OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-673908-0): addr:9e:9f:b7:0e:9d:26
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:1a:21:e7:a3:d9:3d
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
