# Pastebin 1eVl6UTk
+ echo Discarding preserved snap namespaces
Discarding preserved snap namespaces
+ [ -d /run/snapd/ns ]
+ wc -l
+ find /run/snapd/ns/ -name *.mnt
+ [ 1 -gt 0 ]
+ echo B
B
+ ls -ld /run/snapd/ns/test-snapd-tools.mnt
-r--r--r-- 1 root root 0 Oct 18 11:30 /run/snapd/ns/test-snapd-tools.mnt
+ stat /run/snapd/ns/test-snapd-tools.mnt
  File: ‘/run/snapd/ns/test-snapd-tools.mnt’
  Size: 0         	Blocks: 0          IO Block: 4096   regular empty file
Device: 3h/3d	Inode: 4026532201  Links: 1
Access: (0444/-r--r--r--)  Uid: (    0/    root)   Gid: (    0/    root)
Access: 2018-10-18 11:30:06.409265836 +0000
Modify: 2018-10-18 11:30:06.409265836 +0000
Change: 2018-10-18 11:30:06.409265836 +0000
 Birth: -
+ stat -f /run/snapd/ns/test-snapd-tools.mnt
  File: "/run/snapd/ns/test-snapd-tools.mnt"
    ID: 0        Namelen: 255     Type: UNKNOWN (0x6e736673)
Block size: 4096       Fundamental block size: 4096
Blocks: Total: 0          Free: 0          Available: 0
Inodes: Total: 0          Free: 0
+ umount -l /run/snapd/ns/test-snapd-tools.mnt
umount: /run/snapd/ns/test-snapd-tools.1000.mnt: not found
+ true
+ rm -f /run/snapd/ns/test-snapd-tools.mnt
rm: cannot remove ‘/run/snapd/ns/test-snapd-tools.mnt’: Device or resource busy