OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-920572-0): addr:66:e2:5d:73:2e:f8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-367c1a-0): addr:b6:02:59:be:b0:1b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-5ffd4a-0): addr:d2:22:0c:ec:d9:89
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:16:ac:2d:47:61:bd
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
