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scipio dev environmnet
virsh net-edit default
<ip address='192.168.122.1' netmask='255.255.255.0'> <tftp root='/livenet/boot'/> <dhcp> <range start='192.168.122.2' end='192.168.122.254'/> <bootp file='/pxelinux.0'> </dhcp> </ip>
virsh net-destroy default virsh net-start default