OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-931e5e-0): addr:26:55:a6:8f:47:43
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:f6:b7:0e:27:ce:ee
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
