OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-cf1f56-0): addr:0e:4e:22:04:7c:d7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-f42526-0): addr:1e:2a:9a:01:13:e6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:96:43:fc:5e:b3:b2
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
