Documentation for key exclusion in sessions conversion script

7 jobs for convertSessions-delete-attribute in 11 minutes and 16 seconds (queued for 12 seconds)
Name Stage Failure
failed
build_centos_7 Build
https://mirrors.xtom.ee/epel/7/source/tree/repodata/repomd.xml: [Errno -1] repomd.xml does not match metalink for epel-source
http://ftp.fi.muni.cz/pub/linux/fedora/epel/7/source/tree/repodata/repomd.xml: [Errno -1] repomd.xml does not match metalink for epel-source
https://www.mirrorservice.org/sites/dl.fedoraproject.org/pub/epel/7/source/tree/repodata/repomd.xml: [Errno -1] repomd.xml does not match metalink for epel-source
https://mirrors.mivocloud.com/epel/7/source/tree/repodata/repomd.xml: [Errno -1] repomd.xml does not match metalink for epel-source
https://lon.mirror.rackspace.com/epel/7/source/tree/repodata/repomd.xml: [Errno -1] repomd.xml does not match metalink for epel-source
http://mirror.de.leaseweb.net/epel/7/source/tree/repodata/repomd.xml: [Errno -1] repomd.xml does not match metalink for epel-source
ci-build-pkg: yum-builddep failed
Cleaning up file based variables
ERROR: Job failed: exit code 1