This was fixed in yakkety-- not sure why it wasn't auto-closed.
ubuntu-core-launcher (1.0.29) yakkety; urgency=medium
* debian/usr.bin.ubuntu-core-launcher: add workaround rules for ecryptfs until the upcoming kernel fix lands everywhere (LP: #1574556)
This was fixed in yakkety-- not sure why it wasn't auto-closed.
ubuntu- core-launcher (1.0.29) yakkety; urgency=medium
* debian/ usr.bin. ubuntu- core-launcher: add workaround rules for ecryptfs
until the upcoming kernel fix lands everywhere (LP: #1574556)