OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-f2dffe-0): addr:96:90:24:68:6f:dc
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:72:74:ba:21:aa:3e
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
