OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-f0941a-0): addr:8e:97:ba:fd:6a:25
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ee:66:15:61:08:81
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
