OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-b71dd8-0): addr:0e:29:14:44:56:fb
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:e2:f9:66:24:cc:2d
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
