OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-f6640d-0): addr:9a:71:69:c8:76:34
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-803b13-0): addr:b2:14:a4:39:6a:0c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-feb242-0): addr:d2:bb:5d:39:82:44
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:1e:a8:40:75:df:5f
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
