F #1684: Don't umount not mounted devices. Add logging
F #1684: Don't umount not mounted devices. Add logging


atodorov-storpool/one,OpenNebula/one,OpenNebula/one,OpenNebula/one,baby-gnu/one,OpenNebula/one,OpenNebula/one,baby-gnu/one,baby-gnu/one,atodorov-storpool/one,atodorov-storpool/one,atodorov-storpool/one,atodorov-storpool/one,baby-gnu/one,OpenNebula/one,atodorov-storpool/one,OpenNebula/one,baby-gnu/one,atodorov-storpool/one,OpenNebula/one,atodorov-storpool/one,baby-gnu/one,baby-gnu/one,baby-gnu/one,atodorov-storpool/one,OpenNebula/one