OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-d930b8-0): addr:72:70:c4:5b:35:48
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:3e:ee:9d:a8:b1:f6
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
