OFPST_PORT_DESC reply (xid=0x2):
 2(ovn-22b105-0): addr:e2:fa:6e:4e:59:fd
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:62:99:1a:3e:9b:50
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
