说明：之前在centos7下配置过bridge，现在讲bridge模式改为普通模式后，查看网卡的时候还是可以看到很多垃圾信息，想彻底删除自己不想要的网卡配置信息，操作如下:
[root@linux-node1 ~]# ip add list1: lo: mtu 65536 qdisc noqueue state UNKNOWN qlen 1link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft foreverinet6 ::1/128 scope host valid_lft forever preferred_lft forever2: eth0: mtu 1500 qdisc pfifo_fast state UP qlen 1000link/ether 00:0c:29:9b:7d:d6 brd ff:ff:ff:ff:ff:ffinet 10.10.10.11/24 brd 10.10.10.255 scope global eth0 valid_lft forever preferred_lft foreverinet6 fe80::20c:29ff:fe9b:7dd6/64 scope link valid_lft forever preferred_lft forever4: virbr0: mtu 1500 qdisc noqueue state DOWN qlen 1000link/ether 52:54:00:f4:24:05 brd ff:ff:ff:ff:ff:ffinet 192.168.122.1/24 brd 192.168.122.255 scope global virbr0 valid_lft forever preferred_lft forever5: virbr0-nic: mtu 1500 qdisc pfifo_fast master virbr0 state DOWN qlen 1000link/ether 52:54:00:f4:24:05 brd ff:ff:ff:ff:ff:ff
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查看网络列表：
[root@linux-node1 ~]# virsh net-list Name StateAutostart Persistent---------------------------------------------------------- defaultactive yes yes
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使用“virsh net-destroy default”删除
[root@linux-node1 ~]# virsh net-destroy defaultNetwork default destroyed
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从配置文件中剔除
[root@linux-node1 ~]# virsh net-undefine defaultNetwork default has been undefined
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重启libvirtd服务
[root@linux-node1 ~]# systemctl restart libvirtd.service[root@linux-node1 ~]# virsh net-list Name StateAutostart Persistent----------------------------------------------------------[root@linux-node1 ~]# ip add list1: lo: mtu 65536 qdisc noqueue state UNKNOWN qlen 1link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft foreverinet6 ::1/128 scope host valid_lft forever preferred_lft forever2: eth0: mtu 1500 qdisc pfifo_fast state UP qlen 1000link/ether 00:0c:29:9b:7d:d6 brd ff:ff:ff:ff:ff:ffinet 10.10.10.11/24 brd 10.10.10.255 scope global eth0 valid_lft forever preferred_lft foreverinet6 fe80::20c:29ff:fe9b:7dd6/64 scope link valid_lft forever preferred_lft forever
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再次查看，发现不必要的信息已经清除，清爽多了
以上就是CentOS7上删除virbr0网卡的步骤的详细内容，更多请关注【创想鸟】其它相关文章！
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