OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-fccad4-0): addr:0e:c8:1f:53:00:dd
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ee:a0:8e:12:05:37
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
