OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-bfdd72-0): addr:be:c5:e0:dd:94:a5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-db2221-0): addr:7a:96:16:ca:f7:b8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-17f118-0): addr:8e:b0:c5:1b:e4:ea
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ce:fd:61:df:e2:f9
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
