OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-9ee674-0): addr:ea:a7:b8:e1:48:34
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:f6:11:89:71:cf:bd
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
