
Following this commit[1], bind_host has been moved to public_bind_host letting admin_bind_host undefined, hence trying to bind to 0.0.0.0. Since HAProxy already listens on an IP address it prevents the keystone service from starting. [1] 9bf5e54f5c95dc5b610ebba9958c6f3ae1f77a13 Change-Id: I942c473e9c0ad7dcd61f10339cadddcda01e7c7b