OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-345392-0): addr:0a:8e:06:75:49:11
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-657115-0): addr:e2:a2:d9:b8:a0:30
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-9838f2-0): addr:12:9e:22:9d:03:b5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:b6:ac:a7:ef:0d:34
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
