OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-293002-0): addr:4e:ca:d5:66:80:d5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:de:0f:63:2a:73:88
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
