[ovirt-users] VDSM host1/2/3 command GetStorageDeviceListVDS failed: Internal JSON-RPC error: {'reason': 'device is already in tree'}

Hello I have oVirt 4.4 HCI/Gluster, 3 hosts and cluster is working but I'm getting those errors in log: VDSM host1/2/3 command GetStorageDeviceListVDS failed: Internal JSON-RPC error: {'reason': 'device is already in tree'} for all 3 hosts. Thank you.