This partially reverts the commit 15eaf7ece, because systemd's
  generated unit files might have incorrect dependencies at some
  circumstances, thus causing diskless nfs-clients to hang while
  unmounting root filesystem after '$ service network stop'.

  Since we are using systemd, the Default-Start/Stop keywords were
  omitted. Basically the LSB header is quite similar to LSB header of
  network service...

  Previously, there were 2 additional conditions related to this part of
  code, but they were removed in time, so this last condition has
  remained an artifact and is de-facto obsolete.

  However, the 'pidof -x dhclient' condition could cause the network
  service to hang on stop/restart when processes were executed from a
  network share... Removing that condition should hypothetically fix it.

  For currently unknown reason the dbus-send calls will fail to set the
  firewall zone for the given interface if we omit the --print-reply
  option...

  This looks like some kind of race-condition in dbus-send, since the
  --print-reply makes the call synchronous and slower.

  Hopefully this is only a temporary workaround until DBus is fixed.

  Resolves: #1586284

  Resolves: RHBZ#1583677

  This can be useful when user has this UEFI boot order e.g.:

                 Windows | grub | Linux

  And decides to boot into grub/Linux. In case the autorelabel service
  is being run after the boot into grub, then the reboot after the
  autorelabel is done will cause user to boot into Windows again...

  This change should make the behaviour more intuitive for the user.