[Qa-jenkins-scm] Build failed in Jenkins: reproducible_setup_pbuilder_experimental_armhf_ff4a #971

[jenkins at jenkins.debian.net]

See <https://jenkins.debian.net/job/reproducible_setup_pbuilder_experimental_armhf_ff4a/971/display/redirect>

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[EnvInject] - Loading node environment variables.
Building remotely on ff4a-armhf-rb.debian.net (ff4a armhf) in workspace <https://jenkins.debian.net/job/reproducible_setup_pbuilder_experimental_armhf_ff4a/ws/>
[reproducible_setup_pbuilder_experimental_armhf_ff4a] $ /bin/sh -xe /tmp/jenkins4983304971751640850.sh
+ /srv/jenkins/bin/jenkins_master_wrapper.sh
ssh: connect to host ff4a-armhf-rb.debian.net port 2241: No route to host
Sat 22 Dec 14:29:31 UTC 2018 - ff4a-armhf-rb.debian.net seems to be down, sleeping 1min before exiting with error.
Build step 'Execute shell' marked build as failure