Failed to mount overlay: no such device storage-driver=overlay2 - docker

Question

I try install docker-ce on Ubuntu 20.04.3 LTS (Focal Fossa) and I have error with overlay2. According documentation, it will be works since I have kernel 4.4.182-mainline-rev1.
INFO[2021-11-03T15:02:55.375424503+01:00] Starting up
INFO[2021-11-03T15:02:55.376873274+01:00] detected 127.0.0.53 nameserver, assuming systemd-resolved, so using resolv.conf: /run/systemd/resolve/resolv.conf
INFO[2021-11-03T15:02:55.380156220+01:00] parsed scheme: "unix" module=grpc
INFO[2021-11-03T15:02:55.380343883+01:00] scheme "unix" not registered, fallback to default scheme module=grpc
INFO[2021-11-03T15:02:55.380511607+01:00] ccResolverWrapper: sending update to cc: {[{unix:///run/containerd/containerd.sock <nil> 0 <nil>}] <nil> <nil>} module=grpc
INFO[2021-11-03T15:02:55.380746348+01:00] ClientConn switching balancer to "pick_first" module=grpc
INFO[2021-11-03T15:02:55.386164293+01:00] parsed scheme: "unix" module=grpc
INFO[2021-11-03T15:02:55.386390699+01:00] scheme "unix" not registered, fallback to default scheme module=grpc
INFO[2021-11-03T15:02:55.386507127+01:00] ccResolverWrapper: sending update to cc: {[{unix:///run/containerd/containerd.sock <nil> 0 <nil>}] <nil> <nil>} module=grpc
INFO[2021-11-03T15:02:55.386582789+01:00] ClientConn switching balancer to "pick_first" module=grpc
ERRO[2021-11-03T15:02:55.393126880+01:00] failed to mount overlay: no such device storage-driver=overlay2
failed to start daemon: error initializing graphdriver: driver not supported
I deleted /var/lib/docker.
I created /etc/docker/daemon.json with:
{
"storage-driver": "overlay2"
}
I added DOCKER_OPTS="-s overlay2"
to /etc/default/docker.
Nothing works. Please help.