Prometheus exporters spewing "unknown short flag '-w'" errors
@xiaogang_gitlab was demoing Geo with the nightly build (https://packages.gitlab.com/gitlab/nightly-builds/packages/ubuntu/xenial/gitlab-ee_10.2.4+rnightly.68865.0ec76e3b-0_amd64.deb), and we noticed these errors:
/cc: @bjk-gitlab, @joshlambert