OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-7c8aef-0): addr:02:13:ea:42:86:1b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-33d385-0): addr:8a:65:33:8f:48:bd
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-9dbd48-0): addr:d2:d7:77:4b:d6:6d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:42:73:63:b7:06:87
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
