[Qa-jenkins-scm] Build failed in Jenkins: reproducible_setup_pbuilder_buster_armhf_cbxi4pro0 #618

[jenkins at jenkins.debian.net]

See <https://jenkins.debian.net/job/reproducible_setup_pbuilder_buster_armhf_cbxi4pro0/618/display/redirect>

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Started by timer
[EnvInject] - Loading node environment variables.
Building remotely on cbxi4pro0-armhf-rb.debian.net (cbxi4pro0 armhf) in workspace <https://jenkins.debian.net/job/reproducible_setup_pbuilder_buster_armhf_cbxi4pro0/ws/>
[reproducible_setup_pbuilder_buster_armhf_cbxi4pro0] $ /bin/sh -xe /tmp/jenkins6874398209642051615.sh
+ /srv/jenkins/bin/jenkins_master_wrapper.sh
mux_client_request_session: read from master failed: Broken pipe
ssh: connect to host cbxi4pro0-armhf-rb.debian.net port 2226: No route to host
Tue  9 Apr 08:30:56 UTC 2019 - cbxi4pro0-armhf-rb.debian.net seems to be down, sleeping 1min before exiting with error.
Build step 'Execute shell' marked build as failure