OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-b428ba-0): addr:1a:20:f6:82:22:6f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:2a:b8:5f:63:84:92
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
