base: ignore_errors for logstash processing
base: ignore_errors for logstash processing

We don't want to fail a passing job because we are unable to process
logstash requests.

This promotes I9e356067fc317626c6473988d37f0815d3be17a4 based on the
results of I09ac20b3033c09b9bf2592174728c6854327576f.

Change-Id: I82179d6ef3eae5d63e80e147304e428e17c8c941
Signed-off-by: Paul Belanger <e7139c8e6c4ea75cc1c287ce081b2dc0f3ab39ec@redhat.com>

openstack-infra/project-config,openstack-infra/project-config