OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-cbaa5e-0): addr:a6:da:f2:d9:36:45
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-0e65d7-0): addr:22:bb:c2:7b:32:23
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-e231b2-0): addr:8e:3f:6f:b4:40:3e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:3a:1a:2b:79:ad:96
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
