=> 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 rblsmtpd-nodefaultrbl.patch
=> Total size: 822 bytes
=> Checksum SHA1 OK for rblsmtpd-nodefaultrbl.patch
=> Checksum RMD160 OK for rblsmtpd-nodefaultrbl.patch
=> Checksum SHA512 OK for rblsmtpd-nodefaultrbl.patch
=> Fetching ucspi-tcp-0.88-ipv6.diff20.bz2
=> Total size: 22088 bytes
ftp: Error retrieving file `404 Not Found'
fetch: Unable to fetch expected file ucspi-tcp-0.88-ipv6.diff20.bz2
ftp: Received unexpected Content-Range header
fetch: Unable to fetch expected file ucspi-tcp-0.88-ipv6.diff20.bz2
ftp: Error retrieving file `404 Not Found'
fetch: Unable to fetch expected file ucspi-tcp-0.88-ipv6.diff20.bz2
ftp: Error retrieving file `404 Not Found'
fetch: Unable to fetch expected file ucspi-tcp-0.88-ipv6.diff20.bz2
ucspi-tcp-0.88-ipv6.diff20.bz2: No such file or directory.
fetch: Unable to fetch expected file ucspi-tcp-0.88-ipv6.diff20.bz2
ftp: Error retrieving file `404 Not Found'
fetch: Unable to fetch expected file ucspi-tcp-0.88-ipv6.diff20.bz2
ucspi-tcp-0.88-ipv6.diff20.bz2: No such file or directory.
fetch: Unable to fetch expected file ucspi-tcp-0.88-ipv6.diff20.bz2
ftp: Error retrieving file `404 Not Found'
fetch: Unable to fetch expected file ucspi-tcp-0.88-ipv6.diff20.bz2
*** Error code 1

Stop.
make: stopped in /data/pkgsrc/net/ucspi-tcp