Comment # 4 on bug 1001554 from Ronan Chagas

I see these messages in journald log every time I hit the eject button in Files
(nautilus):

set 28 19:54:30 ronanarraes-osn tracker-extract[2639]: Unmount operation
failed, adding back mount point...
set 28 19:54:30 ronanarraes-osn tracker-miner-f[2645]: Unmount operation
failed, adding back mount point...