OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-bf1c36-0): addr:f2:f7:b4:1e:54:6d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ca:fd:d3:5c:9f:23
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
