OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-fba389-0): addr:4e:13:12:a5:d1:fe
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-576f50-0): addr:12:61:cd:42:e4:ba
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:4e:78:a3:d5:7b:46
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
