[root@controller ~]# ip addr show br-ex 10: br-ex: mtu 1500 qdisc noqueue state UNKNOWN qlen 1000 link/ether d6:57:55:2f:b5:47 brd ff:ff:ff:ff:ff:ff inet 192.168.2.34/24 brd 192.168.2.255 scope global br-ex valid_lft forever preferred_lft forever inet6 fe80::d457:55ff:fe2f:b547/64 scope link valid_lft forever preferred_lft forever [root@controller ~]# ip addr show eth0 2: eth0: mtu 1500 qdisc pfifo_fast master ovs-system state UP qlen 1000 link/ether 52:54:00:6b:55:21 brd ff:ff:ff:ff:ff:ff inet6 fe80::5054:ff:fe6b:5521/64 scope link valid_lft forever preferred_lft forever