OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-770947-0): addr:9a:0d:28:16:b7:8c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:aa:6a:25:84:73:dc
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
