz
ftp: Can't LOOKUP `ab-initio.mit.edu:http': Temporary failure in name resolution
ftp: Can't connect to `ab-initio.mit.edu:http'
fetch: Unable to fetch expected file nlopt-2.4.2.tar.gz
ftp: Can't LOOKUP `cdn.NetBSD.org:http': Temporary failure in name resolution
ftp: Can't connect to `cdn.NetBSD.org:http'
fetch: Unable to fetch expected file nlopt-2.4.2.tar.gz
ftp: Can't LOOKUP `ftp6.NetBSD.org:http': Temporary failure in name resolution
ftp: Can't connect to `ftp6.NetBSD.org:http'
fetch: Unable to fetch expected file nlopt-2.4.2.tar.gz
ftp: Can't LOOKUP `ftp.fr.NetBSD.org:http': Temporary failure in name resolution
ftp: Can't connect to `ftp.fr.NetBSD.org:http'
fetch: Unable to fetch expected file nlopt-2.4.2.tar.gz
ftp: Can't LOOKUP `ftp.NetBSD.org:http': Temporary failure in name resolution
ftp: Can't connect to `ftp.NetBSD.org:http'
fetch: Unable to fetch expected file nlopt-2.4.2.tar.gz
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/math/nlopt