OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-2d947f-0): addr:6a:f9:11:d9:b6:c4
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:fa:e1:0a:85:41:41
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
