Verified the bug on qemu-kvm-rhev-0.12.1.2-2.406.el6, the issue does not exist any more.

[root@localhost ~]# rpm -q qemu-kvm-rhev
qemu-kvm-rhev-0.12.1.2-2.406.el6.x86_64
[root@localhost ~]# 
[root@localhost ~]# rpm -q qemu-kvm-rhev --provides 
config(qemu-kvm-rhev) = 2:0.12.1.2-2.406.el6
kvm = 85
qemu-kvm = 2:0.12.1.2-2.406.el6
qemu-kvm-rhev = 2:0.12.1.2-2.406.el6
qemu-kvm-rhev(x86-64) = 2:0.12.1.2-2.406.el6
[root@localhost ~]# 
[root@localhost ~]# 
[root@localhost ~]# rpm -q qemu-kvm-rhev --conflicts
qemu-kvm-rhel  
qemu-kvm <= 2:0.12.1.2-2.352.el6
vdsm < 4.5
[root@localhost ~]# 
[root@localhost ~]# rpm -V qemu-kvm-rhev
[root@localhost ~]# echo $?
0
[root@localhost ~]#

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHSA-2013-1754.html