root:/# mount -vt devpts -o gid=4,mode=620 none /dev/pts
mount: error while loading shared libraries: libblkid.so.1: cannot open shared object file: No such file or directory
找不到libblkid.so.1库文件?
看看mount文件的需求,果然mount文件找不到libblkid.so.1root:/# ldd /tools/bin/mount
libblkid.so.1 => not found
libuuid.so.1 => not found