Another panic in multi-namespace listwatch

2019-05-27T11:21:00.262217Z     info    ServiceMeshMemberRoll default updated, namespaces now ["istio-system"]
    panic: send on closed channel
    goroutine 2372 [running]:
    istio.io/istio/pkg/listwatch.(*multiListerWatcher).reportUpdatedNamespaceError.func1(0xc000f5c900)
            /home/luksa/projects/go/src/istio.io/istio/pkg/listwatch/listwatch.go:105 +0x14d
    created by istio.io/istio/pkg/listwatch.(*multiListerWatcher).reportUpdatedNamespaceError
            /home/luksa/projects/go/src/istio.io/istio/pkg/listwatch/listwatch.go:104 +0x43