OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-97625a-0): addr:66:e2:21:02:12:d7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-47f9f7-0): addr:fa:8a:f5:5e:cf:18
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:d6:78:11:63:92:64
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
