flaky test: [... [... -t fuse-overlayfs]] failed: "": wait: no child processes: unknown

+ kubectl get nodes -o wide
NAME                    STATUS   ROLES    AGE   VERSION             INTERNAL-IP   EXTERNAL-IP   OS-IMAGE                    KERNEL-VERSION          CONTAINER-RUNTIME
localhost.localdomain   Ready    <none>   13s   v1.19.0-usernetes   10.0.2.100    <none>        Fedora 31 (Cloud Edition)   5.3.7-301.fc31.x86_64   containerd://1.3.0-429-g1c1a08e7
+ timeout 60 kubectl run --rm -i --image busybox --restart=Never hello echo hello
pod "hello" deleted
pod default/hello terminated (StartError)
failed to create containerd task: failed to mount rootfs component &{fuse3.fuse-overlayfs overlay [workdir=/home/vagrant/.local/share/usernetes/containerd/io.containerd.snapshotter.v1.fuse-overlayfs/snapshots/4/work upperdir=/home/vagrant/.local/share/usernetes/containerd/io.containerd.snapshotter.v1.fuse-overlayfs/snapshots/4/fs lowerdir=/home/vagrant/.local/share/usernetes/containerd/io.containerd.snapshotter.v1.fuse-overlayfs/snapshots/3/fs writeback=0]}: mount helper [mount.fuse3 [overlay /run/user/1000/usernetes/containerd/io.containerd.runtime.v2.task/k8s.io/dcbe12d6759bd896b9c0a65d6f74224652110671371895a27099a1385f4e74a1/rootfs -o workdir=/home/vagrant/.local/share/usernetes/containerd/io.containerd.snapshotter.v1.fuse-overlayfs/snapshots/4/work -o upperdir=/home/vagrant/.local/share/usernetes/containerd/io.containerd.snapshotter.v1.fuse-overlayfs/snapshots/4/fs -o lowerdir=/home/vagrant/.local/share/usernetes/containerd/io.containerd.snapshotter.v1.fuse-overlayfs/snapshots/3/fs -o writeback=0 -t fuse-overlayfs]] failed: "": wait: no child processes: unknown
+ ERROR 'Pod is not ready.'

https://travis-ci.org/github/rootless-containers/usernetes/builds/668025122

rootless-containers / usernetes

flaky test: [... [... -t fuse-overlayfs]] failed: "": wait: no child processes: unknown #154