OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-98a9aa-0): addr:32:23:cd:82:e4:1c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ea:77:b9:c3:2b:08
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
