OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-df0984-0): addr:ca:fa:3f:ea:59:bf
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-4984e1-0): addr:02:96:af:89:76:fd
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-e686e2-0): addr:12:18:63:80:c3:3d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:c6:c9:2f:bd:2f:12
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
