Comment 3 for bug 1816406

More on docker restart

Feb 19 05:48:02 undercloud ansible-systemd: Invoked with no_block=False force=None name=docker enabled=None daemon_reload=True state=restarted masked=None user=False
Feb 19 05:48:02 undercloud systemd: Reloading.
Feb 19 05:48:02 undercloud systemd: Stopping Docker Application Container Engine...
Feb 19 05:48:02 undercloud dockerd-current: time="2019-02-19T05:48:02.582071366Z" level=info msg="Processing signal 'terminated'"
Feb 19 05:48:02 undercloud dockerd-current: time="2019-02-19T05:48:02.621195972Z" level=debug msg="Clean shutdown succeeded"
Feb 19 05:48:02 undercloud dockerd-current: time="2019-02-19T05:48:02.624634538Z" level=info msg="stopping containerd after receiving terminated"
Feb 19 05:48:02 undercloud dockerd-current: time="2019-02-19T05:48:02.62599497Z" level=fatal msg="containerd: serve grpc" error="accept unix /var/run/docker/libcontainerd/docker-containerd.sock: use of closed network connection"
Feb 19 05:48:03 undercloud dockerd-current: time="2019-02-19T05:48:03.112319707Z" level=debug msg="libcontainerd: containerd health check returned error: rpc error: code = 9 desc = grpc: the client connection is closing"
Feb 19 05:48:03 undercloud systemd: Stopped Docker Application Container Engine.
Feb 19 05:48:03 undercloud systemd: Starting Docker Storage Setup...
Feb 19 05:48:03 undercloud container-storage-setup: INFO: Volume group backing root filesystem could not be determined
Feb 19 05:48:03 undercloud container-storage-setup: ERROR: Failed to determine existing storage driver.
Feb 19 05:48:03 undercloud systemd: docker-storage-setup.service: main process exited, code=exited, status=1/FAILURE
Feb 19 05:48:03 undercloud systemd: Failed to start Docker Storage Setup.
Feb 19 05:48:03 undercloud systemd: Unit docker-storage-setup.service entered failed state.
Feb 19 05:48:03 undercloud systemd: docker-storage-setup.service failed.
Feb 19 05:48:03 undercloud systemd: Starting Docker Application Container Engine...
Feb 19 05:48:03 undercloud dockerd-current: time="2019-02-19T05:48:03.917339565Z" level=debug msg="Listener created for HTTP on unix (/var/run/docker.sock)"
Feb 19 05:48:03 undercloud dockerd-current: time="2019-02-19T05:48:03.918245049Z" level=debug msg="libcontainerd: runContainerdDaemon: runtimeArgs: [-l unix:///var/run/docker/libcontainerd/docker-containerd.sock --metrics-interval=0 --start-timeout 2m --state-dir /var/run/docker/libcontainerd/containerd --shim docker-containerd-shim --runtime docker-runc --debug --runtime-args --systemd-cgroup=true]"
Feb 19 05:48:03 undercloud dockerd-current: time="2019-02-19T05:48:03.920302983Z" level=info msg="libcontainerd: new containerd process, pid: 65849"
Feb 19 05:48:03 undercloud dockerd-current: time="2019-02-19T05:48:03.921096307Z" level=debug msg="libcontainerd: maximum number of retries for containerd health check is 3"
Feb 19 05:48:03 undercloud dockerd-current: time="2019-02-19T05:48:03.9