[Qa-jenkins-scm] Build failed in Jenkins: reproducible_setup_pbuilder_buster_armhf_ff4a #496

[jenkins at jenkins.debian.net]

See <https://jenkins.debian.net/job/reproducible_setup_pbuilder_buster_armhf_ff4a/496/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_buster_armhf_ff4a/ws/>
[reproducible_setup_pbuilder_buster_armhf_ff4a] $ /bin/sh -xe /tmp/jenkins5317850230747059681.sh
+ /srv/jenkins/bin/jenkins_master_wrapper.sh
Host key verification failed.
Tue  8 Jan 10:54:05 UTC 2019 - ff4a-armhf-rb.debian.net seems to be down, sleeping 1min before exiting with error.
Build step 'Execute shell' marked build as failure