OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-98116d-0): addr:76:35:16:ff:ea:dc
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-aca85a-0): addr:5a:e1:59:07:a2:00
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:36:7b:29:7f:10:d1
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
