OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-ef96f9-0): addr:96:47:80:9a:6e:3b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:96:f1:e1:95:fc:8b
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
