OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-6619b8-0): addr:2e:4e:cf:6c:a8:39
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-93e538-0): addr:16:2f:f6:fc:3d:a0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ae:0a:b3:89:7d:65
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
