Moving to POST:

http://post-office.corp.redhat.com/archives/rhvirt-patches/2014-May/msg00299.html

Verify it as follows. The result is expected. Move its status to VERIFIED.

# rpm -q libvirt
libvirt-0.10.2-29.el6_5.8.x86_64

# virsh net-dumpxml default
<network>
  <name>default</name>
  <uuid>ebfbd87d-cf22-483a-bfb7-776add027844</uuid>
  <forward mode='nat'/>
  <bridge name='virbr0' stp='on' delay='0' />
  <mac address='52:54:00:30:BC:DF'/>
  <bandwidth>
    <inbound average='512' peak='1024' burst='32'/>
    <outbound average='512' peak='1024' burst='32'/>
  </bandwidth>
  <ip address='192.168.122.1' netmask='255.255.255.0'>
    <dhcp>
      <range start='192.168.122.2' end='192.168.122.254' />
    </dhcp>
  </ip>
</network>

# tc -d filter show dev virbr0 parent ffff:
filter protocol all pref 49152 u32 
filter protocol all pref 49152 u32 fh 800: ht divisor 1 
filter protocol all pref 49152 u32 fh 800::800 order 2048 key ht 800 bkt 0 flowid :1 
  match 00000000/00000000 at 0
 police 0x3 rate 4096Kbit burst 32Kb mtu 64Kb action drop overhead 0b 
ref 1 bind 1

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-2014-0560.html