SLE 11 does not ship systemd and then using systemctl poweroff does not work. Therefore we fall back to using /sbin/shutdown for machines without systemd. This fixes https://github.com/hashicorp/vagrant/issues/12487
SLE 11 does not ship systemd and then using systemctl poweroff does not work. Therefore we fall back to using /sbin/shutdown for machines without systemd. This fixes https://github.com/hashicorp/vagrant/issues/12487