OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-22e72f-0): addr:12:af:63:65:12:0d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ae:11:60:3d:84:0e
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
