OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-aee973-0): addr:9e:98:8b:f9:b3:87
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:9e:51:0d:77:42:7f
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
