OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-3f87bd-0): addr:56:78:82:a4:d2:7f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-b286dc-0): addr:f2:45:fa:b0:b3:23
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-5e86ca-0): addr:62:24:bb:bb:9b:34
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:92:4d:97:83:e3:48
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
