OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-e6ca83-0): addr:82:dc:9e:3b:67:3c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:32:c8:d3:22:bb:7e
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
