This update for systemd fixes the following issues:

- detect-virt: do not try to read all of /proc/cpuinfo (bsc#1109197)
- emergency: make sure console password agents don't interfere with the emergency shell
- units: remove udev control socket when systemd stops the socket unit (#4039) (bsc#1015254)
- man: document that 'nofail' also has an effect on ordering
- journald: take leading spaces into account in syslog_parse_identifier
- journal: do not remove multiple spaces after identifier in syslog message
- syslog: fix segfault in syslog_parse_priority()
- journal: fix syslog_parse_identifier()
- tmpfiles: don't adjust qgroups on existing subvolumes (bsc#1093753)
- socket-util: attempt SO_RCVBUFFORCE/SO_SNDBUFFORCE only if SO_RCVBUF/SO_SNDBUF fails (bsc#991901)
- user@.service: don't kill user manager at runlevel switch (bsc#1091677)
- units: make sure user@.service runs with dbus still up
- fix race between daemon-reload and other commands (bsc#1105031)
- nspawn: always use mode 555 for /sys (bsc#1107640)
- cryptsetup: do not define arg_sector_size if libgcrypt is v1.x (#9990)
- Enable or disable machines.target according to the presets (bsc#1107941)

This update was imported from the SUSE:SLE-12-SP2:Update update project.