Bug#918606: systemd: Missing portablectl and portabled in systemd 239+

[D.S. Ljungmark]

Package: systemd
Version: 239-12~bpo9+1
Severity: normal

Dear Maintainer,

Systemd 239 and above have a major new feature in the form of Portable
services. Doing it adds a new service (portabled) with dbus-api's and a
console utility (portablectl) to control those service.

These are missing in the Debian packaged version of systemd, and we'd
really want to use them in our Debian-based production infra. 

The features are stand-alone and can happily be disabled by default, but
it'd be very nice to not have to rebuild systemd just to get these
service.

-- Package-specific info:

-- System Information:
Debian Release: 9.6
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: armhf (armv7l)

Kernel: Linux 4.14.71-ti-r80 (SMP w/1 CPU core; PREEMPT)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=locale: Cannot set LC_ALL to default locale: No such file or directory
UTF-8), LANGUAGE=en_US.UTF-8 (charmap=locale: Cannot set LC_ALL to default locale: No such file or directory
UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages systemd depends on:
ii  adduser         3.115
ii  libacl1         2.2.52-3+b1
ii  libapparmor1    2.11.0-3+deb9u2
ii  libaudit1       1:2.6.7-2
ii  libblkid1       2.29.2-1+deb9u1
ii  libc6           2.24-11+deb9u3
ii  libcap2         1:2.25-1
ii  libcryptsetup4  2:1.7.3-4
ii  libgcrypt20     1.7.6-2+deb9u3
ii  libgnutls30     3.5.8-5+deb9u4
ii  libgpg-error0   1.26-2
ii  libidn11        1.33-1
ii  libip4tc0       1.6.0+snapshot20161117-6
ii  libkmod2        23-2rcnee1~stretch+20171005
ii  liblz4-1        0.0~r131-2+b1
ii  liblzma5        5.2.2-1.2+b1
ii  libmount1       2.29.2-1+deb9u1
ii  libpam0g        1.1.8-3.6
ii  libseccomp2     2.3.1-2.1+deb9u1
ii  libselinux1     2.6-3+b3
ii  libsystemd0     239-12~bpo9+1
ii  mount           2.29.2-1+deb9u1
ii  procps          2:3.3.12-3+deb9u1
ii  util-linux      2.29.2-1+deb9u1

Versions of packages systemd recommends:
ii  dbus            1.10.26-0+deb9u1
ii  libpam-systemd  239-12~bpo9+1

Versions of packages systemd suggests:
pn  policykit-1        <none>
ii  systemd-container  239-12~bpo9+1

Versions of packages systemd is related to:
pn  dracut           <none>
ii  initramfs-tools  0.130
ii  udev             232-25+deb9u6

-- Configuration Files:
/etc/systemd/journald.conf changed [not included]

-- debconf information excluded