OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-2c2076-0): addr:22:9c:c6:7a:80:f8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-a23dd6-0): addr:ee:0c:36:7d:db:c5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-f116e4-0): addr:52:d6:eb:05:e1:f1
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:b2:6e:70:b6:41:1f
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
