fprintf(stderr,"-->Mounting file system from base image...");
  if(mount("/mnt", mount_dir, NULL, MS_SHARED , NULL)){
      fprintf(stderr, "%s Failed..%mn",mount_dir);
      return -1;
    }else{
      fprintf(stderr,"Successn");
    }
    fprintf(stderr,"-->Remounting mount point as MS_PRIVATE...");
    if(mount(NULL, mount_dir, NULL, MS_REMOUNT | MS_PRIVATE, NULL)){
      fprintf(stderr,"Failed..%mn");
      return -1;
    }else{
      fprintf(stderr, "Success.n");
    }