openstack-nova-consoleauth/scheduler failed to start up

We are installing openstack in a new DC and seeing openstack-nova-consoleauth/scheduler failed to start up. Checking log and found this. Host 10.160.4.5 is not allowed to connect to this MariaDB server. Three controller nodes are installed with MariaDB/Galera Cluster, none of them with this ip. -- <https://smart.salesforce.com/sig/peiyong.zhang//us_mb/default/link.html>