卸载虚拟网卡命令:
yum install -y libguestfs-tools
yum install -y virt-install
virsh net-list
virsh net-destroy default
virsh net-undefine default
卸载虚拟网卡命令:
yum install -y libguestfs-tools
yum install -y virt-install
virsh net-list
virsh net-destroy default
virsh net-undefine default