[Users] Non Operational status

Hi, After I add a new host to newly setup ovirt-engine, after reboot of new host, the status is set to "Non Operational" 2012-May-16, 15:10:00 Detected new Host ovirt-node2. Host state was set to Non Operational. 2012-May-16, 15:10:00 Host ovirt-node2 does not comply with the cluster Default networks, the following networks are missing on host: 'ovirtmgmt,' 2012-May-16, 15:05:00 Host ovirt-node2 does not comply with the cluster Default networks, the following networks are missing on host: 'ovirtmgmt,' 2012-May-16, 15:00:00 Host ovirt-node2 does not comply with the cluster Default networks, the following networks are missing on host: 'ovirtmgmt,' 2012-May-16, 14:55:00 Host ovirt-node2 does not comply with the cluster Default networks, the following networks are missing on host: 'ovirtmgmt,' the log said ovirtmgmt has been missed , but actually I have the bridge "ovirtmgmt" on the new host.