[Bug 1635382] Re: hostnamectl does not work in lxd

[Martin Pitt]

Confirmed. systemd-hostnamed.service has "PrivateNetwork=yes" (to lock
down privileges), but unprivileged lxd containers cannot create new
network namespaces, thus you get the 225/NETWORK .

** Summary changed:

- hostnamectl does not work
+ hostnamectl does not work in lxd

** Changed in: systemd (Ubuntu)
       Status: New => Triaged

** Summary changed:

- hostnamectl does not work in lxd
+ PrivateNetwork=yes (hostnamed, localed) does not work in lxd

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Title:
  PrivateNetwork=yes (hostnamed, localed) does not work in lxd

Status in systemd package in Ubuntu:
  Triaged

Bug description:
  $ lxc launch ubuntu-daily:yakkety y-hostname1
  $ sleep 10
  $ lxc exec y-hostname1 -- hostnamectl set-hostname smoser
  <hang>
  Could not set property: Connection timed out

  $ lxc exec y-hostname1 -- systemctl status --no-pager -l systemd-hostnamed 
  ● systemd-hostnamed.service - Hostname Service
     Loaded: loaded (/lib/systemd/system/systemd-hostnamed.service; static; vendor preset: enabled)
     Active: failed (Result: exit-code) since Thu 2016-10-20 19:19:16 UTC; 1min 9s ago
       Docs: man:systemd-hostnamed.service(8)
             man:hostname(5)
             man:machine-info(5)
             http://www.freedesktop.org/wiki/Software/systemd/hostnamed
    Process: 561 ExecStart=/lib/systemd/systemd-hostnamed (code=exited, status=225/NETWORK)
   Main PID: 561 (code=exited, status=225/NETWORK)

  Oct 20 19:19:16 y-hostname1 systemd[1]: Starting Hostname Service...
  Oct 20 19:19:16 y-hostname1 systemd[1]: systemd-hostnamed.service: Main process exited, code=exited, status=225/NETWORK
  Oct 20 19:19:16 y-hostname1 systemd[1]: Failed to start Hostname Service.
  Oct 20 19:19:16 y-hostname1 systemd[1]: systemd-hostnamed.service: Unit entered failed state.
  Oct 20 19:19:16 y-hostname1 systemd[1]: systemd-hostnamed.service: Failed with result 'exit-code'.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.10
  Package: systemd 231-9git1
  ProcVersionSignature: Ubuntu 4.8.0-22.24-generic 4.8.0
  Uname: Linux 4.8.0-22-generic x86_64
  ApportVersion: 2.20.3-0ubuntu8
  Architecture: amd64
  Date: Thu Oct 20 19:02:29 2016
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.8.0-22-generic.efi.signed root=UUID=f897b32a-eacf-4191-9717-844918947069 ro quiet splash vt.handoff=7
  SourcePackage: systemd
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.vendor: Intel Corporation

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