OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-cafd13-0): addr:e2:2a:9c:b8:42:f4
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-78fa6b-0): addr:32:93:a7:c1:b3:b0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-e9dadf-0): addr:66:b6:8d:c7:27:b6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:f6:34:c7:42:bb:5d
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
