warning: only V3 signatures can be verified, skipping V4 signature

[ธาดา]

Centos 4.7 + Percona-Server-shared-51-5.1.59

[root@localhost ~]# rpm -qa | grep -i '^percona-'
warning: only V3 signatures can be verified, skipping V4 signature
Percona-Server-client-51-5.1.59-rel13.0.325.rhel4
warning: only V3 signatures can be verified, skipping V4 signature
Percona-Server-server-51-5.1.59-rel13.0.325.rhel4
warning: only V3 signatures can be verified, skipping V4 signature
Percona-Server-shared-51-5.1.59-rel13.0.325.rhel4

ใครเคยเจอปัญหาแบบนี้ครับ แก้ยังไงครับ