OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-3b3b3f-0): addr:fa:f8:1a:67:f8:3b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-2b30e8-0): addr:ea:7c:e3:1a:f5:cc
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:12:c7:64:40:71:81
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
