OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-23d60b-0): addr:d2:fd:7e:44:72:b6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:c2:3e:fd:0b:f1:12
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
