OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-f59cdb-0): addr:f6:ba:d6:90:11:1f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-a84029-0): addr:ba:b6:11:8d:1a:a0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-5c3074-0): addr:76:e3:d9:20:8d:88
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ce:09:fc:66:8d:df
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
