OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-93d50a-0): addr:c2:26:70:68:56:42
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:16:cb:fc:f7:58:97
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
