[ovirt-users] Gluster JSON-RPC errors

I'm seeing the following errors appear in the event log every 10 minutes for each participating host in the gluster cluster GetGlusterVolumeHealInfoVDS failed: Internal JSON-RPC error: {'reason': "'bool' object has no attribute 'getiterator'"} Gluster brick health is good Any ideas ? oVirt 4.2.7.2-1.el7 CentOS 7