OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-83290d-0): addr:66:f9:69:23:a7:bf
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-5cbf2a-0): addr:02:0b:c5:f1:71:29
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:7e:69:07:55:2a:58
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
