=> Bootstrap dependency digest>=20010302: found digest-20160304
===> Skipping vulnerability checks.
WARNING: No /var/db/pkg/pkg-vulnerabilities file found.
WARNING: To fix run: `/usr/sbin/pkg_admin -K /var/db/pkg fetch-pkg-vulnerabilities'.
=> Fetching opencv-3.4.1.zip
=> Total size: 90982898 bytes
ftp: Error retrieving file `404 Not Found'
fetch: Unable to fetch expected file opencv-3.4.1.zip
ftp: Error retrieving file `404 Not Found'
fetch: Unable to fetch expected file opencv-3.4.1.zip
checksum: Checksum SHA1 mismatch for opencv-3.4.1.zip
fetch: Checksum of the file opencv-3.4.1.zip doesn't match.
checksum: Checksum SHA1 mismatch for opencv-3.4.1.zip
fetch: Checksum of the file opencv-3.4.1.zip doesn't match.
checksum: Checksum SHA1 mismatch for opencv-3.4.1.zip
fetch: Checksum of the file opencv-3.4.1.zip doesn't match.
checksum: Checksum SHA1 mismatch for opencv-3.4.1.zip
fetch: Checksum of the file opencv-3.4.1.zip doesn't match.
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed

  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
100 77305  100   193  100 77112   2797  1091k --:--:-- --:--:-- --:--:-- 1110k
<html>
<head><title>500 Internal Server Error</title></head>
<body bgcolor="white">
<center><h1>500 Internal Server Error</h1></center>
<hr><center>nginx/1.11.4</center>
</body>
</html>
=> Fetching opencv_contrib-3.4.1.zip
=> Total size: 58319978 bytes
ftp: Error retrieving file `404 Not Found'
fetch: Unable to fetch expected file opencv_contrib-3.4.1.zip
=> Checksum SHA1 OK for opencv_contrib-3.4.1.zip
=> Checksum RMD160 OK for opencv_contrib-3.4.1.zip
=> Checksum SHA512 OK for opencv_contrib-3.4.1.zip
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed

  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
  0 55.6M  100   193    0  128k   2924  1939k  0:00:29 --:--:--  0:00:29 1942k
<html>
<head><title>500 Internal Server Error</title></head>
<body bgcolor="white">
<center><h1>500 Internal Server Error</h1></center>
<hr><center>nginx/1.11.4</center>
</body>
</html>
checksum: Checksum SHA1 mismatch for opencv-3.4.1.zip
ERROR: Make sure the Makefile and checksum file (/data/pkgsrc/graphics/opencv-contrib-face/distinfo)
ERROR: are up to date.  If you want to override this check, type
ERROR: "/usr/bin/make NO_CHECKSUM=yes [other args]".
*** Error code 1

Stop.
make: stopped in /data/pkgsrc/graphics/opencv-contrib-face