OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-c6e937-0): addr:16:ae:f5:2a:2d:10
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:5e:6a:1d:65:97:40
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
