OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-2ff743-0): addr:fe:f5:f3:ed:3b:97
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:e6:44:13:ff:20:0b
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
