OFPST_PORT_DESC reply (xid=0x2):
 2(ovn-28c39d-0): addr:b2:f9:16:96:20:79
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:96:d0:b4:f6:27:be
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
