OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-a2c47a-0): addr:6a:f0:0d:40:68:62
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:8a:52:77:2f:7b:33
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
