OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-039839-0): addr:66:40:b6:91:fa:1b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ee:b8:b1:b2:38:7d
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
