OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-e1f64b-0): addr:9e:17:b6:84:5f:03
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:8a:32:3c:aa:7e:b3
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
