OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-a86ecc-0): addr:9e:33:98:65:0b:8f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:3e:24:47:3d:5c:d3
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
