OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-8c0c8e-0): addr:6e:2d:e5:03:0a:77
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-c86a09-0): addr:8a:cd:cf:5e:b4:38
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:f6:c7:3a:a5:f7:3b
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
