OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-3eb3dc-0): addr:82:ad:d7:84:30:53
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-69e6c0-0): addr:12:d0:b5:cb:ab:f1
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:aa:a0:ff:8d:9e:77
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
