OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-88b4ea-0): addr:52:5f:09:ec:c3:e8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:9a:f4:82:dd:10:17
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
