OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-9f1561-0): addr:f2:26:94:62:75:ef
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:46:61:cc:ce:d7:e6
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
