OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-8d062b-0): addr:76:c8:fc:85:ad:87
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:8e:a9:b2:08:cc:ce
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
