OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-91dc88-0): addr:1e:8d:f1:d9:95:5f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:fa:35:d9:54:c8:f5
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
