OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-c0ab19-0): addr:7e:14:14:82:72:72
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-0ca247-0): addr:de:a2:62:4d:02:a6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-a71906-0): addr:26:d3:43:5f:15:37
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:06:c5:08:69:b3:a7
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
