OFPST_PORT_DESC reply (xid=0x2):
 3(ovn-696ea4-0): addr:76:de:4f:c7:b4:46
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:16:b0:83:93:16:58
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
