OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-cce53f-0): addr:9e:7e:4a:1d:b3:4d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-222e54-0): addr:f6:d9:66:31:f9:97
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ca:b9:b5:e8:8c:17
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
