OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-95855e-0): addr:1a:f4:f7:42:01:8e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:46:af:95:be:f8:35
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
