OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-b02ead-0): addr:3e:c2:54:89:15:1c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ae:8a:e3:df:55:a3
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
