OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-24a5fd-0): addr:7e:a4:ae:d7:4d:b8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-910260-0): addr:fe:77:f6:01:1b:ff
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ea:29:fe:c9:eb:9e
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
