Comment 13 for bug 1795764

root@systemd-x:/tmp# dpkg -l | grep libsystemd0
ii libsystemd0:amd64 229-4ubuntu21.16 amd64 systemd utility library
root@systemd-x:/tmp# mkdir -p bind-test/abc
root@systemd-x:/tmp# mount --bind bind-test bind-test
root@systemd-x:/tmp# mount -t tmpfs tmpfs bind-test/abc
root@systemd-x:/tmp# umount bind-test/abc
root@systemd-x:/tmp# systemctl list-units --all | grep bind-test
  tmp-bind\x2dtest-abc.mount loaded inactive dead /tmp/bind-test/abc
  tmp-bind\x2dtest.mount loaded active mounted /tmp/bind-test

root@systemd-x:/tmp# dpkg -l |grep libsystemd0
ii libsystemd0:amd64 229-4ubuntu21.17 amd64 systemd utility library
root@systemd-x:/tmp# mkdir -p bind-test/abc
root@systemd-x:/tmp# mount --bind bind-test bind-test
root@systemd-x:/tmp# mount -t tmpfs tmpfs bind-test/abc
root@systemd-x:/tmp# umount bind-test/abc
root@systemd-x:/tmp# systemctl list-units --all | grep bind-test
  tmp-bind\x2dtest.mount loaded active mounted /tmp/bind-test