1GLIBC_2.17 __libpthread_version_placeholder F
2GLIBC_2.18 __libpthread_version_placeholder F
3GLIBC_2.28 __libpthread_version_placeholder F
4GLIBC_2.30 __libpthread_version_placeholder F
5GLIBC_2.31 __libpthread_version_placeholder F
6