KVM - Create Temporary Network Config

virsh net-create --file ABSOLUTE_FILE_PATH

Example Files

bridge.xml

<network>
  <name>br0</name>
  <forward mode="bridge"/>
  <bridge name="br0" />
</network>

bridge.xml

<network>
  <name>examplebridge</name>
  <forward mode='route'/>
  <bridge name='kvmbr0' stp='on' delay='0'/>
  <ip address='192.168.1.11' netmask='255.255.255.0' />
</network>