OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-551ec6-0): addr:86:76:8b:5c:ea:7a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:52:10:12:f7:3f:71
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
