[Qa-jenkins-scm] Build failed in Jenkins: reproducible_maintenance_armhf_ff2a #10940

[jenkins at jenkins.debian.net]

See <https://jenkins.debian.net/job/reproducible_maintenance_armhf_ff2a/10940/display/redirect>

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Started by timer
[EnvInject] - Loading node environment variables.
Building remotely on ff2a-armhf-rb.debian.net (ff2a armhf) in workspace <https://jenkins.debian.net/job/reproducible_maintenance_armhf_ff2a/ws/>
[reproducible_maintenance_armhf_ff2a] $ /bin/sh -xe /tmp/jenkins18237042795569365.sh
+ /srv/jenkins/bin/jenkins_master_wrapper.sh
mux_client_request_session: read from master failed: Broken pipe
ssh: connect to host ff2a-armhf-rb.debian.net port 2234: Connection refused
Wed 13 Feb 16:05:30 UTC 2019 - ff2a-armhf-rb.debian.net seems to be down, sleeping 1min before exiting with error.
Build step 'Execute shell' marked build as failure