OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-35ad8f-0): addr:1e:75:d3:b7:66:ed
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:a2:7a:f2:6a:13:66
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
