OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-2b86a2-0): addr:72:9a:b7:e6:2d:a1
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:fe:63:02:67:02:3e
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
