OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-8250a0-0): addr:56:34:99:48:dc:c8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:0e:f0:0e:11:eb:e6
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
