OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-b2fe70-0): addr:02:11:ab:ae:c4:bf
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-0dba51-0): addr:c6:c3:18:fe:17:4e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:52:ce:e6:47:86:a9
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
