OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-eb1249-0): addr:9a:30:e3:b1:60:37
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:e2:96:d0:cb:87:96
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
