# systemctl status snap-core-2898.mount
* snap-core-2898.mount - Mount unit for core
Loaded: loaded (/etc/systemd/system/snap-core-2898.mount; enabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Sun 2017-09-24 13:17:33 UTC; 7min ago
Where: /snap/core/2898
What: /var/lib/snapd/snaps/core_2898.snap
Process: 598 ExecMount=/bin/mount /var/lib/snapd/snaps/core_2898.snap /snap/core/2898 -t squashfs -o nodev,ro (code=exited, status=32)
Sep 24 13:17:33 nextcloud systemd[1]: Mounting Mount unit for core...
Sep 24 13:17:33 nextcloud mount[598]: mount: /snap/core/2898: mount failed: Unknown error -1
Sep 24 13:17:33 nextcloud systemd[1]: snap-core-2898.mount: Mount process exited, code=exited status=32
Sep 24 13:17:33 nextcloud systemd[1]: Failed to mount Mount unit for core.
Sep 24 13:17:33 nextcloud systemd[1]: snap-core-2898.mount: Unit entered failed state