مشکل در yum update

[OmidX]

دوستان ، موقع اپدیت این ارور رو دارم :

[root@server ]# yum update
Loaded plugins: fastestmirror, security
Loading mirror speeds from cached hostfile
 * base: mirror.sov.uk.goscomb.net
 * extras: mirror.sov.uk.goscomb.net
 * rpmforge: www.mirrorservice.org
 * updates: mirror.sov.uk.goscomb.net
Setting up Update Process
Resolving Dependencies
--> Running transaction check
---> Package python-netaddr.noarch 0:0.7.5-4.el6 will be updated
---> Package python-netaddr.noarch 0:0.7.10-1.el5.rf will be an update
--> Processing Dependency: python(abi) = 2.4 for package: python-netaddr-0.7.10-1.el5.rf.noarch
---> Package python-paramiko.noarch 0:1.7.5-2.1.el6 will be updated
---> Package python-paramiko.noarch 0:1.7.6-1.el5.rf will be an update
--> Processing Dependency: python(abi) = 2.4 for package: python-paramiko-1.7.6-1.el5.rf.noarch
--> Finished Dependency Resolution
Error: Package: python-paramiko-1.7.6-1.el5.rf.noarch (rpmforge)
           Requires: python(abi) = 2.4
           Installed: python-2.6.6-52.el6.x86_64 (@updates)
               python(abi) = 2.6
           Available: python-2.6.6-51.el6.x86_64 (base)
               python(abi) = 2.6
Error: Package: python-netaddr-0.7.10-1.el5.rf.noarch (rpmforge)
           Requires: python(abi) = 2.4
           Installed: python-2.6.6-52.el6.x86_64 (@updates)
               python(abi) = 2.6
           Available: python-2.6.6-51.el6.x86_64 (base)
               python(abi) = 2.6
 You could try using --skip-broken to work around the problem
 You could try running: rpm -Va --nofiles --nodigest

مشکل از کجاست ؟