1GLIBC_2.11 __libpthread_version_placeholder F 2GLIBC_2.12 __libpthread_version_placeholder F 3GLIBC_2.18 __libpthread_version_placeholder F 4GLIBC_2.28 __libpthread_version_placeholder F 5GLIBC_2.30 __libpthread_version_placeholder F 6GLIBC_2.31 __libpthread_version_placeholder F 7GLIBC_2.4 __libpthread_version_placeholder F 8