OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-e9717b-0): addr:f2:e4:61:69:ad:4f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-3ec410-0): addr:a2:3c:71:49:f1:11
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-d80bc7-0): addr:32:56:ff:f1:0d:0e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:92:32:00:09:7a:f2
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
