OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-7c00a8-0): addr:aa:3a:39:d2:ff:63
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:f2:92:bd:ad:63:7d
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
