OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-e6dbd9-0): addr:16:14:18:da:1a:93
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ce:7e:5f:54:ef:c2
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
