Without further ado, the following was found: Issue: "-o remount" → B<-o remount> "Since util-linux 2.31, B<mount> ignores the B<bind> flag from I</etc/fstab> " "on a B<remount> operation (if \"-o remount\" is specified on command line). " "This is necessary to fully control mount options on remount by command line. " "In previous versions the bind flag has been always applied and it was " "impossible to re-define mount options without interaction with the bind " "semantic. This B<mount> behavior does not affect situations when \"remount," "bind\" is specified in the I</etc/fstab> file."