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Problems creating a podman machine on WSL that uses user mode networking #28392

@conbruno

Description

@conbruno

Issue Description

Installing Podman and creating the default machine WITH user mode networking enabled leads to commands that need dns resolution not working such as but not limited to podman compose up --build.

Steps to reproduce the issue

Steps to reproduce the issue
-1. set wsl to mirrored mode.
0. delete podman and "unregister" old podman distros if you had podman installed and running already.

  1. install podman.
  2. go through the initial setup.
  3. go to resources and create a podman machine WITH user mode networking enabled.
  4. after podman toasts that it is done open windows terminal and podman-machine-default and podman-net-usermode distros should be created.
  5. connect to a vpn.
  6. attach to podman-machine-default:
[user@computer~]$ ping google.com
^C --> not working
[user@computer~]$ cat /etc/resolv.conf

nameserver 192.168.127.1
[user@computer~]$ ls -l /etc/resolv.conf
--> not a symlink
[user@computer~]$ cat /etc/wsl.conf
[user]
default=user

[network]
generateResolvConf = false

Describe the results you received

Two distros were created:

podman-machine-default
-> can not resolve dns when host is connected to vpn.

podman-net-usermode
-> can resolve dns when host is connected to vpn.
BUT:
podman-net-usermode is apparently not used.

Describe the results you expected

That podman actually uses the second working distro somehow OR
That only podman-machine-default is created but with a generated resolv.conf (this works on all other wsl distros and does not break when the host is connected to a vpn).

podman info output

Client:
  APIVersion: 5.8.1
  Built: 1773259081
  BuiltTime: Wed Mar 11 20:58:01 2026
  GitCommit: c6077f645788743258a1a749f8005b4fb3cbe533
  GoVersion: go1.26.1
  Os: windows
  OsArch: windows/amd64
  Version: 5.8.1
host:
  arch: amd64
  buildahVersion: 1.43.0
  cgroupControllers:
  - cpuset
  - cpu
  - io
  - memory
  - hugetlb
  - pids
  - rdma
  cgroupManager: cgroupfs
  cgroupVersion: v2
  conmon:
    package: conmon-2.2.1-2.fc43.x86_64
    path: /usr/bin/conmon
    version: 'conmon version 2.2.1, commit: '
  cpuUtilization:
    idlePercent: 99.63
    systemPercent: 0.22
    userPercent: 0.15
  cpus: 20
  databaseBackend: sqlite
  distribution:
    distribution: fedora
    variant: container
    version: "43"
  eventLogger: journald
  freeLocks: 2048
  hostname: CEPF4DKY46
  idMappings:
    gidmap: null
    uidmap: null
  kernel: 6.6.87.2-microsoft-standard-WSL2
  linkmode: dynamic
  logDriver: journald
  memFree: 15393984512
  memTotal: 16623239168
  networkBackend: netavark
  networkBackendInfo:
    backend: netavark
    defaultNetwork: podman
    dns:
      package: aardvark-dns-1.17.0-1.fc43.x86_64
      path: /usr/libexec/podman/aardvark-dns
      version: aardvark-dns 1.17.0
    package: netavark-1.17.2-1.fc43.x86_64
    path: /usr/libexec/podman/netavark
    version: netavark 1.17.2
  ociRuntime:
    name: crun
    package: crun-1.25.1-1.fc43.x86_64
    path: /usr/bin/crun
    version: |-
      crun version 1.25.1
      commit: 156ae065d4a322d149c7307034f98d9637aa92a2
      rundir: /run/crun
      spec: 1.0.0
      +SYSTEMD +SELINUX +APPARMOR +CAP +SECCOMP +EBPF +CRIU +LIBKRUN +WASM:wasmedge +YAJL
  os: linux
  pasta:
    executable: /usr/bin/pasta
    package: passt-0^20260120.g386b5f5-1.fc43.x86_64
    version: |
      pasta 0^20260120.g386b5f5-1.fc43.x86_64
      Copyright Red Hat
      GNU General Public License, version 2 or later
        <https://www.gnu.org/licenses/old-licenses/gpl-2.0.html>
      This is free software: you are free to change and redistribute it.
      There is NO WARRANTY, to the extent permitted by law.
  remoteSocket:
    exists: true
    path: unix:///run/podman/podman.sock
  rootlessNetworkCmd: pasta
  security:
    apparmorEnabled: false
    capabilities: CAP_CHOWN,CAP_DAC_OVERRIDE,CAP_FOWNER,CAP_FSETID,CAP_KILL,CAP_NET_BIND_SERVICE,CAP_SETFCAP,CAP_SETGID,CAP_SETPCAP,CAP_SETUID,CAP_SYS_CHROOT
    rootless: false
    seccompEnabled: true
    seccompProfilePath: /usr/share/containers/seccomp.json
    selinuxEnabled: false
  serviceIsRemote: true
  slirp4netns:
    executable: ""
    package: ""
    version: ""
  swapFree: 4294967296
  swapTotal: 4294967296
  uptime: 0h 28m 22.00s
  variant: ""
plugins:
  authorization: null
  log:
  - k8s-file
  - none
  - passthrough
  - journald
  network:
  - bridge
  - macvlan
  - ipvlan
  volume:
  - local
registries:
  search:
  - docker.io
store:
  configFile: /usr/share/containers/storage.conf
  containerStore:
    number: 0
    paused: 0
    running: 0
    stopped: 0
  graphDriverName: overlay
  graphOptions:
    overlay.additionalImageStores:
    - /usr/lib/containers/storage
    overlay.imagestore: /usr/lib/containers/storage
    overlay.mountopt: nodev,metacopy=on
  graphRoot: /var/lib/containers/storage
  graphRootAllocated: 1081101176832
  graphRootUsed: 898977792
  graphStatus:
    Backing Filesystem: extfs
    Native Overlay Diff: "false"
    Supports d_type: "true"
    Supports shifting: "true"
    Supports volatile: "true"
    Using metacopy: "true"
  imageCopyTmpDir: /var/tmp
  imageStore:
    number: 0
  runRoot: /run/containers/storage
  transientStore: false
  volumePath: /var/lib/containers/storage/volumes
version:
  APIVersion: 5.8.1
  BuildOrigin: 'Copr: packit/containers-podman-28250'
  Built: 1773187200
  BuiltTime: Wed Mar 11 01:00:00 2026
  GitCommit: c6077f645788743258a1a749f8005b4fb3cbe533
  GoVersion: go1.25.7 X:nodwarf5
  Os: linux
  OsArch: linux/amd64
  Version: 5.8.1

Podman in a container

No

Privileged Or Rootless

Privileged

Upstream Latest Release

Yes

Additional environment details

WSL is in mirrored mode.

Additional information

I can fix the setup by setting generateResolvConf = true, removing /etc/resolv.conf and restarting the wsl.

But what is the point about giving me a setting when it does not work? And what is the point of the podman-net-usermode WSL distro if I have to reconfigure podman-machine-default to make it work?

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