OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-a997e1-0): addr:8a:2a:94:20:2a:75
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:8a:66:63:07:71:39
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
