virsh attach-interface 添加网卡:
[root@ubuntu ~]# virsh domiflist CentOS-V6.5.23-server01
Interface Type Source Model MAC
-------------------------------------------------------
vnet0 network default rtl8139 52:54:00:90:0a:7a
[root@ubuntu ~]# virsh attach-interface CentOS-V6.5.23-server01 --type network --source default --model rtl8139 --current
Interface attached successfully
[root@ubuntu ~]# virsh domiflist CentOS-V6.5.23-server01
Interface Type Source Model MAC
-------------------------------------------------------
vnet0 network default rtl8139 52:54:00:90:0a:7a
vnet1 network default rtl8139 52:54:00:ae:84:d0
virsh dumpxml 导出配置:
[root@ ~]# virsh dumpxml CentOS-V6.5.23-server01 > /etc/libvirt/qemu/CentOS-V6.5.23-server01.xml
virsh detach-interface 删除网卡:
[root@ubuntu ~]# virsh detach-interface CentOS-V6.5.23-server01 --type network --mac 52:54:00:00:34:55 --current
Interface detached successfully
[root@ubuntu ~]# virsh domiflist CentOS-V6.5.23-server01
Interface Type Source Model MAC
-------------------------------------------------------
vnet0 network default rtl8139 52:54:00:90:0a:7a
原文:https://www.cnblogs.com/wshenjin/p/11060636.html