OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-5618e7-0): addr:62:85:65:c7:25:4e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-9ddf46-0): addr:3e:72:32:eb:46:b0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-41c638-0): addr:32:97:40:4a:03:d7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:c6:41:95:cf:10:f0
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
