OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-94fd96-0): addr:c6:18:3b:4f:54:74
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:a6:ba:56:0b:47:80
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
