OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-5b2e3b-0): addr:c2:c6:0a:e2:ea:8e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-5af9fd-0): addr:42:4c:9f:17:2b:5a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:2e:6e:bd:da:d2:27
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
