OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-a901be-0): addr:aa:71:24:f5:43:a8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-96b682-0): addr:42:5a:63:30:54:ad
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-fd4963-0): addr:16:19:95:a4:0e:e3
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:62:55:12:98:9d:fb
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
