=> Bootstrap dependency digest>=20010302: found digest-20160304
=> Fetching iperf-2.0.5.tar.gz
=> Total size: 248583 bytes
Certificate verification failed for /C=US/O=Let's Encrypt/CN=Let's Encrypt Authority X3
34374371912:error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed:/usr/src/crypto/openssl/ssl/s3_clnt.c:1269:
fetch: http://downloads.sourceforge.net/sourceforge/iperf/iperf-2.0.5.tar.gz: Authentication error
fetch: Unable to fetch expected file iperf-2.0.5.tar.gz
iperf-2.0.5.tar.gz                                       0  B    0  Bps
=> Fetching nomaxcpu.patch
=> Total size: 3354 bytes
Certificate verification failed for /C=US/O=Let's Encrypt/CN=Let's Encrypt Authority X3
34374371912:error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed:/usr/src/crypto/openssl/ssl/s3_clnt.c:1269:
fetch: http://sourceforge.net/p/iperf/patches/28/attachment/nomaxcpu.patch: Authentication error
fetch: Unable to fetch expected file nomaxcpu.patch
nomaxcpu.patch                                           0  B    0  Bps
=> Checksum SHA1 OK for iperf-2.0.5.tar.gz
=> Checksum RMD160 OK for iperf-2.0.5.tar.gz
=> Checksum SHA512 OK for iperf-2.0.5.tar.gz
=> Checksum SHA1 OK for nomaxcpu.patch
=> Checksum RMD160 OK for nomaxcpu.patch
=> Checksum SHA512 OK for nomaxcpu.patch