[Bug 1685796] [NEW] systemctl -H user at host hangs after execution

[Stefan Helmert]

Public bug reported:

Ubuntu 16.04.2 (x86_64)

systemd 229
+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ -LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD -IDN

OpenSSH_7.2p2 Ubuntu-4ubuntu2.1, OpenSSL 1.0.2g  1 Mar 2016

If I execute:

systemctl -H root at 127.0.0.1 restart networking

The command is executed correctly but it hangs forever. If I run it
localy:

systemctl restart networking

It is also executed correctly, but it does not hang at the end if the
command.

** Affects: systemd (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: remote ssh systemctl

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https://bugs.launchpad.net/bugs/1685796

Title:
  systemctl -H user at host hangs after execution

Status in systemd package in Ubuntu:
  New

Bug description:
  Ubuntu 16.04.2 (x86_64)

  systemd 229
  +PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ -LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD -IDN

  OpenSSH_7.2p2 Ubuntu-4ubuntu2.1, OpenSSL 1.0.2g  1 Mar 2016

  If I execute:

  systemctl -H root at 127.0.0.1 restart networking

  The command is executed correctly but it hangs forever. If I run it
  localy:

  systemctl restart networking

  It is also executed correctly, but it does not hang at the end if the
  command.

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