[Qa-jenkins-scm] Build failed in Jenkins: reproducible_setup_schroot_unstable_armhf_jtx1c #202

[jenkins at jenkins.debian.net]

See <https://jenkins.debian.net/job/reproducible_setup_schroot_unstable_armhf_jtx1c/202/display/redirect>

------------------------------------------
Started by timer
[EnvInject] - Loading node environment variables.
Building remotely on jtx1c-armhf-rb.debian.net (armhf jtx1c) in workspace <https://jenkins.debian.net/job/reproducible_setup_schroot_unstable_armhf_jtx1c/ws/>
[reproducible_setup_schroot_unstable_armhf_jtx1c] $ /bin/sh -xe /tmp/jenkins3117211987671033866.sh
+ /srv/jenkins/bin/jenkins_master_wrapper.sh
ssh: connect to host jtx1c-armhf-rb.debian.net port 2254: No route to host
Sun  1 Apr 04:04:23 UTC 2018 - jtx1c-armhf-rb.debian.net seems to be down, sleeping 1min before exiting with error.
Build step 'Execute shell' marked build as failure