OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-14933f-0): addr:2e:94:6c:fe:3b:09
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-c99109-0): addr:4e:8b:ae:9c:2c:f8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:96:c0:de:ae:f0:45
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
