OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-d9fd1e-0): addr:c2:77:eb:ec:e9:ef
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-c4fa18-0): addr:26:0c:ff:fd:18:e1
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-c803af-0): addr:da:e4:cf:12:d1:8d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:0e:46:76:8a:f5:4d
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
