OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-de5c2e-0): addr:12:4d:9d:1d:ce:d6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-88a627-0): addr:22:8b:c6:c3:13:8c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:2a:30:fe:10:d4:11
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
