POSTIN

/bin/sh

   # Start services if there are ports present
   if [ -d /dev/virtio-ports ]; then
      (find /dev/virtio-ports -iname 'org.systemtap.stapsh.[0-9]*' -type l \
         | xargs -n 1 basename \
         | xargs -n 1 -I {} /bin/systemctl start stapsh@{}.service) >/dev/null 2>&1 || :
   fi
exit 0