OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-cbd495-0): addr:1a:8c:68:dd:ae:c7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:26:59:e1:04:44:56
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
