mhall@mhall-thinkpad:~/projects/Ubuntu/snaps/git-playpen/logic$ ls /snap/logic/x2/
mhall@mhall-thinkpad:~/projects/Ubuntu/snaps/git-playpen/logic$ mount |grep logic
/dev/sda5 on /snap/logic/x1 type ext4 (rw,noatime,errors=remount-ro,data=ordered)
/dev/sda5 on /snap/logic/x2 type ext4 (rw,noatime,errors=remount-ro,data=ordered)
mhall@mhall-thinkpad:~/projects/Ubuntu/snaps/git-playpen/logic$ snap remove logic
error: cannot remove "logic": cannot find installed snap "logic" at revision x2
mhall@mhall-thinkpad:~/projects/Ubuntu/snaps/git-playpen/logic$ sudo umount /snap/logic/x2
mhall@mhall-thinkpad:~/projects/Ubuntu/snaps/git-playpen/logic$ mount |grep logic
/dev/sda5 on /snap/logic/x1 type ext4 (rw,noatime,errors=remount-ro,data=ordered)
mhall@mhall-thinkpad:~/projects/Ubuntu/snaps/git-playpen/logic$ snap remove logic
error: cannot remove "logic": cannot find installed snap "logic" at revision x2