OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-ce396d-0): addr:8e:bc:92:b1:4e:de
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-3ec1c3-0): addr:52:a0:18:eb:d8:04
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-ec6ba8-0): addr:16:04:08:4b:f1:9b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:86:b8:27:ae:ff:97
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
