OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-90b35d-0): addr:2a:e0:56:1b:e3:b3
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-f13c8e-0): addr:62:7f:91:07:9e:00
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-a27e69-0): addr:de:93:1a:88:0f:c3
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:72:91:9c:1e:09:32
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
