[ovirt-users] about the bridge of the host

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: enp0s3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel master ovirtmgmt state UP group default qlen 1000 link/ether 08:00:27:94:4d:e8 brd ff:ff:ff:ff:ff:ff 3: ovs-system: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether 9e:5d:8f:94:00:86 brd ff:ff:ff:ff:ff:ff 4: br-int: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000 link/ether ea:20:e5:c3:d6:31 brd ff:ff:ff:ff:ff:ff 5: ovirtmgmt: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000 link/ether 08:00:27:94:4d:e8 brd ff:ff:ff:ff:ff:ff inet 10.1.1.7/24 brd 10.1.1.255 scope global noprefixroute ovirtmgmt valid_lft forever preferred_lft forever 21: ip_vti0@NONE: <NOARP> mtu 1480 qdisc noop state DOWN group default qlen 1000 link/ipip 0.0.0.0 brd 0.0.0.0 22: ;vdsmdummy;: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether 1e:cb:bf:02:f7:33 brd ff:ff:ff:ff:ff:ff what use of the 3/4/5/21/22 ? ( I know the item 5 ) are they all the bridge ? The out put of the brctl show appears only the ovirtmgmt and ;vdsmdummy' are bridge. [root@host1 ~]# brctl show bridge name bridge id STP enabled interfaces ;vdsmdummy; 8000.000000000000 no ovirtmgmt 8000.080027944de8 no enp0s3 [root@host1 ~]#