OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-5833ba-0): addr:f2:bf:0e:02:4a:34
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-6c0f95-0): addr:42:96:df:39:c8:ea
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:92:42:cd:09:bf:59
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
