OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-a82ec8-0): addr:46:78:a4:3b:73:c0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:1a:d4:06:c2:1a:d3
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
