OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-1c0ed6-0): addr:92:20:c8:c7:dd:6e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:62:9f:f4:dd:cd:95
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
