OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-5db10b-0): addr:02:e3:e2:39:e1:e9
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-e15f0a-0): addr:06:97:22:41:45:c2
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:8a:92:37:ad:5b:1a
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
