OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-43d353-0): addr:e2:60:63:ea:5c:38
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-3e110c-0): addr:22:1f:bd:4d:ce:29
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-fbdfc6-0): addr:ba:ff:a6:5e:10:5d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:66:6a:5c:d9:ae:8d
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
