OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-964ae1-0): addr:de:bf:c0:3a:61:01
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-ec52a2-0): addr:ee:63:b7:41:29:14
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:fa:d8:03:4d:36:bd
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
