OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-6a7e0d-0): addr:52:8d:58:2a:ea:e5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:be:f4:90:5e:7e:e3
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
