OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-c85299-0): addr:56:f7:67:e5:90:68
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-11aa47-0): addr:d6:ec:33:97:c2:69
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-62c03c-0): addr:b6:65:74:96:54:d2
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(ovn-6e9f75-0): addr:82:e9:76:79:e2:ef
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(ovn-c3237d-0): addr:ae:48:ff:e7:bb:74
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-br-int-to): addr:ba:03:11:ec:a9:94
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:16:00:c9:dd:d1:20
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
