OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-09bf9f-0): addr:26:f2:55:f8:cf:14
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-4cd03f-0): addr:8a:31:a6:dc:e1:e4
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-0ce377-0): addr:82:53:75:33:63:df
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:3a:bf:de:aa:66:f5
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
