Issue discussion also on github:
https://github.com/systemd/systemd/issues/1620#issuecomment-267331552
appears to be a systemd bug
** Bug watch added: github.com/systemd/systemd/issues #1620
https://github.com/systemd/systemd/issues/1620
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: cryptsetup (Ubuntu)
Status: New => Confirmed
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1630823
Title:
