OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-1bcffa-0): addr:36:14:3e:c1:e8:28
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:86:6d:58:f6:32:de
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
