RHEL 5 create VM guest under KVM virtualization failed

Issue

When tried to setup a VM with virt-manager, it was failed and showed the following error message.

Unable to complete install 'libvirt.libvirtError internal error Process exited while reading console log output: 10:12:32.432: debug : qemudInitCpuAffinity:2259 : Setting CPU affinity
10:12:32.434: debug : qemuSecurityDACSetProcessLabel:547 : Dropping privileges of VM to 0:0
10:12:32.435: debug : __virExec:640 : Hook function failed.
libvir: Security Labeling error : unable to set security context 'system_u:system_r:svirt_t:s0:c15,c173': Invalid argument

Traceback (most recent call last):
  File "/usr/share/virt-manager/virtManager/create.py", line 730, in do_install
    dom = guest.start_install(False, meter = meter)
  File "/usr/lib/python2.4/site-packages/virtinst/Guest.py", line 541, in start_install
    return self._do_install(consolecb, meter, removeOld, wait)
  File "/usr/lib/python2.4/site-packages/virtinst/Guest.py", line 633, in _do_install
    self.domain = self.conn.createLinux(install_xml, 0)
  File "/usr/lib64/python2.4/site-packages/libvirt.py", line 1277, in createLinux
    if ret is None:raise libvirtError('virDomainCreateLinux() failed', conn=self)
libvirtError: internal error Process exited while reading console log output: 10:1:3.4: debug : qemudInitCpuAffinity:2259 : Setting CPU affinity
10:12:32.434: debug : qemuSecurityDACSetProcessLabel:547 : Dropping privileges of VM to 0:0
10:12:32.435: debug : __virExec:640 : Hook function failed.
libvir: Security Labeling error : unable to set security context 'system_u:system_r:svirt_t:s0:c15,c173': Invalid argument'