OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-1501fa-0): addr:56:5e:59:f9:9c:74
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:06:23:0d:ef:f2:50
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
