make filter more readable
make filter more readable

[#120112119]

Signed-off-by: Derik Evangelista <70505a31063ee00d819d9d243caf579a659cbb4f@pivotal.io>

axelaris/logsearch-boshrelease,logsearch/logsearch-boshrelease,logsearch/logsearch-boshrelease,cloudfoundry-community/logsearch-boshrelease,logsearch/logsearch-boshrelease,axelaris/logsearch-boshrelease,cloudfoundry-community/logsearch-boshrelease,axelaris/logsearch-boshrelease,cloudfoundry-community/logsearch-boshrelease,logsearch/logsearch-boshrelease,cloudfoundry-community/logsearch-boshrelease,axelaris/logsearch-boshrelease