Comment 9 for bug 1778033

What we see from the trace is:

2018-11-20 09:55:05 DEBUG juju.worker.uniter.remotestate watcher.go:451 got storage change: [osd-devices/38 osd-devices/39] ok=true
2018-11-20 09:55:05 TRACE juju.rpc.jsoncodec codec.go:225 -> {"request-id":78,"type":"Uniter","version":8,"request":"StorageAttachmentLife","params":{"ids":[{"storage-tag":"storage-osd-devices-38","unit-tag":"uni
t-testing-osd-0"},{"storage-tag":"storage-osd-devices-39","unit-tag":"unit-testing-osd-0"}]}}
2018-11-20 09:55:05 TRACE juju.rpc.jsoncodec codec.go:120 <- {"request-id":78,"response":{"results":[{"life":"alive"},{"life":"alive"}]}}
2018-11-20 09:55:05 TRACE juju.rpc.jsoncodec codec.go:225 -> {"request-id":79,"type":"Uniter","version":8,"request":"WatchStorageAttachments","params":{"ids":[{"storage-tag":"storage-osd-devices-38","unit-tag":"u
nit-testing-osd-0"}]}}
2018-11-20 09:55:05 TRACE juju.rpc.jsoncodec codec.go:120 <- {"request-id":79,"response":{"results":[{"NotifyWatcherId":"20"}]}}
2018-11-20 09:55:05 TRACE juju.rpc.jsoncodec codec.go:225 -> {"request-id":80,"type":"Uniter","version":8,"request":"StorageAttachments","params":{"ids":[{"storage-tag":"storage-osd-devices-38","unit-tag":"unit-t
esting-osd-0"}]}}
2018-11-20 09:55:05 TRACE juju.rpc.jsoncodec codec.go:225 -> {"request-id":81,"type":"NotifyWatcher","version":1,"id":"20","request":"Next","params":{}}
2018-11-20 09:55:05 TRACE juju.rpc.jsoncodec codec.go:120 <- {"request-id":80,"response":{"results":[{"result":{"storage-tag":"","owner-tag":"","unit-tag":"","kind":0,"location":"","life":""},"error":{"message":"
storage osd-devices/38 not provisioned","code":"not provisioned"}}]}}
2018-11-20 09:55:05 TRACE juju.rpc.jsoncodec codec.go:225 -> {"request-id":82,"type":"Uniter","version":8,"request":"WatchStorageAttachments","params":{"ids":[{"storage-tag":"storage-osd-devices-39","unit-tag":"unit-testing-osd-0"}]}}
2018-11-20 09:55:05 TRACE juju.rpc.jsoncodec codec.go:120 <- {"request-id":82,"response":{"results":[{"NotifyWatcherId":"21"}]}}
2018-11-20 09:55:05 TRACE juju.rpc.jsoncodec codec.go:225 -> {"request-id":83,"type":"Uniter","version":8,"request":"StorageAttachments","params":{"ids":[{"storage-tag":"storage-osd-devices-39","unit-tag":"unit-testing-osd-0"}]}}
2018-11-20 09:55:05 TRACE juju.rpc.jsoncodec codec.go:225 -> {"request-id":84,"type":"NotifyWatcher","version":1,"id":"21","request":"Next","params":{}}
2018-11-20 09:55:05 TRACE juju.rpc.jsoncodec codec.go:120 <- {"request-id":83,"response":{"results":[{"result":{"storage-tag":"","owner-tag":"","unit-tag":"","kind":0,"location":"","life":""},"error":{"message":"storage osd-devices/39 not provisioned","code":"not provisioned"}}]}}