uname -a
Linux build.local 2.6.32-279.14.1.el6.x86_64 #1 SMP Tue Nov 6 23:43:09 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
cat /etc/redhat-release
CentOS release 6.3 (Final)
File not found: /root/rpmbuild/BUILDROOT/Percona-Server-55-5.5.28-rel29.2.36 0.rhel6.x86_64/usr/lib64/mysql/plugin/daemon_example.ini
File not found: /root/rpmbuild/BUILDROOT/Percona-Server-55-5.5.28-rel29.2.36 0.rhel6.x86_64/usr/lib64/mysql/plugin/adt_null.so
File not found: /root/rpmbuild/BUILDROOT/Percona-Server-55-5.5.28-rel29.2.36 0.rhel6.x86_64/usr/lib64/mysql/plugin/libdaemon_example.so
File not found: /root/rpmbuild/BUILDROOT/Percona-Server-55-5.5.28-rel29.2.36 0.rhel6.x86_64/usr/lib64/mysql/plugin/mypluglib.so
File not found: /root/rpmbuild/BUILDROOT/Percona-Server-55-5.5.28-rel29.2.36 0.rhel6.x86_64/usr/lib64/mysql/plugin/semisync_master.so
File not found: /root/rpmbuild/BUILDROOT/Percona-Server-55-5.5.28-rel29.2.36 0.rhel6.x86_64/usr/lib64/mysql/plugin/semisync_slave.so
File not found: /root/rpmbuild/BUILDROOT/Percona-Server-55-5.5.28-rel29.2.36 0.rhel6.x86_64/usr/lib64/mysql/plugin/auth.so
File not found: /root/rpmbuild/BUILDROOT/Percona-Server-55-5.5.28-rel29.2.36 0.rhel6.x86_64/usr/lib64/mysql/plugin/auth_socket.so
File not found: /root/rpmbuild/BUILDROOT/Percona-Server-55-5.5.28-rel29.2.36 0.rhel6.x86_64/usr/lib64/mysql/plugin/auth_test_plugin.so
File not found: /root/rpmbuild/BUILDROOT/Percona-Server-55-5.5.28-rel29.2.36 0.rhel6.x86_64/usr/lib64/mysql/plugin/qa_auth_client.so
File not found: /root/rpmbuild/BUILDROOT/Percona-Server-55-5.5.28-rel29.2.36 0.rhel6.x86_64/usr/lib64/mysql/plugin/qa_auth_interface.so
File not found: /root/rpmbuild/BUILDROOT/Percona-Server-55-5.5.28-rel29.2.36 0.rhel6.x86_64/usr/lib64/mysql/plugin/qa_auth_server.so
File not found: /root/rpmbuild/BUILDROOT/Percona-Server-55-5.5.28-rel29.2.36 0.rhel6.x86_64/usr/lib64/mysql/plugin/auth_pam.so
File not found: /root/rpmbuild/BUILDROOT/Percona-Server-55-5.5.28-rel29.2.36 0.rhel6.x86_64/usr/lib64/mysql/plugin/auth_pam_compat.so
File not found: /root/rpmbuild/BUILDROOT/Percona-Server-55-5.5.28-rel29.2.36 0.rhel6.x86_64/usr/lib64/mysql/plugin/dialog.so
<snip lots of the same errors>
Similar to this error: https://bugs.launchpad.net/percona-xtradb-cluster/+bug/1087118
bug #1099809 makred as duplicate of this one