Solaris 11.4 zones
error: unable to load zone datalinks: invalid argument
umount: /system/zones/testzone1/root/system/volatile busy
ERROR: unable to unmount /system/zones/testzone1/root/system/volatile.
cannot unmount '/system/zones/testzone1/root': Device busy
ERROR: unable to unmount /system/zones/testzone1/root.
ERROR: Unable to mount zone root dataset.
zoneadm: zone testzone1: call to zoneadmd(8) failed: zoneadmd(8) returned an err or 1 (unspecified error)