[Qa-jenkins-scm] Build failed in Jenkins: reproducible_maintenance_armhf_ff4a #5820

[jenkins at jenkins.debian.net]

See <https://jenkins.debian.net/job/reproducible_maintenance_armhf_ff4a/5820/display/redirect>

------------------------------------------
Started by timer
[EnvInject] - Loading node environment variables.
Building remotely on ff4a-armhf-rb.debian.net (ff4a armhf) in workspace <https://jenkins.debian.net/job/reproducible_maintenance_armhf_ff4a/ws/>
[reproducible_maintenance_armhf_ff4a] $ /bin/sh -xe /tmp/jenkins4638352328786536013.sh
+ /srv/jenkins/bin/jenkins_master_wrapper.sh
Authentication failed.
Sat 21 Oct 02:07:25 UTC 2017 - ff4a-armhf-rb.debian.net seems to be down, sleeping 1min before exiting with error.
Build step 'Execute shell' marked build as failure