I get these results trying to start the daemon (Ubuntu 20.04). Suggestions appreciated:
andrew@andrew-VirtualBox:~$ sudo dockerd
INFO[2022-09-12T21:05:16.047977041-05:00] Starting up
INFO[2022-09-12T21:05:16.055612067-05:00] detected 127.0.0.53 nameserver, assuming systemd-resolved, so using resolv.conf: /run/systemd/resolve/resolv.conf
INFO[2022-09-12T21:05:16.090558541-05:00] parsed scheme: "unix" module=grpc
INFO[2022-09-12T21:05:16.090596347-05:00] scheme "unix" not registered, fallback to default scheme module=grpc
INFO[2022-09-12T21:05:16.090620752-05:00] ccResolverWrapper: sending update to cc: {[{unix:///run/containerd/containerd.sock <nil> 0 <nil>}] <nil> <nil>} module=grpc
INFO[2022-09-12T21:05:16.090669859-05:00] ClientConn switching balancer to "pick_first" module=grpc
INFO[2022-09-12T21:05:16.147449136-05:00] parsed scheme: "unix" module=grpc
INFO[2022-09-12T21:05:16.147512062-05:00] scheme "unix" not registered, fallback to default scheme module=grpc
INFO[2022-09-12T21:05:16.147533188-05:00] ccResolverWrapper: sending update to cc: {[{unix:///run/containerd/containerd.sock <nil> 0 <nil>}] <nil> <nil>} module=grpc
INFO[2022-09-12T21:05:16.147653426-05:00] ClientConn switching balancer to "pick_first" module=grpc
INFO[2022-09-12T21:05:16.586351797-05:00] [graphdriver] using prior storage driver: overlay2
failed to start daemon: error while opening volume store metadata database: timeout