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The logstash daily curl commands output non error messages on normal runs. Use the -sS options to curl to silence all non error message output. Change-Id: I7df3abdd74f6e058cf0208cefb7639202e4f9d0e Reviewed-on: https://review.openstack.org/27316 Reviewed-by: Anita Kuno <anita.kuno@enovance.com> Reviewed-by: Jeremy Stanley <fungi@yuggoth.org> Approved: James E. Blair <corvus@inaugust.com> Reviewed-by: James E. Blair <corvus@inaugust.com> Tested-by: Jenkins