OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-d1f4f2-0): addr:46:03:4d:8a:d4:1c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:e2:1b:12:27:16:33
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
