OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-db12df-0): addr:6a:4b:ae:b8:eb:42
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:36:b4:6e:67:a3:94
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
