Thanks for reply.
The output of `podman info` is:
$ podman info
host:
  arch: amd64
  buildahVersion: 1.24.1
  cgroupControllers: []
  cgroupManager: cgroupfs
  cgroupVersion: v1
  conmon:
    package: Unknown
    path: /export/home/rkn/.local/container/bin/conmon
    version: 'conmon version 2.1.0, commit: unknown'
  cpus: 32
  distribution:
    distribution: '"centos"'
    version: "7"
  eventLogger: file
  hostname: centos
  idMappings:
    gidmap:
    - container_id: 0
      host_id: 1009
      size: 1
    - container_id: 1
      host_id: 384288
      size: 35536
    uidmap:
    - container_id: 0
      host_id: 1009
      size: 1
    - container_id: 1
      host_id: 384288
      size: 35536
  kernel: 3.10.0-1160.36.2.el7.x86_64
  linkmode: dynamic
  logDriver: k8s-file
  memFree: 187011858432
  memTotal: 201216163840
  networkBackend: cni
  ociRuntime:
    name: runc
    package: Unknown
    path: /export/home/rkn/.local/container/sbin/runc
    version: |-
      runc version 1.1.0
      spec: 1.0.2-dev
      go: go1.16.13
      libseccomp: 2.3.1
  os: linux
  remoteSocket:
    path: /run/user/1009/podman/podman.sock
  security:
    apparmorEnabled: false
    capabilities:
CAP_AUDIT_WRITE,CAP_CHOWN,CAP_DAC_OVERRIDE,CAP_FOWNER,CAP_FSETID,CAP_KILL,CAP_MKNOD,CAP_NET_BIND_SERVICE,CAP_NET_RAW,CAP_SETFCAP,CAP_SETGID,CAP_SETPCAP,CAP_SETUID,CAP_SYS_CHROOT
    rootless: true
    seccompEnabled: true
    seccompProfilePath: ""
    selinuxEnabled: false
  serviceIsRemote: false
  slirp4netns:
    executable: /export/home/rkn/.local/container/bin/slirp4netns
    package: Unknown
    version: |-
      slirp4netns version 1.1.12
      commit: 7a104a101aa3278a2152351a082a6df71f57c9a3
      libslirp: 4.6.1.55-888d
      SLIRP_CONFIG_VERSION_MAX: 4
      libseccomp: 2.3.1
  swapFree: 34359734272
  swapTotal: 34359734272
  uptime: 383h 25m 55.95s (Approximately 15.96 days)
plugins:
  log:
  - k8s-file
  - none
  - passthrough
  network:
  - bridge
  - macvlan
  - ipvlan
  volume:
  - local
registries: {}
store:
  configFile: /export/home/rkn/.local/container/shareconfig/containers/storage.conf
  containerStore:
    number: 1
    paused: 0
    running: 0
    stopped: 1
  graphDriverName: overlay
  graphOptions:
    overlay.force_mask: "777"
    overlay.mount_program:
      Executable: /export/home/rkn/.local/container/bin/fuse-overlayfs
      Package: Unknown
      Version: |-
        fusermount3 version: 3.10.4
        fuse-overlayfs: version 1.8.2
        FUSE library version 3.10.3
        using FUSE kernel interface version 7.31
    overlay.mountopt: nodev,fsync=0
  graphRoot: /export/home/rkn/.local/share/containers/storage
  graphStatus:
    Backing Filesystem: <unknown>
    Native Overlay Diff: "false"
    Supports d_type: "true"
    Using metacopy: "false"
  imageCopyTmpDir: /var/tmp
  imageStore:
    number: 1
  runRoot: /run/user/1009/containers
  volumePath: /export/home/rkn/.local/share/containers/storage/volumes
version:
  APIVersion: 4.0.2
  Built: 1648031621
  BuiltTime: Wed Mar 23 18:33:41 2022
  GitCommit: c99f9f1b6960b98158b7f5fc4e6b5ac1a10b3542
  GoVersion: go1.16.13
  OsArch: linux/amd64
  Version: 4.0.2