OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-a23dd6-0): addr:a2:47:8d:a9:9c:a4
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-ad0cdb-0): addr:e6:5e:91:fb:c0:2e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-2c2076-0): addr:fa:92:60:4d:e4:71
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:5e:e1:96:cf:c2:78
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
