=> Bootstrap dependency digest>=20211023: found digest-20220214
=> Fetching ntopng-6.6.tar.gz
=> Total size: 82387035 bytes
=> Checksum BLAKE2s OK for ntopng-6.6.tar.gz
=> Checksum SHA512 OK for ntopng-6.6.tar.gz
=> Fetching ntopng-dist-6.6-stable.tar.gz
=> Total size: 7145478 bytes
ftp: Error retrieving file `404 Not Found'
fetch: Unable to fetch expected file ntopng-dist-6.6-stable.tar.gz
checksum: Checksum BLAKE2s mismatch for ntopng-dist-6.6-stable.tar.gz
fetch: Checksum of the file ntopng-dist-6.6-stable.tar.gz.23128.part doesn't match.
ftp: Error retrieving file `404 Not Found'
fetch: Unable to fetch expected file ntopng-dist-6.6-stable.tar.gz
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/net/ntopng