OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-d98a9d-0): addr:86:e2:62:d6:7f:94
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:7a:e2:f5:6d:66:be
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
