OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-fc69d3-0): addr:26:54:75:4d:7d:7c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-c24bec-0): addr:82:d3:e6:60:ab:57
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-1479fb-0): addr:b6:02:a5:13:cc:92
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:2a:8f:3c:b7:86:54
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
