[Qa-jenkins-scm] Build failed in Jenkins: reproducible_maintenance_armhf_jtx1b #5766

[jenkins at jenkins.debian.net]

See <https://jenkins.debian.net/job/reproducible_maintenance_armhf_jtx1b/5766/display/redirect>

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Started by timer
[EnvInject] - Loading node environment variables.
Building remotely on jtx1b-armhf-rb.debian.net (jtx1b armhf) in workspace <https://jenkins.debian.net/job/reproducible_maintenance_armhf_jtx1b/ws/>
[reproducible_maintenance_armhf_jtx1b] $ /bin/sh -xe /tmp/jenkins1078827126932609718.sh
+ /srv/jenkins/bin/jenkins_master_wrapper.sh
ssh: Could not resolve hostname jtx1b-armhf-rb: Name or service not known
Tue  8 Jan 14:05:07 UTC 2019 - jtx1b-armhf-rb seems to be down, sleeping 1min before exiting with error.
Build step 'Execute shell' marked build as failure